mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 12:43:55 +08:00
iio: adc: stm32-dfsdm: enable hw consumer
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 <fabrice.gasnier@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
parent
7464850873
commit
9491f75fe2
@ -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 @@ err_stop_dma:
|
||||
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;
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user