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Commit 817f760e authored by Yuan Zhao's avatar Yuan Zhao
Browse files

hbtp_input : Add timeout for wait completion 



Need add timeout for wait, because sometimes could
not wait for the completion condition, then will make
the thread stuck.

Change-Id: I2f1be1f21148cfb8873df96f53b0fbe345469f66
Signed-off-by: default avatarYuan Zhao <yzhao@codeaurora.org>
parent f2537d91

drivers/input/misc/hbtp_input.c

+9 −6
Original line number Diff line number Diff line
@@ -38,6 +38,7 @@ 
#define HBTP_PINCTRL_VALID_STATE_CNT		(2)

#define HBTP_HOLD_DURATION_US			(10)

#define HBTP_PINCTRL_DDIC_SEQ_NUM		(4)

#define HBTP_WAIT_TIMEOUT_MS			2000



struct hbtp_data {

	struct platform_device *pdev;
@@ -1179,9 +1180,10 @@ static int hbtp_dsi_panel_suspend(struct hbtp_data *ts) 
				pr_debug("%s: power_sig is enabled, wait for signal\n",

					__func__);

				mutex_unlock(&hbtp->mutex);

				rc = wait_for_completion_interruptible(

					&hbtp->power_suspend_sig);

				if (rc != 0) {

				rc = wait_for_completion_interruptible_timeout(

					&hbtp->power_suspend_sig,

					msecs_to_jiffies(HBTP_WAIT_TIMEOUT_MS));

				if (rc <= 0) {

					pr_err("%s: wait for suspend is interrupted\n",

						__func__);

				}
@@ -1240,9 +1242,10 @@ static int hbtp_dsi_panel_early_resume(struct hbtp_data *ts) 
				pr_err("%s: power_sig is enabled, wait for signal\n",

					__func__);

				mutex_unlock(&hbtp->mutex);

				rc = wait_for_completion_interruptible(

					&hbtp->power_resume_sig);

				if (rc != 0) {

				rc = wait_for_completion_interruptible_timeout(

					&hbtp->power_resume_sig,

					msecs_to_jiffies(HBTP_WAIT_TIMEOUT_MS));

				if (rc <= 0) {

					pr_err("%s: wait for resume is interrupted\n",

						__func__);

				}