diff --git a/drivers/input/touchscreen/sec_ts/sec_ts.c b/drivers/input/touchscreen/sec_ts/sec_ts.c
index 566e5c0fc..c312eec51 100644
--- a/drivers/input/touchscreen/sec_ts/sec_ts.c
+++ b/drivers/input/touchscreen/sec_ts/sec_ts.c
@@ -1398,12 +1398,17 @@ static irqreturn_t sec_ts_irq_thread(int irq, void *ptr)
 	}
 #endif
 
+	/* prevent CPU from entering deep sleep */
+	pm_qos_update_request(&ts->pm_qos_req, 100);
+
 	mutex_lock(&ts->eventlock);
 
 	sec_ts_read_event(ts);
 
 	mutex_unlock(&ts->eventlock);
 
+	pm_qos_update_request(&ts->pm_qos_req, PM_QOS_DEFAULT_VALUE);
+
 	return IRQ_HANDLED;
 }
 
@@ -2230,6 +2235,9 @@ static int sec_ts_probe(struct i2c_client *client, const struct i2c_device_id *i
 				"%s: TOUCH DEVICE ID : %02X, %02X, %02X, %02X, %02X\n", __func__,
 				deviceID[0], deviceID[1], deviceID[2], deviceID[3], deviceID[4]);
 
+	pm_qos_add_request(&ts->pm_qos_req, PM_QOS_CPU_DMA_LATENCY,
+		PM_QOS_DEFAULT_VALUE);
+
 	ret = sec_ts_i2c_read(ts, SEC_TS_READ_FIRMWARE_INTEGRITY, &result, 1);
 	if (ret < 0) {
 		input_err(true, &ts->client->dev, "%s: failed to integrity check (%d)\n", __func__, ret);
@@ -2409,6 +2417,7 @@ static int sec_ts_probe(struct i2c_client *client, const struct i2c_device_id *i
 err_fb_client:
 #endif
 err_irq:
+	pm_qos_remove_request(&ts->pm_qos_req);
 	if (ts->plat_data->support_dex) {
 		input_unregister_device(ts->input_dev_pad);
 		ts->input_dev_pad = NULL;
@@ -2853,6 +2862,8 @@ static int sec_ts_remove(struct i2c_client *client)
 	free_irq(ts->client->irq, ts);
 	input_info(true, &ts->client->dev, "%s: irq disabled\n", __func__);
 
+	pm_qos_remove_request(&ts->pm_qos_req);
+
 #ifdef USE_POWER_RESET_WORK
 	cancel_delayed_work_sync(&ts->reset_work);
 	flush_delayed_work(&ts->reset_work);
diff --git a/drivers/input/touchscreen/sec_ts/sec_ts.h b/drivers/input/touchscreen/sec_ts/sec_ts.h
index 6c2dfa73c..67fa9b773 100644
--- a/drivers/input/touchscreen/sec_ts/sec_ts.h
+++ b/drivers/input/touchscreen/sec_ts/sec_ts.h
@@ -31,6 +31,7 @@
 #include <linux/module.h>
 #include <linux/of_gpio.h>
 #include <linux/platform_device.h>
+#include <linux/pm_qos.h>
 #include <linux/regulator/consumer.h>
 #include <linux/slab.h>
 #include <linux/time.h>
@@ -681,7 +682,7 @@ struct sec_ts_data {
 	struct mutex i2c_mutex;
 	struct mutex eventlock;
 	struct mutex modechange;
-
+	struct pm_qos_request pm_qos_req;
 	struct delayed_work work_read_info;
 #ifdef USE_POWER_RESET_WORK
 	struct delayed_work reset_work;