diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c index 0acca68cc52b..1f674cb6c55b 100644 --- a/drivers/input/touchscreen/tsc2007.c +++ b/drivers/input/touchscreen/tsc2007.c @@ -310,6 +310,12 @@ static int __devinit tsc2007_probe(struct i2c_client *client, ts->get_pendown_state = pdata->get_pendown_state; ts->clear_penirq = pdata->clear_penirq; + if (pdata->x_plate_ohms == 0) { + dev_err(&client->dev, "x_plate_ohms is not set up in platform data"); + err = -EINVAL; + goto err_free_mem; + } + snprintf(ts->phys, sizeof(ts->phys), "%s/input0", dev_name(&client->dev)); diff --git a/include/linux/i2c/tsc2007.h b/include/linux/i2c/tsc2007.h index 591427a63b06..506a9f7af51e 100644 --- a/include/linux/i2c/tsc2007.h +++ b/include/linux/i2c/tsc2007.h @@ -5,7 +5,7 @@ struct tsc2007_platform_data { u16 model; /* 2007. */ - u16 x_plate_ohms; + u16 x_plate_ohms; /* must be non-zero value */ u16 max_rt; /* max. resistance above which samples are ignored */ unsigned long poll_delay; /* delay (in ms) after pen-down event before polling starts */