iio: adc: ad7192: 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.

Cc: Alisa-Dariana Roman <alisa.roman@analog.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250217141630.897334-12-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/ad7192.c b/drivers/iio/adc/ad7192.c
index 785429900da86b3d3f77d6802965811085ffd5cd..f6150b905286f82683bf8d6532af557d054fba1b 100644 (file)
--- a/drivers/iio/adc/ad7192.c
+++ b/drivers/iio/adc/ad7192.c
@@ -694,9 +694,8 @@ static ssize_t ad7192_set(struct device *dev,
        if (ret < 0)
                return ret;
 
-       ret = iio_device_claim_direct_mode(indio_dev);
-       if (ret)
-               return ret;
+       if (!iio_device_claim_direct(indio_dev))
+               return -EBUSY;
 
        switch ((u32)this_attr->address) {
        case AD7192_REG_GPOCON:
@@ -719,7 +718,7 @@ static ssize_t ad7192_set(struct device *dev,
                ret = -EINVAL;
        }
 
-       iio_device_release_direct_mode(indio_dev);
+       iio_device_release_direct(indio_dev);
 
        return ret ? ret : len;
 }
@@ -1017,13 +1016,12 @@ static int ad7192_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 = __ad7192_write_raw(indio_dev, chan, val, val2, mask);
 
-       iio_device_release_direct_mode(indio_dev);
+       iio_device_release_direct(indio_dev);
 
        return ret;
 }