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[v2,1/5] iio: adc: ad7606: fix/persist oversampling_ratio setting

Message ID 20241025095939.271811-2-aardelean@baylibre.com (mailing list archive)
State Accepted
Headers show
Series iio: adc: ad7606: add support for AD760{7,8,9} parts | expand

Commit Message

Alexandru Ardelean Oct. 25, 2024, 9:59 a.m. UTC 
When the mutexes were reworked to guards, the caching of the
oversampling_ratio values was removed by accident.

The main effect of this change is that, after setting the
oversampling_ratio value, reading it back would result in the initial value
(of 1).
The value would get sent to the device correctly though.

Fixes 2956979dbd0d: ("iio: adc: ad7606: switch mutexes to guard")
Signed-off-by: Alexandru Ardelean <aardelean@baylibre.com>
---
 drivers/iio/adc/ad7606.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c
index 0e830a17fc19..ae49f4ba50d9 100644
--- a/drivers/iio/adc/ad7606.c
+++ b/drivers/iio/adc/ad7606.c
@@ -753,6 +753,7 @@  static int ad7606_write_raw(struct iio_dev *indio_dev,
 		ret = st->write_os(indio_dev, i);
 		if (ret < 0)
 			return ret;
+		st->oversampling = st->oversampling_avail[i];
 
 		return 0;
 	case IIO_CHAN_INFO_SAMP_FREQ: