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authorDragos Bogdan <dragos.bogdan@analog.com>2019-03-19 12:47:00 +0200
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2019-03-24 17:51:03 +0000
commitfccfb9ce70ed4ea7a145f77b86de62e38178517f (patch)
tree86f711ddce2cd8272766cafabd639538d9885a60
parentf6a7bf2ccf22db3e1b936ebc03898f9c025c051e (diff)
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iio: ad_sigma_delta: select channel when reading register
The desired channel has to be selected in order to correctly fill the buffer with the corresponding data. The `ad_sd_write_reg()` already does this, but for the `ad_sd_read_reg_raw()` this was omitted. Fixes: af3008485ea03 ("iio:adc: Add common code for ADI Sigma Delta devices") Signed-off-by: Dragos Bogdan <dragos.bogdan@analog.com> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
-rw-r--r--drivers/iio/adc/ad_sigma_delta.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_delta.c
index ff5f2da2e1b1..54d9978b2740 100644
--- a/drivers/iio/adc/ad_sigma_delta.c
+++ b/drivers/iio/adc/ad_sigma_delta.c
@@ -121,6 +121,7 @@ static int ad_sd_read_reg_raw(struct ad_sigma_delta *sigma_delta,
if (sigma_delta->info->has_registers) {
data[0] = reg << sigma_delta->info->addr_shift;
data[0] |= sigma_delta->info->read_mask;
+ data[0] |= sigma_delta->comm;
spi_message_add_tail(&t[0], &m);
}
spi_message_add_tail(&t[1], &m);