Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit b4b3c42c authored by Jin Fu's avatar Jin Fu Committed by Gerrit - the friendly Code Review server
Browse files

input: touchpanel: fix TP frozen when ST's TP firstly probe up 



Set TP to display-unblank status when firstly probe up, so that
TP can detect interrupt and report touch event without press
power key.

Change-Id: I6e4ea48551463c6d0f747987d7c255987e3a11df
Signed-off-by: default avatarJin Fu <jinf@codeaurora.org>
parent 34f1071c

drivers/input/touchscreen/st/fts.c

+26 −2
Original line number Diff line number Diff line
@@ -105,7 +105,7 @@ static void fts_interrupt_enable(struct fts_ts_info *info); 
static int fts_init_hw(struct fts_ts_info *info);

static int fts_mode_handler(struct fts_ts_info *info, int force);

static int fts_command(struct fts_ts_info *info, unsigned char cmd);



static void fts_unblank(struct fts_ts_info *info);

static int fts_chip_initialization(struct fts_ts_info *info);



void touch_callback(unsigned int status)
@@ -1487,8 +1487,12 @@ static int fts_init(struct fts_ts_info *info) 


	error = fts_interrupt_install(info);



	if (error != OK)

	if (error != OK) {

		logError(1,  "%s Init (1) error (ERROR  = %08X)\n", error);

		return error;

	}



	fts_unblank(info);



	return error;

}
@@ -1773,6 +1777,26 @@ static int fts_fb_state_chg_callback(struct notifier_block *nb, unsigned long va 


}



static void fts_unblank(struct fts_ts_info *info)

{

	int i;



	for (i = 0; i < TOUCH_ID_MAX; i++) {

		input_mt_slot(info->input_dev, i);

		input_mt_report_slot_state(info->input_dev,

			(i < FINGER_MAX) ? MT_TOOL_FINGER : MT_TOOL_PEN, 0);

	}

	input_sync(info->input_dev);



	info->resume_bit = 1;



	fts_mode_handler(info, 0);



	info->sensor_sleep = false;



	fts_enableInterrupt();

}



static struct notifier_block fts_noti_block = {

	.notifier_call = fts_fb_state_chg_callback,

};