diff options
Diffstat (limited to 'drivers/iio/adc/max1027.c')
| -rw-r--r-- | drivers/iio/adc/max1027.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/iio/adc/max1027.c b/drivers/iio/adc/max1027.c index 214883458582..6cdfe9ef73fc 100644 --- a/drivers/iio/adc/max1027.c +++ b/drivers/iio/adc/max1027.c @@ -309,8 +309,11 @@ static int max1027_debugfs_reg_access(struct iio_dev *indio_dev, struct max1027_state *st = iio_priv(indio_dev); u8 *val = (u8 *)st->buffer; - if (readval != NULL) - return -EINVAL; + if (readval) { + int ret = spi_read(st->spi, val, 2); + *readval = be16_to_cpu(st->buffer[0]); + return ret; + } *val = (u8)writeval; return spi_write(st->spi, val, 1); |