diff options
Diffstat (limited to 'drivers/staging/iio/adc/ad7192.c')
| -rw-r--r-- | drivers/staging/iio/adc/ad7192.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c index f01595593ce2..079a8410d664 100644 --- a/drivers/staging/iio/adc/ad7192.c +++ b/drivers/staging/iio/adc/ad7192.c @@ -290,8 +290,12 @@ static int ad7192_setup(struct ad7192_state *st, if (pdata->unipolar_en) st->conf |= AD7192_CONF_UNIPOLAR; - if (pdata->burnout_curr_en) + if (pdata->burnout_curr_en && pdata->buf_en && !pdata->chop_en) { st->conf |= AD7192_CONF_BURN; + } else if (pdata->burnout_curr_en) { + dev_warn(&st->sd.spi->dev, + "Can't enable burnout currents: see CHOP or buffer\n"); + } ret = ad_sd_write_reg(&st->sd, AD7192_REG_MODE, 3, st->mode); if (ret) |