commit 0489745150d04112fbed7c6febe51ea808e142ef
author Kapil Gupta <kapgupta@codeaurora.org> Mon Mar 13 12:50:35 2017 +0530
committer Kapil Gupta <kapgupta@codeaurora.org> Mon Mar 13 14:25:31 2017 +0530
tree 34d91063343950cde6d8a63bfcebc61dc526d150
parent edef78c759d1a479d76cfdce2d5500b0154114ab

wlan: Add wake lock for find AP indication

It could be possible that host sleeps before it process find AP
indication and disconnect from current AP. It won't be able to
connect to new AP in this case.

Add wakelock to keep host awake for 1000ms once it gets find
AP indication.

CRs-Fixed: 2018351
Change-Id: I43cb297f9c3cb28b68e104e94a36407c895e153f

CORE/VOSS/inc/vos_diag_core_event.h

diff --git a/CORE/VOSS/inc/vos_diag_core_event.h b/CORE/VOSS/inc/vos_diag_core_event.h
index 6fdb45c..ac7b39b 100644
--- a/CORE/VOSS/inc/vos_diag_core_event.h
+++ b/CORE/VOSS/inc/vos_diag_core_event.h
@@ -454,6 +454,7 @@
        WIFI_POWER_EVENT_WAKELOCK_ROC,
        WIFI_POWER_EVENT_WAKELOCK_HOLD_RX,
        WIFI_POWER_EVENT_WAKELOCK_SAP,
+       WIFI_POWER_EVENT_WAKELOCK_FIND_AP_INDICATION,
 };
 
 #ifdef __cplusplus

CORE/WDI/CP/inc/wlan_qct_wdi_i.h

diff --git a/CORE/WDI/CP/inc/wlan_qct_wdi_i.h b/CORE/WDI/CP/inc/wlan_qct_wdi_i.h
index a551b7d..59d0884 100644
--- a/CORE/WDI/CP/inc/wlan_qct_wdi_i.h
+++ b/CORE/WDI/CP/inc/wlan_qct_wdi_i.h
@@ -1356,6 +1356,8 @@
    wpt_uint8                  roamDelayStatsEnabled;
    /* enable/disable sendMgmtPktViaWQ5 params in ini */
    wpt_boolean                 sendMgmtPktViaWQ5;
+   /* Wake lock for keep device in awake once host gets a find AP indication */
+   vos_wake_lock_t             find_ap_lock;
 
 }WDI_ControlBlockType; 
 

CORE/WDI/CP/src/wlan_qct_wdi.c

diff --git a/CORE/WDI/CP/src/wlan_qct_wdi.c b/CORE/WDI/CP/src/wlan_qct_wdi.c
index a153bb9..d8c2dd4 100644
--- a/CORE/WDI/CP/src/wlan_qct_wdi.c
+++ b/CORE/WDI/CP/src/wlan_qct_wdi.c
@@ -90,6 +90,7 @@
 
 #include "pttMsgApi.h"
 #include "vos_trace.h"
+#include "vos_diag_core_event.h"
 
 #include "vos_api.h"
 
@@ -2339,7 +2340,6 @@
       goto fail_wdts_open;
     }
   }
-
   /*The WDI is initialized - set state to init */
   gWDICb.uGlobalState = WDI_INIT_ST;
   gWDICb.roamDelayStatsEnabled = vos_get_roam_delay_stats_enabled();
@@ -2353,6 +2353,8 @@
 
   wdi_register_debug_callback();
 
+  vos_wake_lock_init(&gWDICb.find_ap_lock, "find_ap_lock");
+
   return WDI_STATUS_SUCCESS;
 
   /* ERROR handlers
@@ -2700,7 +2702,7 @@
                 "Failed to delete mutex %d", wptStatus);
      WDI_ASSERT(0);
   }
-
+  vos_wake_lock_destroy(&gWDICb.find_ap_lock);
   /*Clear control block.  note that this will clear the "magic"
     which will inhibit all asynchronous callbacks*/
   WDI_CleanCB(&gWDICb);
@@ -27843,6 +27845,7 @@
 #endif
 
 #ifdef WLAN_FEATURE_APFIND
+#define FIND_AP_WAKELOCK_TIMEOUT 1000
 /**
  @brief Process QRF Preferred Network Found Indication function
 
@@ -27874,7 +27877,9 @@
      WDI_ASSERT( 0 );
      return WDI_STATUS_E_FAILURE;
   }
-
+  vos_wake_lock_timeout_release(&pWDICtx->find_ap_lock,
+                                FIND_AP_WAKELOCK_TIMEOUT,
+                                WIFI_POWER_EVENT_WAKELOCK_FIND_AP_INDICATION);
   /*Fill in the indication parameters*/
   wdiInd.wdiIndicationType = WDI_AP_FOUND_IND;
   if ( pWDICtx->wdiLowLevelIndCB )