iio:accel:mma8452: pass up real error code

Pass up the error code provided by functions.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
index d87799fe7161da050cbfdef25bed9f04ac179dba..9607f830a13b9eb6644cdfc4ca3803610301908a 100644 (file)
--- a/drivers/iio/accel/mma8452.c
+++ b/drivers/iio/accel/mma8452.c
@@ -343,7 +343,7 @@ static int mma8452_set_hp_filter_frequency(struct mma8452_data *data,
 
        i = mma8452_get_hp_filter_index(data, val, val2);
        if (i < 0)
-               return -EINVAL;
+               return i;
 
        reg = i2c_smbus_read_byte_data(data->client,
                                       MMA8452_HP_FILTER_CUTOFF);
@@ -369,7 +369,7 @@ static int mma8452_write_raw(struct iio_dev *indio_dev,
        case IIO_CHAN_INFO_SAMP_FREQ:
                i = mma8452_get_samp_freq_index(data, val, val2);
                if (i < 0)
-                       return -EINVAL;
+                       return i;
 
                data->ctrl_reg1 &= ~MMA8452_CTRL_DR_MASK;
                data->ctrl_reg1 |= i << MMA8452_CTRL_DR_SHIFT;
@@ -378,7 +378,7 @@ static int mma8452_write_raw(struct iio_dev *indio_dev,
        case IIO_CHAN_INFO_SCALE:
                i = mma8452_get_scale_index(data, val, val2);
                if (i < 0)
-                       return -EINVAL;
+                       return i;
                data->data_cfg &= ~MMA8452_DATA_CFG_FS_MASK;
                data->data_cfg |= i;
                return mma8452_change_config(data, MMA8452_DATA_CFG,