Input: pxa27x_keypad bug fix for direct_key_mask

When direcct_key_num is 0, the mask should be 0.
When direcct_key_num is 1, the mask should be 0b1.

Signed-off-by: Chao Xie <chao.xie@marvell.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
This commit is contained in:
Chao Xie 2012-04-01 10:08:02 +08:00 committed by Haojian Zhuang
parent 6ce34a5fb4
commit 5545fa897a

View File

@ -383,7 +383,7 @@ static void pxa27x_keypad_config(struct pxa27x_keypad *keypad)
if (pdata->direct_key_num > direct_key_num)
direct_key_num = pdata->direct_key_num;
keypad->direct_key_mask = ((2 << direct_key_num) - 1) & ~mask;
keypad->direct_key_mask = ((1 << direct_key_num) - 1) & ~mask;
/* enable direct key */
if (direct_key_num)