diff options
Diffstat (limited to 'drivers/iio/adc')
| -rw-r--r-- | drivers/iio/adc/max1363.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/iio/adc/max1363.c b/drivers/iio/adc/max1363.c index 77c123fcd0d0..46732380566f 100644 --- a/drivers/iio/adc/max1363.c +++ b/drivers/iio/adc/max1363.c @@ -335,7 +335,7 @@ static int max1363_read_single_chan(struct iio_dev *indio_dev, { int ret = 0; s32 data; - char rxbuf[2]; + u8 rxbuf[2]; struct max1363_state *st = iio_priv(indio_dev); struct i2c_client *client = st->client; @@ -367,7 +367,8 @@ static int max1363_read_single_chan(struct iio_dev *indio_dev, ret = data; goto error_ret; } - data = (s32)(rxbuf[1]) | ((s32)(rxbuf[0] & 0x0F)) << 8; + data = (rxbuf[1] | rxbuf[0] << 8) & + ((1 << st->chip_info->bits) - 1); } else { /* Get reading */ data = i2c_master_recv(client, rxbuf, 1); |