iio: adc: max1027: 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: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://patch.msgid.link/20250217141630.897334-25-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/max1027.c b/drivers/iio/adc/max1027.c
index 3cab89464fb5233d8a518d46c030915acff7cef0..7e736e77d8bbfc345890d6aa272cb8a9931e54a2 100644 (file)
--- a/drivers/iio/adc/max1027.c
+++ b/drivers/iio/adc/max1027.c
@@ -378,12 +378,11 @@ static int max1027_read_raw(struct iio_dev *indio_dev,
 
        switch (mask) {
        case IIO_CHAN_INFO_RAW:
-               ret = iio_device_claim_direct_mode(indio_dev);
-               if (ret)
-                       return ret;
+               if (!iio_device_claim_direct(indio_dev))
+                       return -EBUSY;
 
                ret = max1027_read_single_value(indio_dev, chan, val);
-               iio_device_release_direct_mode(indio_dev);
+               iio_device_release_direct(indio_dev);
                return ret;
        case IIO_CHAN_INFO_SCALE:
                switch (chan->type) {