charger: suspend enable in charger mode
To reduce power consumption after charging completion, enable suspend when LCD
is turned off.
Bug: 7429504
Change-Id: I34731dc392661c9051a20cea74f70d94a8aaeb42
Signed-off-by: Iliyan Malchev <malchev@google.com>
diff --git a/charger/Android.mk b/charger/Android.mk
index fe0c91d..0258604 100644
--- a/charger/Android.mk
+++ b/charger/Android.mk
@@ -12,6 +12,10 @@
LOCAL_CFLAGS := -DCHARGER_DISABLE_INIT_BLANK
endif
+ifeq ($(strip $(BOARD_CHARGER_ENABLE_SUSPEND)),true)
+LOCAL_CFLAGS += -DCHARGER_ENABLE_SUSPEND
+endif
+
LOCAL_MODULE := charger
LOCAL_MODULE_TAGS := optional
LOCAL_FORCE_STATIC_EXECUTABLE := true
@@ -21,6 +25,9 @@
LOCAL_C_INCLUDES := bootable/recovery
LOCAL_STATIC_LIBRARIES := libminui libpixelflinger_static libpng
+ifeq ($(strip $(BOARD_CHARGER_ENABLE_SUSPEND)),true)
+LOCAL_STATIC_LIBRARIES += libsuspend
+endif
LOCAL_STATIC_LIBRARIES += libz libstdc++ libcutils libm libc
include $(BUILD_EXECUTABLE)
diff --git a/charger/charger.c b/charger/charger.c
index c5e4ec2..1bacc81 100644
--- a/charger/charger.c
+++ b/charger/charger.c
@@ -41,6 +41,8 @@
#include <cutils/misc.h>
#include <cutils/uevent.h>
+#include <suspend/autosuspend.h>
+
#include "minui/minui.h"
#ifndef max
@@ -352,6 +354,21 @@
free(supply);
}
+#ifdef CHARGER_ENABLE_SUSPEND
+static int request_suspend(bool enable)
+{
+ if (enable)
+ return autosuspend_enable();
+ else
+ return autosuspend_disable();
+}
+#else
+static int request_suspend(bool enable)
+{
+ return 0;
+}
+#endif
+
static void parse_uevent(const char *msg, struct uevent *uevent)
{
uevent->action = "";
@@ -685,6 +702,7 @@
charger->next_screen_transition = -1;
gr_fb_blank(true);
LOGV("[%lld] animation done\n", now);
+ request_suspend(true);
return;
}
@@ -824,8 +842,10 @@
}
} else {
/* if the power key got released, force screen state cycle */
- if (key->pending)
+ if (key->pending) {
+ request_suspend(false);
kick_animation(charger->batt_anim);
+ }
}
}
@@ -843,6 +863,7 @@
static void handle_power_supply_state(struct charger *charger, int64_t now)
{
if (charger->num_supplies_online == 0) {
+ request_suspend(false);
if (charger->next_pwr_check == -1) {
charger->next_pwr_check = now + UNPLUGGED_SHUTDOWN_TIME;
LOGI("[%lld] device unplugged: shutting down in %lld (@ %lld)\n",