iio: humidity: hdc2010: 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: Eugene Zaikonnikov <ez@norphonic.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Link: https://patch.msgid.link/20250331121317.1694135-13-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/humidity/hdc2010.c b/drivers/iio/humidity/hdc2010.c
index f5867659e00fcea0f866191dbd7f234da88f4ab8..894a8b4ab193ca6fa0f0fa8c2e126d87bf766f4c 100644 (file)
--- a/drivers/iio/humidity/hdc2010.c
+++ b/drivers/iio/humidity/hdc2010.c
@@ -169,13 +169,12 @@ static int hdc2010_read_raw(struct iio_dev *indio_dev,
                        *val = hdc2010_get_heater_status(data);
                        return IIO_VAL_INT;
                }
-               ret = iio_device_claim_direct_mode(indio_dev);
-               if (ret)
-                       return ret;
+               if (!iio_device_claim_direct(indio_dev))
+                       return -EBUSY;
                mutex_lock(&data->lock);
                ret = hdc2010_get_prim_measurement_word(data, chan);
                mutex_unlock(&data->lock);
-               iio_device_release_direct_mode(indio_dev);
+               iio_device_release_direct(indio_dev);
                if (ret < 0)
                        return ret;
                *val = ret;
@@ -184,13 +183,12 @@ static int hdc2010_read_raw(struct iio_dev *indio_dev,
        case IIO_CHAN_INFO_PEAK: {
                int ret;
 
-               ret = iio_device_claim_direct_mode(indio_dev);
-               if (ret)
-                       return ret;
+               if (!iio_device_claim_direct(indio_dev))
+                       return -EBUSY;
                mutex_lock(&data->lock);
                ret = hdc2010_get_peak_measurement_byte(data, chan);
                mutex_unlock(&data->lock);
-               iio_device_release_direct_mode(indio_dev);
+               iio_device_release_direct(indio_dev);
                if (ret < 0)
                        return ret;
                /* Scaling up the value so we can use same offset as RAW */