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Commit ce65d8f8 authored by Ritesh Kumar's avatar Ritesh Kumar Committed by Gerrit - the friendly Code Review server
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input: touchscreen: nt36xxx: complete suspend/resume before TUI 



Before initiating trusted touch, wait for suspend or resume to
complete. Similarly, before starting suspend or resume, wait for
trusted touch session to complete.

Change-Id: Ic79f92545ef70a815fb63772b94274959974ea75
Signed-off-by: default avatarRitesh Kumar <riteshk@codeaurora.org>
parent 0a009106

drivers/input/touchscreen/nt36xxx/nt36xxx.c

+21 −4
Original line number Diff line number Diff line
@@ -761,6 +761,9 @@ static int nvt_ts_bus_get(struct nvt_ts_data *ts) 
{

	int rc = 0;



	if (atomic_read(&ts->suspend_resume_underway))

		wait_for_completion_interruptible(&ts->touch_suspend_resume);



	reinit_completion(&ts->trusted_touch_powerdown);

	mutex_lock(&ts->nvt_clk_io_ctrl_mutex);

	rc = pm_runtime_get_sync(ts->client->adapter->dev.parent);
@@ -1174,6 +1177,7 @@ static void nvt_ts_trusted_touch_init(struct nvt_ts_data *ts) 
		return;



	init_completion(&ts->trusted_touch_powerdown);

	init_completion(&ts->touch_suspend_resume);



	/* Get clocks */

	ts->core_clk = devm_clk_get(ts->client->dev.parent,
@@ -3044,9 +3048,12 @@ static int32_t nvt_ts_suspend(struct device *dev) 
	}



#ifdef CONFIG_NOVATEK_TRUSTED_TOUCH

	if (atomic_read(&ts->trusted_touch_enabled))

	if (atomic_read(&ts->trusted_touch_underway))

		wait_for_completion_interruptible(

			&ts->trusted_touch_powerdown);



	atomic_set(&ts->suspend_resume_underway, 1);

	reinit_completion(&ts->touch_suspend_resume);

#endif



#if !WAKEUP_GESTURE
@@ -3100,7 +3107,10 @@ static int32_t nvt_ts_suspend(struct device *dev) 
	input_sync(ts->input_dev);



	msleep(50);



#ifdef CONFIG_NOVATEK_TRUSTED_TOUCH

	complete(&ts->touch_suspend_resume);

	atomic_set(&ts->suspend_resume_underway, 0);

#endif

	NVT_LOG("end\n");



	return 0;
@@ -3123,10 +3133,13 @@ static int32_t nvt_ts_resume(struct device *dev) 
		return 0;

	}



#ifdef CONFIG_ST_TRUSTED_TOUCH

	if (atomic_read(&ts->trusted_touch_enabled))

#ifdef CONFIG_NOVATEK_TRUSTED_TOUCH

	if (atomic_read(&ts->trusted_touch_underway))

		wait_for_completion_interruptible(

			&ts->trusted_touch_powerdown);



	atomic_set(&ts->suspend_resume_underway, 1);

	reinit_completion(&ts->touch_suspend_resume);

#endif

	mutex_lock(&ts->lock);
@@ -3157,6 +3170,10 @@ static int32_t nvt_ts_resume(struct device *dev) 


	mutex_unlock(&ts->lock);



#ifdef CONFIG_NOVATEK_TRUSTED_TOUCH

	complete(&ts->touch_suspend_resume);

	atomic_set(&ts->suspend_resume_underway, 0);

#endif

	NVT_LOG("end\n");



	return 0;

drivers/input/touchscreen/nt36xxx/nt36xxx.h

+2 −0
Original line number Diff line number Diff line
@@ -198,11 +198,13 @@ struct nvt_ts_data { 
	struct mutex nvt_clk_io_ctrl_mutex;

	const char *touch_environment;

	struct completion trusted_touch_powerdown;

	struct completion touch_suspend_resume;

	struct clk *core_clk;

	struct clk *iface_clk;

	atomic_t trusted_touch_initialized;

	atomic_t trusted_touch_enabled;

	atomic_t trusted_touch_underway;

	atomic_t suspend_resume_underway;

	atomic_t trusted_touch_event;

	atomic_t trusted_touch_abort_status;

	atomic_t delayed_vm_probe_pending;