iio: pressure: zpa2326: 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/20250331121317.1694135-31-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/pressure/zpa2326.c b/drivers/iio/pressure/zpa2326.c
index 9db1c94dfc188f21854c6ec636dd9f37ab391578..0a510d5fc1d40ef1e13fff4afd09b2cf6daa62a0 100644 (file)
--- a/drivers/iio/pressure/zpa2326.c
+++ b/drivers/iio/pressure/zpa2326.c
@@ -1062,9 +1062,8 @@ static int zpa2326_sample_oneshot(struct iio_dev     *indio_dev,
        int                     ret;
        struct zpa2326_private *priv;
 
-       ret = iio_device_claim_direct_mode(indio_dev);
-       if (ret)
-               return ret;
+       if (!iio_device_claim_direct(indio_dev))
+               return -EBUSY;
 
        ret = zpa2326_resume(indio_dev);
        if (ret < 0)
@@ -1120,7 +1119,7 @@ static int zpa2326_sample_oneshot(struct iio_dev     *indio_dev,
 suspend:
        zpa2326_suspend(indio_dev);
 release:
-       iio_device_release_direct_mode(indio_dev);
+       iio_device_release_direct(indio_dev);
 
        return ret;
 }
@@ -1438,7 +1437,6 @@ static int zpa2326_set_frequency(struct iio_dev *indio_dev, int hz)
 {
        struct zpa2326_private *priv = iio_priv(indio_dev);
        int                     freq;
-       int                     err;
 
        /* Check if requested frequency is supported. */
        for (freq = 0; freq < ARRAY_SIZE(zpa2326_sampling_frequencies); freq++)
@@ -1448,13 +1446,12 @@ static int zpa2326_set_frequency(struct iio_dev *indio_dev, int hz)
                return -EINVAL;
 
        /* Don't allow changing frequency if buffered sampling is ongoing. */
-       err = iio_device_claim_direct_mode(indio_dev);
-       if (err)
-               return err;
+       if (!iio_device_claim_direct(indio_dev))
+               return -EBUSY;
 
        priv->frequency = &zpa2326_sampling_frequencies[freq];
 
-       iio_device_release_direct_mode(indio_dev);
+       iio_device_release_direct(indio_dev);
 
        return 0;
 }