diff options
| -rw-r--r-- | drivers/input/touchscreen/msg2638.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/input/touchscreen/msg2638.c b/drivers/input/touchscreen/msg2638.c index 51b1c0e8a761..4c0816b09d33 100644 --- a/drivers/input/touchscreen/msg2638.c +++ b/drivers/input/touchscreen/msg2638.c @@ -412,13 +412,15 @@ static int msg2638_ts_probe(struct i2c_client *client) msg2638->num_keycodes = ARRAY_SIZE(msg2638->keycodes); } - error = device_property_read_u32_array(dev, "linux,keycodes", - msg2638->keycodes, - msg2638->num_keycodes); - if (error) { - dev_err(dev, "Unable to read linux,keycodes values: %d\n", - error); - return error; + if (msg2638->num_keycodes > 0) { + error = device_property_read_u32_array(dev, "linux,keycodes", + msg2638->keycodes, + msg2638->num_keycodes); + if (error) { + dev_err(dev, "Unable to read linux,keycodes values: %d\n", + error); + return error; + } } error = devm_request_threaded_irq(dev, client->irq, |