power: Spring cleanup

* Cleanup SoC specific files:
 - Fix code spacing and indentation
 - Remove dead code
 - Remove useless comments
 - Remove useless logs
 - Make code uniform between the files so it's easier to diff
 - Use declared enums when possible for power hints

Change-Id: Ie1378c94c53b33299927c5eb1bfc19f1a42b8743
diff --git a/power-660.c b/power-660.c
index d6a3003..f9d41d8 100644
--- a/power-660.c
+++ b/power-660.c
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2017, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2018 The LineageOS Project
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -52,8 +53,6 @@
 
 static int video_encode_hint_sent;
 
-static void process_video_encode_hint(void *metadata);
-
 /**
  * If target is SDM630:
  *     return true
@@ -72,94 +71,6 @@
     return is_SDM630;
 }
 
-int  power_hint_override(power_hint_t hint, void *data)
-{
-
-    switch(hint) {
-        case POWER_HINT_VSYNC:
-            break;
-        case POWER_HINT_VIDEO_ENCODE:
-        {
-            process_video_encode_hint(data);
-            return HINT_HANDLED;
-        }
-        default:
-            break;
-    }
-    return HINT_NONE;
-}
-
-int  set_interactive_override(int on)
-{
-    char governor[80];
-    int resource_values[20];
-    int num_resources;
-
-    ALOGI("Got set_interactive hint");
-
-    if (get_scaling_governor_check_cores(governor, sizeof(governor),CPU0) == -1) {
-        if (get_scaling_governor_check_cores(governor, sizeof(governor),CPU1) == -1) {
-            if (get_scaling_governor_check_cores(governor, sizeof(governor),CPU2) == -1) {
-                if (get_scaling_governor_check_cores(governor, sizeof(governor),CPU3) == -1) {
-                    ALOGE("Can't obtain scaling governor.");
-                    return HINT_HANDLED;
-                }
-            }
-        }
-    }
-
-    if (!on) {
-        /* Display off. */
-        if (is_interactive_governor(governor)) {
-             /*
-                 1. CPUfreq params
-                        - hispeed freq for big - 1113Mhz
-                        - go hispeed load for big - 95
-                        - above_hispeed_delay for big - 40ms
-                2. BusDCVS V2 params
-                        - Sample_ms of 10ms
-            */
-            if(is_target_SDM630()){
-                int res[] = { 0x41414000, 0x459,
-                              0x41410000, 0x5F,
-                              0x41400000, 0x4,
-                              0x41820000, 0xA };
-                memcpy(resource_values, res, MIN_VAL(sizeof(resource_values), sizeof(res)));
-                num_resources = ARRAY_SIZE(res);
-            }
-             /*
-                 1. CPUfreq params
-                        - hispeed freq for little - 902Mhz
-                        - go hispeed load for little - 95
-                        - above_hispeed_delay for little - 40ms
-                 2. BusDCVS V2 params
-                        - Sample_ms of 10ms
-                 3. Sched group upmigrate - 500
-            */
-            else{
-                int res[] =  { 0x41414100, 0x386,
-                               0x41410100, 0x5F,
-                               0x41400100, 0x4,
-                               0x41820000, 0xA,
-                               0x40C54000, 0x1F4};
-                memcpy(resource_values, res, MIN_VAL(sizeof(resource_values), sizeof(res)));
-                num_resources = ARRAY_SIZE(res);
-
-            }
-            perform_hint_action(DISPLAY_STATE_HINT_ID,
-                    resource_values, num_resources);
-        }
-    } else {
-        /* Display on. */
-        if (is_interactive_governor(governor)) {
-             undo_hint_action(DISPLAY_STATE_HINT_ID);
-        }
-    }
-    return HINT_HANDLED;
-}
-
-
-/* Video Encode Hint */
 static void process_video_encode_hint(void *metadata)
 {
     char governor[80];
@@ -167,21 +78,19 @@
     int num_resources;
     struct video_encode_metadata_t video_encode_metadata;
 
-    ALOGI("Got process_video_encode_hint");
-
-    if (get_scaling_governor_check_cores(governor,
-        sizeof(governor),CPU0) == -1) {
-            if (get_scaling_governor_check_cores(governor,
-                sizeof(governor),CPU1) == -1) {
-                    if (get_scaling_governor_check_cores(governor,
-                        sizeof(governor),CPU2) == -1) {
-                            if (get_scaling_governor_check_cores(governor,
-                                sizeof(governor),CPU3) == -1) {
-                                    ALOGE("Can't obtain scaling governor.");
-                                    // return HINT_HANDLED;
-                            }
-                    }
+    if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU0) == -1) {
+        if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU1) == -1) {
+            if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU2) == -1) {
+                if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU3) == -1) {
+                    ALOGE("Can't obtain scaling governor.");
+                    return;
+                }
             }
+        }
+    }
+
+    if (!metadata) {
+        return;
     }
 
     /* Initialize encode metadata struct fields. */
@@ -189,52 +98,50 @@
     video_encode_metadata.state = -1;
     video_encode_metadata.hint_id = DEFAULT_VIDEO_ENCODE_HINT_ID;
 
-    if (metadata) {
-        if (parse_video_encode_metadata((char *)metadata,
+    if (parse_video_encode_metadata((char *)metadata,
             &video_encode_metadata) == -1) {
-            ALOGE("Error occurred while parsing metadata.");
-            return;
-        }
-    } else {
+        ALOGE("Error occurred while parsing metadata.");
         return;
     }
 
     if (video_encode_metadata.state == 1) {
         if (is_interactive_governor(governor)) {
-             /*
-                 1. CPUfreq params
-                        - hispeed freq for big - 1113Mhz
-                        - go hispeed load for big - 95
-                        - above_hispeed_delay for big - 40ms
-                        - target loads - 95
-                        - nr_run - 5
-                 2. BusDCVS V2 params
-                        - Sample_ms of 10ms
-            */
-            if(is_target_SDM630()){
-                int res[] = { 0x41414000, 0x459,
-                              0x41410000, 0x5F,
-                              0x41400000, 0x4,
-                              0x41420000, 0x5F,
-                              0x40C2C000, 0X5,
-                              0x41820000, 0xA};
+            if (is_target_SDM630()) {
+                /*
+                   1. CPUfreq params
+                      - hispeed freq for big - 1113Mhz
+                      - go hispeed load for big - 95
+                      - above_hispeed_delay for big - 40ms
+                      - target loads - 95
+                      - nr_run - 5
+                   2. BusDCVS V2 params
+                      - Sample_ms of 10ms
+                 */
+                int res[] = {
+                    HISPEED_FREQ_BIG, 0x459,
+                    GO_HISPEED_LOAD_BIG, 0x5F,
+                    ABOVE_HISPEED_DELAY_BIG, 0x4,
+                    TARGET_LOADS_BIG, 0x5F,
+                    SCHED_IDLE_NR_RUN, 0X5,
+                    CPUBW_HWMON_SAMPLE_MS, 0xA
+                };
                 memcpy(resource_values, res, MIN_VAL(sizeof(resource_values), sizeof(res)));
                 num_resources = ARRAY_SIZE(res);
-
-            }
-            /*
-                 1. CPUfreq params
-                        - hispeed freq for little - 902Mhz
-                        - go hispeed load for little - 95
-                        - above_hispeed_delay for little - 40ms
-                 2. BusDCVS V2 params
-                        - Sample_ms of 10ms
-            */
-            else{
-                int res[] = { 0x41414100, 0x386,
-                              0x41410100, 0x5F,
-                              0x41400100, 0x4,
-                              0x41820000, 0xA};
+            } else {
+                /*
+                   1. CPUfreq params
+                      - hispeed freq for little - 902Mhz
+                      - go hispeed load for little - 95
+                      - above_hispeed_delay for little - 40ms
+                   2. BusDCVS V2 params
+                      - Sample_ms of 10ms
+                 */
+                int res[] = {
+                    HISPEED_FREQ_LITTLE, 0x386,
+                    GO_HISPEED_LOAD_LITTLE, 0x5F,
+                    ABOVE_HISPEED_DELAY_LITTLE, 0x4,
+                    CPUBW_HWMON_SAMPLE_MS, 0xA
+                };
                 memcpy(resource_values, res, MIN_VAL(sizeof(resource_values), sizeof(res)));
                 num_resources = ARRAY_SIZE(res);
             }
@@ -250,5 +157,88 @@
             video_encode_hint_sent = 0;
         }
     }
-    return;
+}
+
+int power_hint_override(power_hint_t hint, void *data)
+{
+    switch (hint) {
+        case POWER_HINT_VSYNC:
+            break;
+        case POWER_HINT_VIDEO_ENCODE:
+            process_video_encode_hint(data);
+            return HINT_HANDLED;
+        default:
+            break;
+    }
+    return HINT_NONE;
+}
+
+int set_interactive_override(int on)
+{
+    char governor[80];
+    int resource_values[20];
+    int num_resources;
+
+    if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU0) == -1) {
+        if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU1) == -1) {
+            if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU2) == -1) {
+                if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU3) == -1) {
+                    ALOGE("Can't obtain scaling governor.");
+                    return HINT_NONE;
+                }
+            }
+        }
+    }
+
+    if (!on) {
+        /* Display off. */
+        if (is_interactive_governor(governor)) {
+            if (is_target_SDM630()) {
+                /*
+                   1. CPUfreq params
+                      - hispeed freq for big - 1113Mhz
+                      - go hispeed load for big - 95
+                      - above_hispeed_delay for big - 40ms
+                   2. BusDCVS V2 params
+                      - Sample_ms of 10ms
+                 */
+                int res[] = {
+                    HISPEED_FREQ_BIG, 0x459,
+                    GO_HISPEED_LOAD_BIG, 0x5F,
+                    ABOVE_HISPEED_DELAY_BIG, 0x4,
+                    CPUBW_HWMON_SAMPLE_MS, 0xA
+                };
+                memcpy(resource_values, res, MIN_VAL(sizeof(resource_values), sizeof(res)));
+                num_resources = ARRAY_SIZE(res);
+            } else {
+                /*
+                   1. CPUfreq params
+                      - hispeed freq for little - 902Mhz
+                      - go hispeed load for little - 95
+                      - above_hispeed_delay for little - 40ms
+                   2. BusDCVS V2 params
+                      - Sample_ms of 10ms
+                   3. Sched group upmigrate - 500
+                 */
+                int res[] =  {
+                    HISPEED_FREQ_LITTLE, 0x386,
+                    GO_HISPEED_LOAD_LITTLE, 0x5F,
+                    ABOVE_HISPEED_DELAY_LITTLE, 0x4,
+                    CPUBW_HWMON_SAMPLE_MS, 0xA,
+                    SCHED_GROUP_UP_MIGRATE, 0x1F4
+                };
+                memcpy(resource_values, res, MIN_VAL(sizeof(resource_values), sizeof(res)));
+                num_resources = ARRAY_SIZE(res);
+
+            }
+            perform_hint_action(DISPLAY_STATE_HINT_ID,
+                    resource_values, num_resources);
+        }
+    } else {
+        /* Display on. */
+        if (is_interactive_governor(governor)) {
+            undo_hint_action(DISPLAY_STATE_HINT_ID);
+        }
+    }
+    return HINT_HANDLED;
 }
diff --git a/power-8084.c b/power-8084.c
index 0555981..2065e66 100644
--- a/power-8084.c
+++ b/power-8084.c
@@ -27,6 +27,7 @@
  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+
 #define LOG_NIDEBUG 0
 
 #include <errno.h>
@@ -86,13 +87,14 @@
 };
 
 #ifdef INTERACTION_BOOST
-int get_number_of_profiles() {
+int get_number_of_profiles()
+{
     return 5;
 }
 #endif
 
-static void set_power_profile(int profile) {
-
+static void set_power_profile(int profile)
+{
     if (profile == current_power_profile)
         return;
 
@@ -122,7 +124,6 @@
         perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_bias_performance,
                 ARRAY_SIZE(profile_bias_performance));
         ALOGD("%s: Set bias perf mode", __func__);
-
     }
 
     current_power_profile = profile;
@@ -173,7 +174,6 @@
 
     switch (hint) {
         case POWER_HINT_INTERACTION:
-        {
             duration = 500; // 500ms by default
             if (data) {
                 int input_duration = *((int*)data);
@@ -200,15 +200,11 @@
                         resources_interaction_boost);
             }
             return HINT_HANDLED;
-        }
         case POWER_HINT_LAUNCH:
-        {
             duration = 2000;
-
             interaction(duration, ARRAY_SIZE(resources_launch),
                     resources_launch);
             return HINT_HANDLED;
-        }
         default:
             break;
     }
@@ -221,7 +217,6 @@
 
     if (get_scaling_governor(governor, sizeof(governor)) == -1) {
         ALOGE("Can't obtain scaling governor.");
-
         return HINT_NONE;
     }
 
@@ -239,25 +234,23 @@
         undo_hint_action(DISPLAY_STATE_HINT_ID_2);
 
         if (is_ondemand_governor(governor)) {
-            int resource_values[] = {MS_500, SYNC_FREQ_600, OPTIMAL_FREQ_600, THREAD_MIGRATION_SYNC_OFF};
-
+            int resource_values[] = {
+                MS_500, SYNC_FREQ_600, OPTIMAL_FREQ_600, THREAD_MIGRATION_SYNC_OFF
+            };
             perform_hint_action(DISPLAY_STATE_HINT_ID,
                     resource_values, ARRAY_SIZE(resource_values));
-
-            return HINT_HANDLED;
         }
     } else {
         /* Display on */
-        int resource_values2[] = { CPUS_ONLINE_MIN_2 };
+        int resource_values2[] = {
+            CPUS_ONLINE_MIN_2
+        };
         perform_hint_action(DISPLAY_STATE_HINT_ID_2,
                 resource_values2, ARRAY_SIZE(resource_values2));
 
         if (is_ondemand_governor(governor)) {
             undo_hint_action(DISPLAY_STATE_HINT_ID);
-
-            return HINT_HANDLED;
         }
     }
-
-    return HINT_NONE;
+    return HINT_HANDLED;
 }
diff --git a/power-8226.c b/power-8226.c
index 1d8850d..5339fe5 100644
--- a/power-8226.c
+++ b/power-8226.c
@@ -27,6 +27,7 @@
  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+
 #define LOG_NIDEBUG 0
 
 #include <errno.h>
@@ -67,13 +68,14 @@
 };
 
 #ifdef INTERACTION_BOOST
-int get_number_of_profiles() {
+int get_number_of_profiles()
+{
     return 3;
 }
 #endif
 
-static void set_power_profile(int profile) {
-
+static void set_power_profile(int profile)
+{
     if (profile == current_power_profile)
         return;
 
@@ -93,7 +95,6 @@
         perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_high_performance,
                 ARRAY_SIZE(profile_high_performance));
         ALOGD("%s: Set performance mode", __func__);
-
     }
 
     current_power_profile = profile;
@@ -126,7 +127,6 @@
 
     switch (hint) {
         case POWER_HINT_INTERACTION:
-        {
             duration = 500; // 500ms by default
             if (data) {
                 int input_duration = *((int*)data);
@@ -148,7 +148,6 @@
             interaction(duration, ARRAY_SIZE(resources_interaction_boost),
                     resources_interaction_boost);
             return HINT_HANDLED;
-        }
         default:
             break;
     }
diff --git a/power-845.c b/power-845.c
index 1bc290f..0307ca9 100644
--- a/power-845.c
+++ b/power-845.c
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2017, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2018 The LineageOS Project
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -27,7 +28,7 @@
  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-
+#define LOG_NIDEBUG 0
 
 #include <errno.h>
 #include <string.h>
@@ -48,21 +49,22 @@
 #include "performance.h"
 #include "power-common.h"
 
-static int display_fd;
 #define SYS_DISPLAY_PWR "/sys/kernel/hbtp/display_pwr"
 
+static int display_fd;
+
 int power_hint_override(power_hint_t hint, void *UNUSED(data))
 {
     int ret_val = HINT_NONE;
-    switch(hint) {
+    switch (hint) {
         case POWER_HINT_INTERACTION:
-        {
-            int resources[] = {0x40800100, 0x553};
+            int resources[] = {
+                MIN_FREQ_LITTLE_CORE_0, 0x553
+            };
             int duration = 100;
             interaction(duration, ARRAY_SIZE(resources), resources);
             ret_val = HINT_HANDLED;
-        }
-        break;
+            break;
         default:
             break;
     }
@@ -75,40 +77,33 @@
     static const char *display_off = "0";
     char err_buf[80];
     static int init_interactive_hint = 0;
-    static int set_i_count = 0;
     int rc = 0;
 
-    set_i_count ++;
-    ALOGI("Got set_interactive hint on= %d, count= %d\n", on, set_i_count);
-
-    if (init_interactive_hint == 0)
-    {
-        //First time the display is turned off
+    if (init_interactive_hint == 0) {
+        // First time the display is turned off
         display_fd = TEMP_FAILURE_RETRY(open(SYS_DISPLAY_PWR, O_RDWR));
         if (display_fd < 0) {
-            strerror_r(errno,err_buf,sizeof(err_buf));
+            strerror_r(errno, err_buf, sizeof(err_buf));
             ALOGE("Error opening %s: %s\n", SYS_DISPLAY_PWR, err_buf);
-        }
-        else
+        } else {
             init_interactive_hint = 1;
-    }
-    else
-        if (!on ) {
+        }
+    } else {
+        if (!on) {
             /* Display off. */
             rc = TEMP_FAILURE_RETRY(write(display_fd, display_off, strlen(display_off)));
             if (rc < 0) {
-                strerror_r(errno,err_buf,sizeof(err_buf));
+                strerror_r(errno, err_buf, sizeof(err_buf));
                 ALOGE("Error writing %s to  %s: %s\n", display_off, SYS_DISPLAY_PWR, err_buf);
             }
-        }
-        else {
+        } else {
             /* Display on */
             rc = TEMP_FAILURE_RETRY(write(display_fd, display_on, strlen(display_on)));
             if (rc < 0) {
-                strerror_r(errno,err_buf,sizeof(err_buf));
+                strerror_r(errno, err_buf, sizeof(err_buf));
                 ALOGE("Error writing %s to  %s: %s\n", display_on, SYS_DISPLAY_PWR, err_buf);
             }
         }
-
-    return HINT_HANDLED; /* Don't excecute this code path, not in use */
+    }
+    return HINT_HANDLED;
 }
diff --git a/power-8610.c b/power-8610.c
index b0313df..10f002b 100644
--- a/power-8610.c
+++ b/power-8610.c
@@ -63,13 +63,14 @@
 };
 
 #ifdef INTERACTION_BOOST
-int get_number_of_profiles() {
+int get_number_of_profiles()
+{
     return 3;
 }
 #endif
 
-static void set_power_profile(int profile) {
-
+static void set_power_profile(int profile)
+{
     if (profile == current_power_profile)
         return;
 
@@ -89,7 +90,6 @@
         perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_high_performance,
                 ARRAY_SIZE(profile_high_performance));
         ALOGD("%s: Set performance mode", __func__);
-
     }
 
     current_power_profile = profile;
@@ -122,7 +122,6 @@
 
     switch (hint) {
         case POWER_HINT_INTERACTION:
-        {
             duration = 500; // 500ms by default
             if (data) {
                 int input_duration = *((int*)data);
@@ -144,7 +143,6 @@
             interaction(duration, ARRAY_SIZE(resources_interaction_boost),
                     resources_interaction_boost);
             return HINT_HANDLED;
-        }
         default:
             break;
     }
diff --git a/power-8909.c b/power-8909.c
index a5c4994..cf2056b 100644
--- a/power-8909.c
+++ b/power-8909.c
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2015, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2018 The LineageOS Project
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -26,6 +27,7 @@
  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+
 #define LOG_NIDEBUG 0
 
 #include <errno.h>
@@ -47,7 +49,6 @@
 #include "performance.h"
 #include "power-common.h"
 
-
 static void process_video_encode_hint(void *metadata)
 {
     char governor[80];
@@ -55,7 +56,10 @@
 
     if (get_scaling_governor(governor, sizeof(governor)) == -1) {
         ALOGE("Can't obtain scaling governor.");
+        return;
+    }
 
+    if (!metadata) {
         return;
     }
 
@@ -64,41 +68,35 @@
     video_encode_metadata.state = -1;
     video_encode_metadata.hint_id = DEFAULT_VIDEO_ENCODE_HINT_ID;
 
-    if (metadata) {
-        if (parse_video_encode_metadata((char *)metadata, &video_encode_metadata) ==
-            -1) {
-            ALOGE("Error occurred while parsing metadata.");
-            return;
-        }
-    } else {
+    if (parse_video_encode_metadata((char *)metadata,
+            &video_encode_metadata) == -1) {
+        ALOGE("Error occurred while parsing metadata.");
         return;
     }
 
     if (video_encode_metadata.state == 1) {
         if (is_interactive_governor(governor)) {
-            int resource_values[] = {HS_FREQ_800, THREAD_MIGRATION_SYNC_OFF};
+            int resource_values[] = {
+                HS_FREQ_800, THREAD_MIGRATION_SYNC_OFF
+            };
             perform_hint_action(video_encode_metadata.hint_id,
                     resource_values, ARRAY_SIZE(resource_values));
         }
     } else if (video_encode_metadata.state == 0) {
         if (is_interactive_governor(governor)) {
-           undo_hint_action(video_encode_metadata.hint_id);
+            undo_hint_action(video_encode_metadata.hint_id);
         }
     }
 }
 
 int power_hint_override(power_hint_t hint, void *data)
 {
-    switch(hint) {
+    switch (hint) {
         case POWER_HINT_VIDEO_ENCODE:
-        {
-          process_video_encode_hint(data);
-          return HINT_HANDLED;
-        }
+            process_video_encode_hint(data);
+            return HINT_HANDLED;
         default:
-        {
             break;
-        }
     }
     return HINT_NONE;
 }
diff --git a/power-8916.c b/power-8916.c
index affb2a2..923cfd4 100644
--- a/power-8916.c
+++ b/power-8916.c
@@ -102,13 +102,14 @@
 };
 
 #ifdef INTERACTION_BOOST
-int get_number_of_profiles() {
+int get_number_of_profiles()
+{
     return 3;
 }
 #endif
 
-static void set_power_profile(int profile) {
-
+static void set_power_profile(int profile)
+{
     if (profile == current_power_profile)
         return;
 
@@ -128,6 +129,7 @@
                     ARRAY_SIZE(profile_power_save_8939));
         }
         ALOGD("%s: Set powersave mode", __func__);
+
     } else if (profile == PROFILE_HIGH_PERFORMANCE) {
         if (is_target_8916()) {
             perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_high_performance_8916,
@@ -137,7 +139,6 @@
                     ARRAY_SIZE(profile_power_save_8939));
         }
         ALOGD("%s: Set performance mode", __func__);
-
     }
 
     current_power_profile = profile;
@@ -188,7 +189,6 @@
 
     switch (hint) {
         case POWER_HINT_INTERACTION:
-        {
             duration = 500; // 500ms by default
             if (data) {
                 int input_duration = *((int*)data);
@@ -215,15 +215,11 @@
                         resources_interaction_boost);
             }
             return HINT_HANDLED;
-        }
         case POWER_HINT_LAUNCH:
-        {
             duration = 2000;
-
             interaction(duration, ARRAY_SIZE(resources_launch),
                     resources_launch);
             return HINT_HANDLED;
-        }
         case POWER_HINT_VIDEO_ENCODE: /* Do nothing for encode case */
             return HINT_HANDLED;
         case POWER_HINT_VIDEO_DECODE: /* Do nothing for decode case */
@@ -239,13 +235,12 @@
     char governor[80];
     char tmp_str[NODE_MAX];
 
-    ALOGI("Got set_interactive hint");
     if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU0) == -1) {
         if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU1) == -1) {
             if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU2) == -1) {
                 if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU3) == -1) {
                     ALOGE("Can't obtain scaling governor.");
-                    return HINT_HANDLED;
+                    return HINT_NONE;
                 }
             }
         }
@@ -255,14 +250,17 @@
         /* Display off. */
         if (is_target_8916()) {
             if (is_interactive_governor(governor)) {
-                int resource_values[] = {TR_MS_50, THREAD_MIGRATION_SYNC_OFF};
+                int resource_values[] = {
+                    TR_MS_50, THREAD_MIGRATION_SYNC_OFF
+                };
                 perform_hint_action(DISPLAY_STATE_HINT_ID,
                         resource_values, ARRAY_SIZE(resource_values));
-            } /* Perf time rate set for 8916 target */
-        /* End of display hint for 8916 */
+            }
         } else {
             if (is_interactive_governor(governor)) {
-                int resource_values[] = {TR_MS_CPU0_50,TR_MS_CPU4_50, THREAD_MIGRATION_SYNC_OFF};
+                int resource_values[] = {
+                    TR_MS_CPU0_50, TR_MS_CPU4_50, THREAD_MIGRATION_SYNC_OFF
+                };
 
                 /* Set CPU0 MIN FREQ to 400Mhz avoid extra peak power
                    impact in volume key press */
@@ -278,8 +276,8 @@
                 }
                 perform_hint_action(DISPLAY_STATE_HINT_ID,
                         resource_values, ARRAY_SIZE(resource_values));
-            } /* Perf time rate set for CORE0,CORE4 8939 target */
-        } /* End of display hint for 8939 */
+            }
+        }
     } else {
         /* Display on. */
         if (is_target_8916()) {
@@ -301,7 +299,7 @@
                 }
                 undo_hint_action(DISPLAY_STATE_HINT_ID);
             }
-        } /* End of check condition during the DISPLAY ON case */
+        }
     }
     return HINT_HANDLED;
 }
diff --git a/power-8952.c b/power-8952.c
index 41398cf..acac98d 100644
--- a/power-8952.c
+++ b/power-8952.c
@@ -124,8 +124,6 @@
     char governor[80];
     struct video_encode_metadata_t video_encode_metadata;
 
-    ALOGI("Got process_video_encode_hint");
-
     if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU0) == -1) {
         if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU1) == -1) {
             if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU2) == -1) {
@@ -147,14 +145,13 @@
     video_encode_metadata.hint_id = DEFAULT_VIDEO_ENCODE_HINT_ID;
 
     if (parse_video_encode_metadata((char *)metadata,
-                &video_encode_metadata) == -1) {
+            &video_encode_metadata) == -1) {
         ALOGE("Error occurred while parsing metadata.");
         return;
     }
 
     if (video_encode_metadata.state == 1) {
         if (is_interactive_governor(governor)) {
-            /* Sched_load and migration_notif */
             int resource_values[] = {
                 INT_OP_CLUSTER0_USE_SCHED_LOAD, 0x1,
                 INT_OP_CLUSTER1_USE_SCHED_LOAD, 0x1,
@@ -204,8 +201,6 @@
 {
     char governor[80];
 
-    ALOGI("Got set_interactive hint");
-
     if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU0) == -1) {
         if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU1) == -1) {
             if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU2) == -1) {
@@ -225,12 +220,9 @@
                 INT_OP_CLUSTER1_TIMER_RATE, BIG_LITTLE_TR_MS_50,
                 INT_OP_NOTIFY_ON_MIGRATE, 0x00
             };
-
-            perform_hint_action(
-                    DISPLAY_STATE_HINT_ID,
-                    resource_values,
-                    ARRAY_SIZE(resource_values));
-        } /* Perf time rate set for CORE0,CORE4 8952 target */
+            perform_hint_action(DISPLAY_STATE_HINT_ID,
+                    resource_values, ARRAY_SIZE(resource_values));
+        }
     } else {
         /* Display on. */
         if (is_interactive_governor(governor)) {
diff --git a/power-8953.c b/power-8953.c
index bf9b777..8031302 100644
--- a/power-8953.c
+++ b/power-8953.c
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2016, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2018 The LineageOS Project
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -50,82 +51,24 @@
 
 static int video_encode_hint_sent;
 
-static void process_video_encode_hint(void *metadata);
-
-int  power_hint_override(power_hint_t hint, void *data)
-{
-
-    switch(hint) {
-        case POWER_HINT_VSYNC:
-            break;
-        case POWER_HINT_VIDEO_ENCODE:
-        {
-            process_video_encode_hint(data);
-            return HINT_HANDLED;
-        }
-        default:
-            break;
-    }
-    return HINT_NONE;
-}
-
-int  set_interactive_override(int on)
-{
-    char governor[80];
-
-    ALOGI("Got set_interactive hint");
-
-    if (get_scaling_governor_check_cores(governor, sizeof(governor),CPU0) == -1) {
-        if (get_scaling_governor_check_cores(governor, sizeof(governor),CPU1) == -1) {
-            if (get_scaling_governor_check_cores(governor, sizeof(governor),CPU2) == -1) {
-                if (get_scaling_governor_check_cores(governor, sizeof(governor),CPU3) == -1) {
-                    ALOGE("Can't obtain scaling governor.");
-                    return HINT_HANDLED;
-                }
-            }
-        }
-    }
-
-    if (!on) {
-        /* Display off. */
-        if (is_interactive_governor(governor)) {
-            /* timer rate - 40mS*/
-            int resource_values[] = {0x41424000, 0x28,
-                                     };
-            perform_hint_action(DISPLAY_STATE_HINT_ID,
-                    resource_values, ARRAY_SIZE(resource_values));
-        } /* Perf time rate set for CORE0,CORE4 8952 target*/
-    } else {
-        /* Display on. */
-        if (is_interactive_governor(governor)) {
-             undo_hint_action(DISPLAY_STATE_HINT_ID);
-        }
-    }
-    return HINT_HANDLED;
-}
-
-
-/* Video Encode Hint */
 static void process_video_encode_hint(void *metadata)
 {
     char governor[80];
     struct video_encode_metadata_t video_encode_metadata;
 
-    ALOGI("Got process_video_encode_hint");
-
-    if (get_scaling_governor_check_cores(governor,
-        sizeof(governor),CPU0) == -1) {
-            if (get_scaling_governor_check_cores(governor,
-                sizeof(governor),CPU1) == -1) {
-                    if (get_scaling_governor_check_cores(governor,
-                        sizeof(governor),CPU2) == -1) {
-                            if (get_scaling_governor_check_cores(governor,
-                                sizeof(governor),CPU3) == -1) {
-                                    ALOGE("Can't obtain scaling governor.");
-                                    // return HINT_HANDLED;
-                            }
-                    }
+    if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU0) == -1) {
+        if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU1) == -1) {
+            if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU2) == -1) {
+                if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU3) == -1) {
+                    ALOGE("Can't obtain scaling governor.");
+                    return;
+                }
             }
+        }
+    }
+
+    if (!metadata) {
+        return;
     }
 
     /* Initialize encode metadata struct fields. */
@@ -133,24 +76,19 @@
     video_encode_metadata.state = -1;
     video_encode_metadata.hint_id = DEFAULT_VIDEO_ENCODE_HINT_ID;
 
-    if (metadata) {
-        if (parse_video_encode_metadata((char *)metadata,
+    if (parse_video_encode_metadata((char *)metadata,
             &video_encode_metadata) == -1) {
-            ALOGE("Error occurred while parsing metadata.");
-            return;
-        }
-    } else {
+        ALOGE("Error occurred while parsing metadata.");
         return;
     }
 
     if (video_encode_metadata.state == 1) {
         if (is_interactive_governor(governor)) {
-            /* Sched_load and migration_notification disable
-             * timer rate - 40mS*/
-            int resource_values[] = {0x41430000, 0x1,
-                                     0x41434000, 0x1,
-                                     0x41424000, 0x28,
-                                     };
+            int resource_values[] = {
+                INT_OP_CLUSTER0_USE_SCHED_LOAD, 0x1,
+                INT_OP_CLUSTER0_USE_MIGRATION_NOTIF, 0x1,
+                INT_OP_CLUSTER0_TIMER_RATE, BIG_LITTLE_TR_MS_40,
+            };
             if (!video_encode_hint_sent) {
                 perform_hint_action(video_encode_metadata.hint_id,
                         resource_values, ARRAY_SIZE(resource_values));
@@ -163,5 +101,51 @@
             video_encode_hint_sent = 0;
         }
     }
-    return;
+}
+
+int power_hint_override(power_hint_t hint, void *data)
+{
+    switch (hint) {
+        case POWER_HINT_VSYNC:
+            break;
+        case POWER_HINT_VIDEO_ENCODE:
+            process_video_encode_hint(data);
+            return HINT_HANDLED;
+        default:
+            break;
+    }
+    return HINT_NONE;
+}
+
+int set_interactive_override(int on)
+{
+    char governor[80];
+
+    if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU0) == -1) {
+        if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU1) == -1) {
+            if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU2) == -1) {
+                if (get_scaling_governor_check_cores(governor, sizeof(governor), CPU3) == -1) {
+                    ALOGE("Can't obtain scaling governor.");
+                    return HINT_NONE;
+                }
+            }
+        }
+    }
+
+    if (!on) {
+        /* Display off. */
+        if (is_interactive_governor(governor)) {
+            int resource_values[] = {
+                INT_OP_CLUSTER0_TIMER_RATE, BIG_LITTLE_TR_MS_40
+            };
+            perform_hint_action(DISPLAY_STATE_HINT_ID,
+                    resource_values, ARRAY_SIZE(resource_values));
+        }
+    } else {
+        /* Display on. */
+        if (is_interactive_governor(governor)) {
+            undo_hint_action(DISPLAY_STATE_HINT_ID);
+        }
+    }
+    return HINT_HANDLED;
 }
diff --git a/power-8974.c b/power-8974.c
index 212f3ec..f5b2970 100644
--- a/power-8974.c
+++ b/power-8974.c
@@ -27,6 +27,7 @@
  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+
 #define LOG_NIDEBUG 0
 
 #include <errno.h>
@@ -104,13 +105,14 @@
 };
 
 #ifdef INTERACTION_BOOST
-int get_number_of_profiles() {
+int get_number_of_profiles()
+{
     return 5;
 }
 #endif
 
-static void set_power_profile(int profile) {
-
+static void set_power_profile(int profile)
+{
     if (profile == current_power_profile)
         return;
 
@@ -140,7 +142,6 @@
         perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_bias_performance,
                 ARRAY_SIZE(profile_bias_performance));
         ALOGD("%s: Set bias perf mode", __func__);
-
     }
 
     current_power_profile = profile;
@@ -191,7 +192,6 @@
 
     switch (hint) {
         case POWER_HINT_INTERACTION:
-        {
             duration = 500; // 500ms by default
             if (data) {
                 int input_duration = *((int*)data);
@@ -218,15 +218,11 @@
                         resources_interaction_boost);
             }
             return HINT_HANDLED;
-        }
         case POWER_HINT_LAUNCH:
-        {
             duration = 2000;
-
             interaction(duration, ARRAY_SIZE(resources_launch),
                     resources_launch);
             return HINT_HANDLED;
-        }
         default:
             break;
     }
@@ -239,7 +235,6 @@
 
     if (get_scaling_governor(governor, sizeof(governor)) == -1) {
         ALOGE("Can't obtain scaling governor.");
-
         return HINT_NONE;
     }
 
@@ -259,27 +254,25 @@
         }
 
         if (is_ondemand_governor(governor)) {
-            int resource_values[] = {MS_500, SYNC_FREQ_600, OPTIMAL_FREQ_600, THREAD_MIGRATION_SYNC_OFF};
-
+            int resource_values[] = {
+                MS_500, SYNC_FREQ_600, OPTIMAL_FREQ_600, THREAD_MIGRATION_SYNC_OFF
+            };
             perform_hint_action(DISPLAY_STATE_HINT_ID,
                     resource_values, ARRAY_SIZE(resource_values));
-
-            return HINT_HANDLED;
         }
     } else {
         /* Display on */
         if (is_target_8974pro()) {
-            int resource_values2[] = {CPUS_ONLINE_MIN_2};
+            int resource_values2[] = {
+                CPUS_ONLINE_MIN_2
+            };
             perform_hint_action(DISPLAY_STATE_HINT_ID_2,
                     resource_values2, ARRAY_SIZE(resource_values2));
         }
 
         if (is_ondemand_governor(governor)) {
             undo_hint_action(DISPLAY_STATE_HINT_ID);
-
-            return HINT_HANDLED;
         }
     }
-
-    return HINT_NONE;
+    return HINT_HANDLED;
 }
diff --git a/power-8992.c b/power-8992.c
index 0f02cd6..274adb1 100644
--- a/power-8992.c
+++ b/power-8992.c
@@ -27,6 +27,7 @@
  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+
 #define LOG_NIDEBUG 0
 
 #include <errno.h>
@@ -88,13 +89,14 @@
 };
 
 #ifdef INTERACTION_BOOST
-int get_number_of_profiles() {
+int get_number_of_profiles()
+{
     return 5;
 }
 #endif
 
-static void set_power_profile(int profile) {
-
+static void set_power_profile(int profile)
+{
     if (profile == current_power_profile)
         return;
 
@@ -124,36 +126,34 @@
         perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_bias_performance,
                 ARRAY_SIZE(profile_bias_performance));
         ALOGD("%s: Set bias perf mode", __func__);
-
     }
 
     current_power_profile = profile;
 }
 
-static int process_video_encode_hint(void *metadata)
+static void process_video_encode_hint(void *metadata)
 {
     char governor[80];
     struct video_encode_metadata_t video_encode_metadata;
 
     if (get_scaling_governor(governor, sizeof(governor)) == -1) {
         ALOGE("Can't obtain scaling governor.");
-
-        return HINT_NONE;
+        return;
     }
 
-    /* Initialize encode metadata struct fields */
+    if (!metadata) {
+        return;
+    }
+
+    /* Initialize encode metadata struct fields. */
     memset(&video_encode_metadata, 0, sizeof(struct video_encode_metadata_t));
     video_encode_metadata.state = -1;
     video_encode_metadata.hint_id = DEFAULT_VIDEO_ENCODE_HINT_ID;
 
-    if (metadata) {
-        if (parse_video_encode_metadata((char *)metadata, &video_encode_metadata) ==
-            -1) {
-            ALOGE("Error occurred while parsing metadata.");
-            return HINT_NONE;
-        }
-    } else {
-        return HINT_NONE;
+    if (parse_video_encode_metadata((char *)metadata,
+            &video_encode_metadata) == -1) {
+        ALOGE("Error occurred while parsing metadata.");
+        return;
     }
 
     if (video_encode_metadata.state == 1) {
@@ -164,19 +164,17 @@
              * above_hispeed_delay - 40ms
              * sched_small_tsk - 50
              */
-            int resource_values[] = {0x2C07, 0x2F5A, 0x2704, 0x4032};
-
+            int resource_values[] = {
+                0x2C07, 0x2F5A, 0x2704, 0x4032
+            };
             perform_hint_action(video_encode_metadata.hint_id,
                     resource_values, ARRAY_SIZE(resource_values));
-            return HINT_HANDLED;
         }
     } else if (video_encode_metadata.state == 0) {
         if (is_interactive_governor(governor)) {
             undo_hint_action(video_encode_metadata.hint_id);
-            return HINT_HANDLED;
         }
     }
-    return HINT_NONE;
 }
 
 static int resources_interaction_fling_boost[] = {
@@ -216,7 +214,6 @@
 
     switch (hint) {
         case POWER_HINT_INTERACTION:
-        {
             duration = 500; // 500ms by default
             if (data) {
                 int input_duration = *((int*)data);
@@ -243,17 +240,14 @@
                         resources_interaction_boost);
             }
             return HINT_HANDLED;
-        }
         case POWER_HINT_LAUNCH:
-        {
             duration = 2000;
-
             interaction(duration, ARRAY_SIZE(resources_launch),
                     resources_launch);
             return HINT_HANDLED;
-        }
         case POWER_HINT_VIDEO_ENCODE:
-            return process_video_encode_hint(data);
+            process_video_encode_hint(data);
+            return HINT_HANDLED;
         default:
             break;
     }
@@ -266,7 +260,6 @@
 
     if (get_scaling_governor(governor, sizeof(governor)) == -1) {
         ALOGE("Can't obtain scaling governor.");
-
         return HINT_NONE;
     }
 
@@ -275,17 +268,17 @@
         if (is_interactive_governor(governor)) {
             // sched upmigrate = 99, sched downmigrate = 95
             // keep the big cores around, but make them very hard to use
-            int resource_values[] = { 0x4E63, 0x4F5F };
+            int resource_values[] = {
+                0x4E63, 0x4F5F
+            };
             perform_hint_action(DISPLAY_STATE_HINT_ID,
                     resource_values, ARRAY_SIZE(resource_values));
-            return HINT_HANDLED;
         }
     } else {
         /* Display on */
         if (is_interactive_governor(governor)) {
             undo_hint_action(DISPLAY_STATE_HINT_ID);
-            return HINT_HANDLED;
         }
     }
-    return HINT_NONE;
+    return HINT_HANDLED;
 }
diff --git a/power-8994.c b/power-8994.c
index 66c8fff..41af86c 100644
--- a/power-8994.c
+++ b/power-8994.c
@@ -27,6 +27,7 @@
  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+
 #define LOG_NIDEBUG 0
 
 #include <errno.h>
@@ -96,13 +97,14 @@
 };
 
 #ifdef INTERACTION_BOOST
-int get_number_of_profiles() {
+int get_number_of_profiles()
+{
     return 5;
 }
 #endif
 
-static void set_power_profile(int profile) {
-
+static void set_power_profile(int profile)
+{
     if (profile == current_power_profile)
         return;
 
@@ -132,36 +134,34 @@
         perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_bias_performance,
                 ARRAY_SIZE(profile_bias_performance));
         ALOGD("%s: Set bias perf mode", __func__);
-
     }
 
     current_power_profile = profile;
 }
 
-static int process_video_encode_hint(void *metadata)
+static void process_video_encode_hint(void *metadata)
 {
     char governor[80];
     struct video_encode_metadata_t video_encode_metadata;
 
     if (get_scaling_governor(governor, sizeof(governor)) == -1) {
         ALOGE("Can't obtain scaling governor.");
-
-        return HINT_NONE;
+        return;
     }
 
-    /* Initialize encode metadata struct fields */
+    if (!metadata) {
+        return;
+    }
+
+    /* Initialize encode metadata struct fields. */
     memset(&video_encode_metadata, 0, sizeof(struct video_encode_metadata_t));
     video_encode_metadata.state = -1;
     video_encode_metadata.hint_id = DEFAULT_VIDEO_ENCODE_HINT_ID;
 
-    if (metadata) {
-        if (parse_video_encode_metadata((char *)metadata, &video_encode_metadata) ==
-            -1) {
-            ALOGE("Error occurred while parsing metadata.");
-            return HINT_NONE;
-        }
-    } else {
-        return HINT_NONE;
+    if (parse_video_encode_metadata((char *)metadata,
+            &video_encode_metadata) == -1) {
+        ALOGE("Error occurred while parsing metadata.");
+        return;
     }
 
     if (video_encode_metadata.state == 1) {
@@ -172,19 +172,17 @@
              * above_hispeed_delay - 40ms
              * sched_small_tsk - 50
              */
-            int resource_values[] = {0x2C07, 0x2F5A, 0x2704, 0x4032};
-
+            int resource_values[] = {
+                0x2C07, 0x2F5A, 0x2704, 0x4032
+            };
             perform_hint_action(video_encode_metadata.hint_id,
                     resource_values, ARRAY_SIZE(resource_values));
-            return HINT_HANDLED;
         }
     } else if (video_encode_metadata.state == 0) {
         if (is_interactive_governor(governor)) {
             undo_hint_action(video_encode_metadata.hint_id);
-            return HINT_HANDLED;
         }
     }
-    return HINT_NONE;
 }
 
 static int resources_interaction_fling_boost[] = {
@@ -224,7 +222,6 @@
 
     switch (hint) {
         case POWER_HINT_INTERACTION:
-        {
             duration = 500; // 500ms by default
             if (data) {
                 int input_duration = *((int*)data);
@@ -251,17 +248,14 @@
                         resources_interaction_boost);
             }
             return HINT_HANDLED;
-        }
         case POWER_HINT_LAUNCH:
-        {
             duration = 2000;
-
             interaction(duration, ARRAY_SIZE(resources_launch),
                     resources_launch);
             return HINT_HANDLED;
-        }
         case POWER_HINT_VIDEO_ENCODE:
-            return process_video_encode_hint(data);
+            process_video_encode_hint(data);
+            return HINT_HANDLED;
         default:
             break;
     }
@@ -274,7 +268,6 @@
 
     if (get_scaling_governor(governor, sizeof(governor)) == -1) {
         ALOGE("Can't obtain scaling governor.");
-
         return HINT_NONE;
     }
 
@@ -283,17 +276,17 @@
         if (is_interactive_governor(governor)) {
             // sched upmigrate = 99, sched downmigrate = 95
             // keep the big cores around, but make them very hard to use
-            int resource_values[] = { 0x4E63, 0x4F5F };
+            int resource_values[] = {
+                0x4E63, 0x4F5F
+            };
             perform_hint_action(DISPLAY_STATE_HINT_ID,
                     resource_values, ARRAY_SIZE(resource_values));
-            return HINT_HANDLED;
         }
     } else {
         /* Display on */
         if (is_interactive_governor(governor)) {
             undo_hint_action(DISPLAY_STATE_HINT_ID);
-            return HINT_HANDLED;
         }
     }
-    return HINT_NONE;
+    return HINT_HANDLED;
 }
diff --git a/power-8996.c b/power-8996.c
index 201fb63..4bd1a58 100644
--- a/power-8996.c
+++ b/power-8996.c
@@ -27,6 +27,7 @@
  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+
 #define LOG_NIDEBUG 0
 
 #include <errno.h>
@@ -48,6 +49,9 @@
 #include "performance.h"
 #include "power-common.h"
 
+#define CHECK_HANDLE(x) ((x)>0)
+#define NUM_PERF_MODES  3
+
 static int current_power_profile = PROFILE_BALANCED;
 
 static int profile_high_performance[] = {
@@ -77,13 +81,14 @@
 };
 
 #ifdef INTERACTION_BOOST
-int get_number_of_profiles() {
+int get_number_of_profiles()
+{
     return 5;
 }
 #endif
 
-static void set_power_profile(int profile) {
-
+static void set_power_profile(int profile)
+{
     if (profile == current_power_profile)
         return;
 
@@ -113,15 +118,11 @@
         perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_bias_performance,
                 ARRAY_SIZE(profile_bias_performance));
         ALOGD("%s: Set bias perf mode", __func__);
-
     }
 
     current_power_profile = profile;
 }
 
-#define CHECK_HANDLE(x) ((x)>0)
-#define NUM_PERF_MODES  3
-
 typedef enum {
     NORMAL_MODE       = 0,
     SUSTAINED_MODE    = 1,
@@ -143,7 +144,7 @@
 
 static int current_mode = NORMAL_MODE;
 
-static inline  int get_perfd_hint_id(perf_mode_type_t type) {
+static inline int get_perfd_hint_id(perf_mode_type_t type) {
     int i;
     for (i = 0; i < NUM_PERF_MODES; i++) {
         if (perf_modes[i].type == type) {
@@ -156,7 +157,6 @@
 }
 
 static int switch_mode(perf_mode_type_t mode) {
-
     int hint_id = 0;
     static int perfd_mode_handle = -1;
 
@@ -180,17 +180,16 @@
 }
 
 static int process_perf_hint(void *data, perf_mode_type_t mode) {
-
     // enable
-    if (*(int32_t *)data){
+    if (*(int32_t *)data) {
         ALOGI("Enable request for mode: 0x%x", mode);
         // check if mode is current mode
-        if ( current_mode & mode ) {
+        if (current_mode & mode) {
             ALOGD("Mode 0x%x already enabled", mode);
             return HINT_HANDLED;
         }
         // enable requested mode
-        if ( 0 != switch_mode(current_mode | mode)) {
+        if (0 != switch_mode(current_mode | mode)) {
             ALOGE("Couldn't enable mode 0x%x", mode);
             return HINT_NONE;
         }
@@ -200,12 +199,12 @@
     } else {
         ALOGI("Disable request for mode: 0x%x", mode);
         // check if mode is enabled
-        if ( !(current_mode & mode) ) {
+        if (!(current_mode & mode)) {
             ALOGD("Mode 0x%x already disabled", mode);
             return HINT_HANDLED;
         }
-        //disable requested mode
-        if ( 0 != switch_mode(current_mode & ~mode)) {
+        // disable requested mode
+        if (0 != switch_mode(current_mode & ~mode)) {
             ALOGE("Couldn't disable mode 0x%x", mode);
             return HINT_NONE;
         }
@@ -228,7 +227,6 @@
 
     if (get_scaling_governor(governor, sizeof(governor)) == -1) {
         ALOGE("Can't obtain scaling governor.");
-
         return HINT_NONE;
     }
 
@@ -250,7 +248,6 @@
     } else if (video_encode_metadata.state == 0) {
         if (is_interactive_governor(governor)) {
             release_request(video_encode_handle);
-            ALOGI("Video Encode hint stop");
             return HINT_HANDLED;
         }
     }
diff --git a/power-8998.c b/power-8998.c
index bb03ff5..356b68d 100644
--- a/power-8998.c
+++ b/power-8998.c
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2018 The LineageOS Project
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -26,6 +27,7 @@
  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+
 #define LOG_NIDEBUG 0
 
 #include <errno.h>
@@ -47,19 +49,12 @@
 #include "hint-data.h"
 #include "performance.h"
 #include "power-common.h"
-#include "powerhintparser.h"
 
 #define CHECK_HANDLE(x) ((x)>0)
 #define NUM_PERF_MODES  3
 
 static int current_power_profile = PROFILE_BALANCED;
 
-#ifdef INTERACTION_BOOST
-int get_number_of_profiles() {
-    return 5;
-}
-#endif
-
 static int profile_high_performance[] = {
     SCHED_BOOST_ON_V3, 0x1,
     MIN_FREQ_BIG_CORE_0, 0xFFF,
@@ -81,8 +76,15 @@
     MIN_FREQ_BIG_CORE_0, 0x578,
 };
 
-static void set_power_profile(int profile) {
+#ifdef INTERACTION_BOOST
+int get_number_of_profiles()
+{
+    return 5;
+}
+#endif
 
+static void set_power_profile(int profile)
+{
     if (profile == current_power_profile)
         return;
 
@@ -95,7 +97,7 @@
 
     if (profile == PROFILE_POWER_SAVE) {
         perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_power_save,
-            ARRAY_SIZE(profile_power_save));
+                ARRAY_SIZE(profile_power_save));
         ALOGD("%s: Set powersave mode", __func__);
 
     } else if (profile == PROFILE_HIGH_PERFORMANCE) {
@@ -105,14 +107,13 @@
 
     } else if (profile == PROFILE_BIAS_POWER) {
         perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_bias_power,
-            ARRAY_SIZE(profile_bias_power));
+                ARRAY_SIZE(profile_bias_power));
         ALOGD("%s: Set bias power mode", __func__);
 
     } else if (profile == PROFILE_BIAS_PERFORMANCE) {
         perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_bias_performance,
                 ARRAY_SIZE(profile_bias_performance));
         ALOGD("%s: Set bias perf mode", __func__);
-
     }
 
     current_power_profile = profile;
@@ -124,22 +125,24 @@
     VR_MODE           = 2,
     VR_SUSTAINED_MODE = (SUSTAINED_MODE|VR_MODE),
     INVALID_MODE      = 0xFF
-}perf_mode_type_t;
+} perf_mode_type_t;
 
 typedef struct perf_mode {
     perf_mode_type_t type;
     int perf_hint_id;
-}perf_mode_t;
+} perf_mode_t;
 
-perf_mode_t perf_modes[NUM_PERF_MODES] = { { SUSTAINED_MODE, SUSTAINED_PERF_HINT },
-                                           { VR_MODE, VR_MODE_HINT },
-                                           { VR_SUSTAINED_MODE, VR_MODE_SUSTAINED_PERF_HINT } };
+perf_mode_t perf_modes[NUM_PERF_MODES] = {
+    { SUSTAINED_MODE, SUSTAINED_PERF_HINT },
+    { VR_MODE, VR_MODE_HINT },
+    { VR_SUSTAINED_MODE, VR_MODE_SUSTAINED_PERF_HINT }
+};
 
 static int current_mode = NORMAL_MODE;
 
-static inline  int get_perfd_hint_id(perf_mode_type_t type) {
+static inline int get_perfd_hint_id(perf_mode_type_t type) {
     int i;
-    for(i=0; i<NUM_PERF_MODES; i++) {
+    for (i = 0; i < NUM_PERF_MODES; i++) {
         if (perf_modes[i].type == type) {
             ALOGD("Hint id is 0x%x for mode 0x%x", perf_modes[i].perf_hint_id, type);
             return perf_modes[i].perf_hint_id;
@@ -150,7 +153,6 @@
 }
 
 static int switch_mode(perf_mode_type_t mode) {
-
     int hint_id = 0;
     static int perfd_mode_handle = -1;
 
@@ -162,7 +164,7 @@
     }
     // switch to a perf mode
     hint_id = get_perfd_hint_id(mode);
-    if(hint_id != 0) {
+    if (hint_id != 0) {
         perfd_mode_handle = perf_hint_enable(hint_id, 0);
         if (!CHECK_HANDLE(perfd_mode_handle)) {
             ALOGE("Failed perf_hint_interaction for mode: 0x%x", mode);
@@ -174,17 +176,16 @@
 }
 
 static int process_perf_hint(void *data, perf_mode_type_t mode) {
-
     // enable
-    if (*(int32_t *)data){
+    if (*(int32_t *)data) {
         ALOGI("Enable request for mode: 0x%x", mode);
         // check if mode is current mode
-        if ( current_mode & mode ) {
+        if (current_mode & mode) {
             ALOGD("Mode 0x%x already enabled", mode);
             return HINT_HANDLED;
         }
         // enable requested mode
-        if ( 0 != switch_mode(current_mode | mode)) {
+        if (0 != switch_mode(current_mode | mode)) {
             ALOGE("Couldn't enable mode 0x%x", mode);
             return HINT_NONE;
         }
@@ -194,12 +195,12 @@
     } else {
         ALOGI("Disable request for mode: 0x%x", mode);
         // check if mode is enabled
-        if ( !(current_mode & mode) ) {
+        if (!(current_mode & mode)) {
             ALOGD("Mode 0x%x already disabled", mode);
             return HINT_HANDLED;
         }
-        //disable requested mode
-        if ( 0 != switch_mode(current_mode & ~mode)) {
+        // disable requested mode
+        if (0 != switch_mode(current_mode & ~mode)) {
             ALOGE("Couldn't disable mode 0x%x", mode);
             return HINT_NONE;
         }
@@ -216,12 +217,12 @@
     struct video_encode_metadata_t video_encode_metadata;
     static int video_encode_handle = 0;
 
-    if(!metadata)
-       return HINT_NONE;
+    if (!metadata) {
+        return HINT_NONE;
+    }
 
     if (get_scaling_governor(governor, sizeof(governor)) == -1) {
         ALOGE("Can't obtain scaling governor.");
-
         return HINT_NONE;
     }
 
@@ -229,22 +230,20 @@
     memset(&video_encode_metadata, 0, sizeof(struct video_encode_metadata_t));
     video_encode_metadata.state = -1;
 
-    if (parse_video_encode_metadata((char *)metadata, &video_encode_metadata) ==
-            -1) {
-       ALOGE("Error occurred while parsing metadata.");
-       return HINT_NONE;
+    if (parse_video_encode_metadata((char *)metadata, &video_encode_metadata) == -1) {
+        ALOGE("Error occurred while parsing metadata.");
+        return HINT_NONE;
     }
 
     if (video_encode_metadata.state == 1) {
-          if (is_interactive_governor(governor)) {
-              video_encode_handle = perf_hint_enable(
-                       VIDEO_ENCODE_HINT, 0);
-              return HINT_HANDLED;
+        if (is_interactive_governor(governor)) {
+            video_encode_handle = perf_hint_enable(
+                    VIDEO_ENCODE_HINT, 0);
+            return HINT_HANDLED;
         }
     } else if (video_encode_metadata.state == 0) {
-          if (is_interactive_governor(governor)) {
+        if (is_interactive_governor(governor)) {
             release_request(video_encode_handle);
-            ALOGI("Video Encode hint stop");
             return HINT_HANDLED;
         }
     }