iio: convert to common i2c_check_functionality() return value

[deliverable/linux.git] / drivers / iio / potentiometer / mcp4531.c

diff --git a/drivers/iio/potentiometer/mcp4531.c b/drivers/iio/potentiometer/mcp4531.c
index a3f66874ee2e43058c36e05125c7370ff95e7161..0db67fe1476695a2b95af4f61036b98f25310b19 100644 (file)
--- a/drivers/iio/potentiometer/mcp4531.c
+++ b/drivers/iio/potentiometer/mcp4531.c
@@ -159,7 +159,7 @@ static int mcp4531_probe(struct i2c_client *client,
        if (!i2c_check_functionality(client->adapter,
                                     I2C_FUNC_SMBUS_WORD_DATA)) {
                dev_err(dev, "SMBUS Word Data not supported\n");
-               return -EIO;
+               return -EOPNOTSUPP;
        }
 
        indio_dev = devm_iio_device_alloc(dev, sizeof(*data));