diff options
| -rw-r--r-- | arch/arm/plat-pxa/include/plat/pxa27x_keypad.h | 2 | ||||
| -rw-r--r-- | drivers/input/keyboard/pxa27x_keypad.c | 10 |
2 files changed, 11 insertions, 1 deletions
diff --git a/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h b/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h index abcc36eb124..7ffb16b8063 100644 --- a/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h +++ b/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h @@ -44,6 +44,8 @@ struct pxa27x_keypad_platform_data { /* 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; diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c index 5d717202aad..a60f14e7983 100644 --- a/drivers/input/keyboard/pxa27x_keypad.c +++ b/drivers/input/keyboard/pxa27x_keypad.c @@ -311,7 +311,15 @@ static void pxa27x_keypad_scan_direct(struct pxa27x_keypad *keypad) 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) |