Print read and expected device ID as debug warning. Add error check for ad_sd_init() result. Signed-off-by: Markus Burri <markus.burri@xxxxxx> --- drivers/iio/adc/ad7192.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/iio/adc/ad7192.c b/drivers/iio/adc/ad7192.c index d71977b..220c3b7 100644 --- a/drivers/iio/adc/ad7192.c +++ b/drivers/iio/adc/ad7192.c @@ -403,8 +403,8 @@ static int ad7192_setup(struct ad7192_state *st, struct device_node *np) id &= AD7192_ID_MASK; if (id != st->chip_info->chip_id) - dev_warn(&st->sd.spi->dev, "device ID query failed (0x%X)\n", - id); + dev_warn(&st->sd.spi->dev, "device ID query failed (0x%X != 0x%X)\n", + id, st->chip_info->chip_id); st->mode = AD7192_MODE_SEL(AD7192_MODE_IDLE) | AD7192_MODE_CLKSRC(st->clock_sel) | @@ -1049,7 +1049,9 @@ static int ad7192_probe(struct spi_device *spi) else indio_dev->info = &ad7192_info; - ad_sd_init(&st->sd, indio_dev, spi, &ad7192_sigma_delta_info); + ret = ad_sd_init(&st->sd, indio_dev, spi, &ad7192_sigma_delta_info); + if (ret) + return ret; ret = devm_ad_sd_setup_buffer_and_trigger(&spi->dev, indio_dev); if (ret) -- 2.39.2
