Commit 341826a0 authored Nov 04, 2019 by Beniamin Bia Committed by Jonathan Cameron Dec 08, 2019

iio: adc: ad7606: fix reading unnecessary data from device



When a conversion result is being read from ADC, the driver reads the
number of channels + 1 because it thinks that IIO_CHAN_SOFT_TIMESTAMP
is also a physical channel. This patch fixes this issue.

Fixes: 2985a5d8 ("staging: iio: adc: ad7606: Move out of staging")
Reported-by: Robert Wörle <rwoerle@mibtec.de>
Signed-off-by: Beniamin Bia <beniamin.bia@analog.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

parent 2611045e

drivers/iio/adc/ad7606.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -85,7 +85,7 @@ err_unlock:

		static int ad7606_read_samples(struct ad7606_state *st)
		{
		unsigned int num = st->chip_info->num_channels;
		unsigned int num = st->chip_info->num_channels - 1;
		u16 *data = st->data;
		int ret;

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