iio: magnetometer: rm3100: 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: David Lechner <dlechner@baylibre.com>
Reviewed-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Link: https://patch.msgid.link/20250331121317.1694135-24-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/magnetometer/rm3100-core.c b/drivers/iio/magnetometer/rm3100-core.c
index c99694a77a1418bcc5a8bd047552e7604e9ae559..e5162ee64e01fce423fc593edc171daeb2c213a6 100644 (file)
--- a/drivers/iio/magnetometer/rm3100-core.c
+++ b/drivers/iio/magnetometer/rm3100-core.c
@@ -399,12 +399,11 @@ static int rm3100_read_raw(struct iio_dev *indio_dev,
 
        switch (mask) {
        case IIO_CHAN_INFO_RAW:
-               ret = iio_device_claim_direct_mode(indio_dev);
-               if (ret < 0)
-                       return ret;
+               if (!iio_device_claim_direct(indio_dev))
+                       return -EBUSY;
 
                ret = rm3100_read_mag(data, chan->scan_index, val);
-               iio_device_release_direct_mode(indio_dev);
+               iio_device_release_direct(indio_dev);
 
                return ret;
        case IIO_CHAN_INFO_SCALE: