touch: Enable and Disable voltages

Added regulator API's for enablement and disablement of voltages for
touch during SUSPEND and RESUME states.

Change-Id: Idfb0f0890700576acb15dfc11fa0118ed8fa94ee
Signed-off-by: Srikanth Katteboina <[email protected]>

raydium/raydium_driver.c

@@ -1332,6 +1332,7 @@ exit_error:
 static void raydium_ts_do_suspend(void)
 {
 	unsigned char u8_i = 0;
+	int rc;
 
 	if (g_u8_raw_data_type == 0)
 		g_u8_resetflag = false;
@@ -1340,6 +1341,14 @@ static void raydium_ts_do_suspend(void)
 		return;
 	}
 
+	rc = raydium_enable_regulator(g_raydium_ts, false);
+	if (rc < 0) {
+		LOGD(LOG_ERR, "[touch]%s:Failed to disable regulators:rc=%d\n",
+				__func__, rc);
+	}
+	LOGD(LOG_INFO, "[touch]%s:voltage regulators disabled:rc=%d\n",
+			__func__, rc);
+
 	/*#ifndef GESTURE_EN*/
 	raydium_irq_control(DISABLE);
 	/*#endif*/
@@ -1420,6 +1429,13 @@ static void raydium_ts_do_resume(void)
 		g_u8_checkflag = false;
 	}
 #endif
+	rc = raydium_enable_regulator(g_raydium_ts, true);
+	if (rc < 0) {
+			LOGD(LOG_ERR, "[touch]%s:Failed to disable regulators:rc=%d\n",
+					__func__, rc);
+	}
+	LOGD(LOG_INFO, "[touch]%s:voltage regulators disabled:rc=%d\n",
+			__func__, rc);
 	raydium_irq_control(ENABLE);
 #ifdef GESTURE_EN
 	if (device_may_wakeup(&g_raydium_ts->client->dev)) {