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| author | Andrew Liu <andrew.liu200917@gmail.com> | 2013-11-23 10:06:36 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-11-25 18:26:17 -0800 |
| commit | e4cfb034e89a1c7148f617735d92a3655d27773f (patch) | |
| tree | 5fcd037bdae5695fa786ea691e671c57bb15f67b /drivers/input/misc/pcf8574_keypad.c | |
| parent | 5cf0eb9875cb26ebdc60d08444272b2ea219386e (diff) | |
| download | linux-e4cfb034e89a1c7148f617735d92a3655d27773f.tar.bz2 | |
Input: keyboard - "keycode & KEY_MAX" changes some keycode values
For exmaple, keycode: KEY_OK(0x160) is changed by "and" operation with
KEY_MAX(0x2ff) to KEY_KPENTER(96).
Signed-off-by: Andrew Liu <andrew.liu200917@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/misc/pcf8574_keypad.c')
| -rw-r--r-- | drivers/input/misc/pcf8574_keypad.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/input/misc/pcf8574_keypad.c b/drivers/input/misc/pcf8574_keypad.c index e37392976fdd..0deca5a3c87f 100644 --- a/drivers/input/misc/pcf8574_keypad.c +++ b/drivers/input/misc/pcf8574_keypad.c @@ -113,9 +113,12 @@ static int pcf8574_kp_probe(struct i2c_client *client, const struct i2c_device_i idev->keycodemax = ARRAY_SIZE(lp->btncode); for (i = 0; i < ARRAY_SIZE(pcf8574_kp_btncode); i++) { - lp->btncode[i] = pcf8574_kp_btncode[i]; - __set_bit(lp->btncode[i] & KEY_MAX, idev->keybit); + if (lp->btncode[i] <= KEY_MAX) { + lp->btncode[i] = pcf8574_kp_btncode[i]; + __set_bit(lp->btncode[i], idev->keybit); + } } + __clear_bit(KEY_RESERVED, idev->keybit); sprintf(lp->name, DRV_NAME); sprintf(lp->phys, "kp_data/input0"); |