From: Olivier Moysan <olivier.moysan@st.com>
Date: Wed, 27 Nov 2019 13:07:29 +0000 (+0100)
Subject: iio: adc: stm32-dfsdm: fix single conversion
X-Git-Tag: v5.4.17~87
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=a6d19450c3145dd106fc88edc2dea7635856ddf3;p=arm%2Flinux.git

iio: adc: stm32-dfsdm: fix single conversion

commit dc26935fb60e8da8d59655dd2ec0de47b20d7d8f upstream.

Apply data formatting to single conversion,
as this is already done in continuous and trigger modes.

Fixes: 102afde62937 ("iio: adc: stm32-dfsdm: manage data resolution in trigger mode")

Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Cc: <Stable@vger.kernel.org>
Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/iio/adc/stm32-dfsdm-adc.c b/drivers/iio/adc/stm32-dfsdm-adc.c
index e493242c266e..0339ecdd06bd 100644
--- a/drivers/iio/adc/stm32-dfsdm-adc.c
+++ b/drivers/iio/adc/stm32-dfsdm-adc.c
@@ -1204,6 +1204,8 @@ static int stm32_dfsdm_single_conv(struct iio_dev *indio_dev,
 
 	stm32_dfsdm_stop_conv(adc);
 
+	stm32_dfsdm_process_data(adc, res);
+
 stop_dfsdm:
 	stm32_dfsdm_stop_dfsdm(adc->dfsdm);