iio: adc: ad7791: Switch to sparse friendly iio_device_claim/release_direct()

These new functions allow sparse to find failures to release
direct mode reducing chances of bugs over the claim_direct_mode()
functions that are deprecated

Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250217141630.897334-17-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/ad7791.c b/drivers/iio/adc/ad7791.c
index e49d4843f304c3d9386e48869543f23fb23dbaa2..597c2686ffa4855a0fdd9a18edbefe4dc1a164f2 100644 (file)
--- a/drivers/iio/adc/ad7791.c
+++ b/drivers/iio/adc/ad7791.c
@@ -343,13 +343,12 @@ static int ad7791_write_raw(struct iio_dev *indio_dev,
 {
        int ret;
 
-       ret = iio_device_claim_direct_mode(indio_dev);
-       if (ret)
-               return ret;
+       if (!iio_device_claim_direct(indio_dev))
+               return -EBUSY;
 
        ret = __ad7791_write_raw(indio_dev, chan, val, val2, mask);
 
-       iio_device_release_direct_mode(indio_dev);
+       iio_device_release_direct(indio_dev);
        return ret;
 }