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iio: adc: stm32-dfsdm: Avoid dereferencing ->currentmode 

This is an internal variable of the core, let's use the
iio_buffer_enabled() helper which is exported for the following purpose:
telling if the current mode is a buffered mode, which is precisely what
this driver looks for.

Cc: Olivier Moysan <olivier.moysan@foss.st.com>
Cc: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://lore.kernel.org/r/20220207143840.707510-4-miquel.raynal@bootlin.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Miquel Raynal 2022-02-07 15:38:30 +01:00 committed by Jonathan Cameron
parent f4d7f88339
commit f8ac59f537
1 changed files with 2 additions and 3 deletions
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5
drivers/iio/adc/stm32-dfsdm-adc.c
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@ -466,8 +466,7 @@ static int stm32_dfsdm_channels_configure(struct iio_dev *indio_dev,
* In continuous mode, use fast mode configuration,
* if it provides a better resolution.
*/
if (adc->nconv == 1 && !trig &&
(indio_dev->currentmode & INDIO_BUFFER_SOFTWARE)) {
if (adc->nconv == 1 && !trig && iio_buffer_enabled(indio_dev)) {
if (fl->flo[1].res >= fl->flo[0].res) {
fl->fast = 1;
flo = &fl->flo[1];
@ -562,7 +561,7 @@ static int stm32_dfsdm_filter_configure(struct iio_dev *indio_dev,
cr1 = DFSDM_CR1_RCH(chan->channel);
/* Continuous conversions triggered by SPI clk in buffer mode */
if (indio_dev->currentmode & INDIO_BUFFER_SOFTWARE)
if (iio_buffer_enabled(indio_dev))
cr1 |= DFSDM_CR1_RCONT(1);
cr1 |= DFSDM_CR1_RSYNC(fl->sync_mode);