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Commit 78f7468f authored by Alex Sarraf's avatar Alex Sarraf Committed by Gerrit - the friendly Code Review server
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input: misc: hbtp_input: filter out fb events 



Filter out the fb events which don't need to be handled.

Change-Id: I0dd748aec54594454f0d5333255f1ccb71b49201
Signed-off-by: default avatarAlex Sarraf <asarraf@codeaurora.org>
parent 1342831f

drivers/input/misc/hbtp_input.c

+19 −2
Original line number Diff line number Diff line
@@ -109,10 +109,27 @@ static int fb_notifier_callback(struct notifier_block *self, 
{

	int blank;

	struct fb_event *evdata = data;

	struct fb_info *fbi = NULL;

	struct hbtp_data *hbtp_data =

	container_of(self, struct hbtp_data, fb_notif);



	if (evdata && evdata->data && hbtp_data &&

	if (!evdata) {

		pr_debug("evdata is NULL");

		return 0;

	}

	fbi = evdata->info;



	/*

	 * Node 0 is the primary display and others are

	 * external displays such as HDMI/DP.

	 * We need to handle only fb event for the primary display.

	 */

	if (!fbi || fbi->node != 0) {

		pr_debug("%s: no need to handle the fb event", __func__);

		return 0;

	}



	if (evdata->data && hbtp_data &&

		(event == FB_EARLY_EVENT_BLANK ||

		event == FB_R_EARLY_EVENT_BLANK)) {

		blank = *(int *)(evdata->data);
@@ -141,7 +158,7 @@ static int fb_notifier_callback(struct notifier_block *self, 
		}

	}



	if (evdata && evdata->data && hbtp_data &&

	if (evdata->data && hbtp_data &&

		event == FB_EVENT_BLANK) {

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

		if (blank == FB_BLANK_POWERDOWN) {