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authorMark Brown <broonie@linaro.org>2014-01-14 14:14:47 +0000
committerMark Brown <broonie@linaro.org>2014-01-14 14:14:47 +0000
commit13ea3300100ec3461560b1e061033cd167333a86 (patch)
treec60a016a06c488adada6959516e2a2de96d6d7d3 /drivers/input/misc/pcf8574_keypad.c
parentb7ed6b88b2a5e961eeb939ef637a3cbb435a23a7 (diff)
parent68e67d97e1f91ed11e041b67f3a1336f518c608f (diff)
Merge branch 'topic/rcar' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-rspi
Diffstat (limited to 'drivers/input/misc/pcf8574_keypad.c')
-rw-r--r--drivers/input/misc/pcf8574_keypad.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/input/misc/pcf8574_keypad.c b/drivers/input/misc/pcf8574_keypad.c
index e37392976fd..0deca5a3c87 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");