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iio: inkern: fix channel read regression

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A recent "cleanup" broke IIO channel read outs and thereby thermal
mitigation on the Lenovo ThinkPad X13s by returning zero instead of the
expected IIO value type in iio_read_channel_processed_scale():

	thermal thermal_zone12: failed to read out thermal zone (-22)

Fixes: 3092bde731 ("iio: inkern: move to the cleanup.h magic")
Cc: Nuno Sa <nuno.sa@analog.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240530074416.13697-1-johan+linaro@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Johan Hovold 2024-05-30 09:44:16 +02:00 committed by Jonathan Cameron
parent 8844ed0a6e
commit 78f0dfa64c
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/inkern.c
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@ -721,7 +721,7 @@ int iio_read_channel_processed_scale(struct iio_channel *chan, int *val,
return ret;
*val *= scale;
return 0;
return ret;
} else {
ret = iio_channel_read(chan, val, NULL, IIO_CHAN_INFO_RAW);
if (ret < 0)