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iio: chemical: scd4x: Switch to sparse friendly iio_device_claim/release_direct()

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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: Roan van Dijk <roan@protonic.nl>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Link: https://patch.msgid.link/20250331121317.1694135-6-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Jonathan Cameron 2025-03-31 13:12:45 +01:00
parent 3976dc8323
commit ba22e78635
1 changed files with 3 additions and 4 deletions
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7
drivers/iio/chemical/scd4x.c
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@ -358,15 +358,14 @@ static int scd4x_read_raw(struct iio_dev *indio_dev,
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(&state->lock);
ret = scd4x_read_channel(state, chan->address);
mutex_unlock(&state->lock);
iio_device_release_direct_mode(indio_dev);
iio_device_release_direct(indio_dev);
if (ret < 0)
return ret;