On Thu, 21 Mar 2019 17:47:26 +0100 Fabrice Gasnier <[email protected]> wrote:
> Optionally enable IIO hw consumer, when provided (e.g. for DFSDM_IIO type). > This is precursor patch to introduce buffer modes. > > Signed-off-by: Fabrice Gasnier <[email protected]> Applied, Thanks, Jonathan > --- > drivers/iio/adc/stm32-dfsdm-adc.c | 14 +++++++++++++- > 1 file changed, 13 insertions(+), 1 deletion(-) > > diff --git a/drivers/iio/adc/stm32-dfsdm-adc.c > b/drivers/iio/adc/stm32-dfsdm-adc.c > index 66e2ea0..b491424 100644 > --- a/drivers/iio/adc/stm32-dfsdm-adc.c > +++ b/drivers/iio/adc/stm32-dfsdm-adc.c > @@ -630,9 +630,15 @@ static int stm32_dfsdm_postenable(struct iio_dev > *indio_dev) > /* Reset adc buffer index */ > adc->bufi = 0; > > + if (adc->hwc) { > + ret = iio_hw_consumer_enable(adc->hwc); > + if (ret < 0) > + return ret; > + } > + > ret = stm32_dfsdm_start_dfsdm(adc->dfsdm); > if (ret < 0) > - return ret; > + goto err_stop_hwc; > > ret = stm32_dfsdm_adc_dma_start(indio_dev); > if (ret) { > @@ -652,6 +658,9 @@ static int stm32_dfsdm_postenable(struct iio_dev > *indio_dev) > stm32_dfsdm_adc_dma_stop(indio_dev); > stop_dfsdm: > stm32_dfsdm_stop_dfsdm(adc->dfsdm); > +err_stop_hwc: > + if (adc->hwc) > + iio_hw_consumer_disable(adc->hwc); > > return ret; > } > @@ -667,6 +676,9 @@ static int stm32_dfsdm_predisable(struct iio_dev > *indio_dev) > > stm32_dfsdm_stop_dfsdm(adc->dfsdm); > > + if (adc->hwc) > + iio_hw_consumer_disable(adc->hwc); > + > return 0; > } >
