qcacld-3.0: Add option to disable psoc idle timer

Add option to disable idle psoc timer by changing min
value to 0 and when 0 value is set in INI file then do
not start the psoc idle timer.

Change-Id: I6593f8ef9a15e1817215021c694c20ddf1aaa252
CRs-Fixed: 2370954

core/hdd/inc/hdd_config.h

@@ -87,7 +87,7 @@ enum hdd_wext_control {
 /*
  * <ini>
  * gInterfaceChangeWait - Interface change wait
- * @Min: 10,
+ * @Min: 0,
  * @Max: 500000
  * @Default: 10000
  *
@@ -95,6 +95,8 @@ enum hdd_wext_control {
  * this timer expires all the cds modules shall be closed.
  * Time Units: ms
  *
+ * Value 0 can be used to disable idle module stop.
+ *
  * Related: None
  *
  * Supported Feature: All
@@ -103,7 +105,7 @@ enum hdd_wext_control {
  */
 #define CFG_INTERFACE_CHANGE_WAIT CFG_INI_UINT( \
 			"gInterfaceChangeWait", \
-			10, \
+			0, \
 			500000, \
 			10000, \
 			CFG_VALUE_OR_DEFAULT, \

core/hdd/src/wlan_hdd_main.c

@@ -9213,6 +9213,11 @@ void hdd_psoc_idle_timer_start(struct hdd_context *hdd_ctx)
 	enum wake_lock_reason reason =
 		WIFI_POWER_EVENT_WAKELOCK_IFACE_CHANGE_TIMER;
 
+	if (!timeout_ms) {
+		hdd_info("psoc idle timer is disabled");
+		return;
+	}
+
 	hdd_debug("Starting psoc idle timer");
 	qdf_sched_delayed_work(&hdd_ctx->psoc_idle_timeout_work, timeout_ms);
 	hdd_prevent_suspend_timeout(timeout_ms, reason);