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iio: buffer-dmaengine: Enable write support

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Use the iio_dma_buffer_write() and iio_dma_buffer_space_available()
functions provided by the buffer-dma core, to enable write support in
the buffer-dmaengine code.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240419-iio-backend-axi-dac-v4-5-5ca45b4de294@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Paul Cercueil 2024-04-19 10:25:38 +02:00 committed by Jonathan Cameron
parent c1b9156658
commit 3afb27d15f
1 changed files with 2 additions and 0 deletions
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drivers/iio/buffer/industrialio-buffer-dmaengine.c
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@ -123,12 +123,14 @@ static void iio_dmaengine_buffer_release(struct iio_buffer *buf)
static const struct iio_buffer_access_funcs iio_dmaengine_buffer_ops = {
.read = iio_dma_buffer_read,
.write = iio_dma_buffer_write,
.set_bytes_per_datum = iio_dma_buffer_set_bytes_per_datum,
.set_length = iio_dma_buffer_set_length,
.request_update = iio_dma_buffer_request_update,
.enable = iio_dma_buffer_enable,
.disable = iio_dma_buffer_disable,
.data_available = iio_dma_buffer_usage,
.space_available = iio_dma_buffer_usage,
.release = iio_dmaengine_buffer_release,
.modes = INDIO_BUFFER_HARDWARE,