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

This change prevents gpio keys debouncing by adding 50 ms delay
when key pressed condition met.

Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>

diff --git a/board/samsung/common/misc.c b/board/samsung/common/misc.c
index 65b5c3052e339b37c0a100810e5e8ade4f989eb3..5b43821c4b7604e074ae475da43e11fee10d8b1d 100644 (file)
--- a/board/samsung/common/misc.c
+++ b/board/samsung/common/misc.c
@@ -105,6 +105,10 @@ static int check_keys(void)
        if (key_pressed(KEY_VOLUMEDOWN))
                keys += KEY_VOLUMEDOWN;
 
+       /* Avoids gpio keys debouncing */
+       if (keys)
+               mdelay(50);
+
        return keys;
 }