diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iio/dac/adi-axi-dac.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/iio/dac/adi-axi-dac.c b/drivers/iio/dac/adi-axi-dac.c index 009fb987e1af..892d770aec69 100644 --- a/drivers/iio/dac/adi-axi-dac.c +++ b/drivers/iio/dac/adi-axi-dac.c @@ -728,6 +728,9 @@ static int axi_dac_bus_set_io_mode(struct iio_backend *back, struct axi_dac_state *st = iio_backend_get_priv(back); int ival, ret; + if (mode > AD3552R_IO_MODE_QSPI) + return -EINVAL; + guard(mutex)(&st->lock); ret = regmap_update_bits(st->regmap, AXI_DAC_CUSTOM_CTRL_REG, |