KPDK_DK only indicates the pin level of direct key.
So it is related to board, and low level may be active which
indicates that a key is pressed.
Signed-off-by: Chao Xie <chao.xie@marvell.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
/* direct keys */
int direct_key_num;
unsigned int direct_key_map[MAX_DIRECT_KEY_NUM];
+ /* the key output may be low active */
+ int direct_key_low_active;
/* rotary encoders 0 */
int enable_rotary0;
if (pdata->enable_rotary0 || pdata->enable_rotary1)
pxa27x_keypad_scan_rotary(keypad);
- new_state = KPDK_DK(kpdk) & keypad->direct_key_mask;
+ /*
+ * The KPDR_DK only output the key pin level, so it relates to board,
+ * and low level may be active.
+ */
+ if (pdata->direct_key_low_active)
+ new_state = ~KPDK_DK(kpdk) & keypad->direct_key_mask;
+ else
+ new_state = KPDK_DK(kpdk) & keypad->direct_key_mask;
+
bits_changed = keypad->direct_key_state ^ new_state;
if (bits_changed == 0)