iio: pressure: icp10100: 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.

Acked-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Link: https://patch.msgid.link/20250331121317.1694135-26-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/pressure/icp10100.c b/drivers/iio/pressure/icp10100.c
index 3e0bf5d31ad7a48a1df37361153819e5e81e6e53..1951c1cc84cf51a856dbabc0654801713046b0da 100644 (file)
--- a/drivers/iio/pressure/icp10100.c
+++ b/drivers/iio/pressure/icp10100.c
@@ -343,9 +343,8 @@ static int icp10100_read_raw_measures(struct iio_dev *indio_dev,
        uint32_t pressure_mPa;
        int ret;
 
-       ret = iio_device_claim_direct_mode(indio_dev);
-       if (ret)
-               return ret;
+       if (!iio_device_claim_direct(indio_dev))
+               return -EBUSY;
 
        ret = icp10100_get_measures(st, &raw_pressure, &raw_temp);
        if (ret)
@@ -370,7 +369,7 @@ static int icp10100_read_raw_measures(struct iio_dev *indio_dev,
        }
 
 error_release:
-       iio_device_release_direct_mode(indio_dev);
+       iio_device_release_direct(indio_dev);
        return ret;
 }
 
@@ -439,7 +438,6 @@ static int icp10100_write_raw(struct iio_dev *indio_dev,
 {
        struct icp10100_state *st = iio_priv(indio_dev);
        unsigned int mode;
-       int ret;
 
        switch (mask) {
        case IIO_CHAN_INFO_OVERSAMPLING_RATIO:
@@ -449,13 +447,12 @@ static int icp10100_write_raw(struct iio_dev *indio_dev,
                mode = ilog2(val);
                if (mode >= ICP10100_MODE_NB)
                        return -EINVAL;
-               ret = iio_device_claim_direct_mode(indio_dev);
-               if (ret)
-                       return ret;
+               if (!iio_device_claim_direct(indio_dev))
+                       return -EBUSY;
                mutex_lock(&st->lock);
                st->mode = mode;
                mutex_unlock(&st->lock);
-               iio_device_release_direct_mode(indio_dev);
+               iio_device_release_direct(indio_dev);
                return 0;
        default:
                return -EINVAL;