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staging: iio: resolver: ad2s1210: fix not restoring sample gpio in channel read

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In theory, this code path should not be reachable because of the
previous switch statement. But just in case we should make sure we
are restoring the SAMPLE gpio to its original state before returning
in addition to releasing the mutex lock.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20230921144400.62380-5-dlechner@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
David Lechner
2023-09-21 09:43:45 -05:00
committed by Jonathan Cameron
parent c78a96ab0f
commit 5e99f692d4
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/iio/resolver/ad2s1210.c
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@@ -510,8 +510,8 @@ static int ad2s1210_read_raw(struct iio_dev *indio_dev,
ret = IIO_VAL_INT;
break;
default:
mutex_unlock(&st->lock);
return -EINVAL;
ret = -EINVAL;
break;
}
error_ret: