iio: accel: kx022a: 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: Matti Vaittinen <mazziesaccount@gmail.com>
Reviewed-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250217140135.896574-6-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/accel/kionix-kx022a.c b/drivers/iio/accel/kionix-kx022a.c
index 727e007c5fc109b35862ce1f3866c9a778742206..07dcf5f0599f5a76ddfea362013116ef2bb7fc50 100644 (file)
--- a/drivers/iio/accel/kionix-kx022a.c
+++ b/drivers/iio/accel/kionix-kx022a.c
@@ -577,13 +577,12 @@ static int kx022a_write_raw(struct iio_dev *idev,
         * issues if users trust the watermark to be reached within known
         * time-limit).
         */
-       ret = iio_device_claim_direct_mode(idev);
-       if (ret)
-               return ret;
+       if (!iio_device_claim_direct(idev))
+               return -EBUSY;
 
        ret = __kx022a_write_raw(idev, chan, val, val2, mask);
 
-       iio_device_release_direct_mode(idev);
+       iio_device_release_direct(idev);
 
        return ret;
 }
@@ -624,15 +623,14 @@ static int kx022a_read_raw(struct iio_dev *idev,
 
        switch (mask) {
        case IIO_CHAN_INFO_RAW:
-               ret = iio_device_claim_direct_mode(idev);
-               if (ret)
-                       return ret;
+               if (!iio_device_claim_direct(idev))
+                       return -EBUSY;
 
                mutex_lock(&data->mutex);
                ret = kx022a_get_axis(data, chan, val);
                mutex_unlock(&data->mutex);
 
-               iio_device_release_direct_mode(idev);
+               iio_device_release_direct(idev);
 
                return ret;