From: Przemyslaw Marczak <p.marczak@samsung.com>
Date: Thu, 6 Mar 2014 15:39:44 +0000 (+0100)
Subject: MAINLINE samsung: misc: menu: fix gpio key debouncing by adding 50 ms delay
X-Git-Tag: submit/tizen/20140328.090301~16
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=12d50cc509c413583152e7997232698de5540df5;p=kernel%2Fu-boot.git

MAINLINE samsung: misc: menu: fix gpio key debouncing by adding 50 ms delay

This change prevents gpio keys debouncing by adding 50 ms delay if pressed.

Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>
---

diff --git a/board/samsung/common/misc.c b/board/samsung/common/misc.c
index 9c85a86..bb27045 100644
--- a/board/samsung/common/misc.c
+++ b/board/samsung/common/misc.c
@@ -104,6 +104,10 @@ int check_keys(void)
 	if (key_pressed(KEY_VOLUMEDOWN))
 		keys += KEY_VOLUMEDOWN;
 
+	/* Avoids gpio keys debouncing */
+	if (keys)
+		mdelay(50);
+
 	return keys;
 }