iio: adc: ad7606_spi: check error in ad7606B_sw_mode_config()

Add missing error check in ad7606B_sw_mode_config().

Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250318-iio-adc-ad7606-improvements-v2-2-4b605427774c@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/ad7606_spi.c b/drivers/iio/adc/ad7606_spi.c
index 885bf0b68e7775c5f4a12dfb827f502d5f782e8c..c028e08efe2c82cd97249f98eec50a9a9c06471f 100644 (file)
--- a/drivers/iio/adc/ad7606_spi.c
+++ b/drivers/iio/adc/ad7606_spi.c
@@ -174,11 +174,13 @@ static int ad7616_sw_mode_config(struct iio_dev *indio_dev)
 static int ad7606B_sw_mode_config(struct iio_dev *indio_dev)
 {
        struct ad7606_state *st = iio_priv(indio_dev);
+       int ret;
 
        /* Configure device spi to output on a single channel */
-       st->bops->reg_write(st,
-                           AD7606_CONFIGURATION_REGISTER,
-                           AD7606_SINGLE_DOUT);
+       ret = st->bops->reg_write(st, AD7606_CONFIGURATION_REGISTER,
+                                 AD7606_SINGLE_DOUT);
+       if (ret)
+               return ret;
 
        /*
         * Scale can be configured individually for each channel