wlan: Avoid immediate power collapse on receiving PNO indication
Connect request will be dishonored if apps power collapses immediately
after updating the sched scan results to supplicant.
To mitigate this issue, take a wakelock for 1 second before updating
the sched scan results to supplicant.
Change-Id: Ib0b8b6c6b149f0bf66d1cf9a60bd876f4a003245
CRs-Fixed: 924837
diff --git a/CORE/HDD/src/wlan_hdd_cfg80211.c b/CORE/HDD/src/wlan_hdd_cfg80211.c
index 1c88d3b..a3d7bd8 100644
--- a/CORE/HDD/src/wlan_hdd_cfg80211.c
+++ b/CORE/HDD/src/wlan_hdd_cfg80211.c
@@ -16260,7 +16260,14 @@
if (0 > ret)
hddLog(VOS_TRACE_LEVEL_INFO, "%s: NO SCAN result", __func__);
-
+ else
+ {
+ /* Acquire wakelock to handle the case where APP's tries to suspend
+ * immediatly after the driver gets connect request(i.e after pno)
+ * from supplicant, this result in app's is suspending and not able
+ * to process the connect request to AP */
+ hdd_prevent_suspend_timeout(1000, WIFI_POWER_EVENT_WAKELOCK_SCAN);
+ }
cfg80211_sched_scan_results(pHddCtx->wiphy);
VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO,
"%s: cfg80211 scan result database updated", __func__);