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Commit 94432569 authored by Alex Sarraf's avatar Alex Sarraf Committed by Mohan Pallaka
Browse files

input: misc: hbtp-input: Support for FB_BLANK_NORMAL event 



Add support for handling FB_BLANK_NORMAL event.

Change-Id: Ifd3c1c1eb2e1101bfcd354252711eb67fc362c57
Signed-off-by: default avatarAlex Sarraf <asarraf@codeaurora.org>
parent 7d78f564

drivers/input/misc/hbtp_input.c

+23 −10
Original line number Diff line number Diff line
@@ -62,7 +62,7 @@ struct hbtp_data { 
	u32 ts_pinctrl_seq_delay;

	u32 ddic_pinctrl_seq_delay[HBTP_PINCTRL_DDIC_SEQ_NUM];

	u32 fb_resume_seq_delay;

	bool lcd_on;

	int lcd_state;

	bool power_suspended;

	bool power_sync_enabled;

	bool power_sig_enabled;
@@ -108,6 +108,7 @@ static int fb_notifier_callback(struct notifier_block *self, 
				 unsigned long event, void *data)

{

	int blank;

	int lcd_state;

	struct fb_event *evdata = data;

	struct fb_info *fbi = NULL;

	struct hbtp_data *hbtp_data =
@@ -133,27 +134,32 @@ static int fb_notifier_callback(struct notifier_block *self, 
		(event == FB_EARLY_EVENT_BLANK ||

		event == FB_R_EARLY_EVENT_BLANK)) {

		blank = *(int *)(evdata->data);

		lcd_state = hbtp->lcd_state;

		if (event == FB_EARLY_EVENT_BLANK) {

			if (blank == FB_BLANK_UNBLANK) {

			if (blank <= FB_BLANK_NORMAL &&

				lcd_state == FB_BLANK_POWERDOWN) {

				pr_debug("%s: receives EARLY_BLANK:UNBLANK\n",

					__func__);

				hbtp_data->lcd_on = true;

				hbtp_fb_early_resume(hbtp_data);

			} else if (blank == FB_BLANK_POWERDOWN) {

			} else if (blank == FB_BLANK_POWERDOWN &&

					lcd_state <= FB_BLANK_NORMAL) {

				pr_debug("%s: receives EARLY_BLANK:POWERDOWN\n",

					__func__);

				hbtp_data->lcd_on = false;

			} else {

				pr_debug("%s: receives EARLY_BLANK:%d in %d state\n",

					__func__, blank, lcd_state);

			}

		} else if (event == FB_R_EARLY_EVENT_BLANK) {

			if (blank == FB_BLANK_UNBLANK) {

			if (blank <= FB_BLANK_NORMAL) {

				pr_debug("%s: receives R_EARLY_BALNK:UNBLANK\n",

					__func__);

				hbtp_data->lcd_on = false;

				hbtp_fb_suspend(hbtp_data);

			} else if (blank == FB_BLANK_POWERDOWN) {

				pr_debug("%s: receives R_EARLY_BALNK:POWERDOWN\n",

					__func__);

				hbtp_data->lcd_on = true;

			} else {

				pr_debug("%s: receives R_EARLY_BALNK:%d in %d state\n",

					__func__, blank, lcd_state);

			}

		}

	}
@@ -161,13 +167,20 @@ static int fb_notifier_callback(struct notifier_block *self, 
	if (evdata->data && hbtp_data &&

		event == FB_EVENT_BLANK) {

		blank = *(int *)(evdata->data);

		if (blank == FB_BLANK_POWERDOWN) {

		lcd_state = hbtp->lcd_state;

		if (blank == FB_BLANK_POWERDOWN &&

			lcd_state <= FB_BLANK_NORMAL) {

			pr_debug("%s: receives BLANK:POWERDOWN\n", __func__);

			hbtp_fb_suspend(hbtp_data);

		} else if (blank == FB_BLANK_UNBLANK) {

		} else if (blank <= FB_BLANK_NORMAL &&

				lcd_state == FB_BLANK_POWERDOWN) {

			pr_debug("%s: receives BLANK:UNBLANK\n", __func__);

			hbtp_fb_resume(hbtp_data);

		} else {

			pr_debug("%s: receives BLANK:%d in %d state\n",

				__func__, blank, lcd_state);

		}

		hbtp_data->lcd_state = blank;

	}

	return 0;

}