[alsa-devel] [PATCH v5 02/10] ASoC: imx-pcm-dma: DT support
Markus Pargmann
mpa at pengutronix.de
Wed Apr 24 16:36:31 CEST 2013
This patch adds the possibility to pass a of_node as platform_data which
is used by generic-pcm-dma to request a DMA slave channel.
Signed-off-by: Markus Pargmann <mpa at pengutronix.de>
---
Notes:
Changes in v5:
- Use dev.parent pointer to get the of_node.
sound/soc/fsl/imx-pcm-dma.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/sound/soc/fsl/imx-pcm-dma.c b/sound/soc/fsl/imx-pcm-dma.c
index c246fb5..f9577e1 100644
--- a/sound/soc/fsl/imx-pcm-dma.c
+++ b/sound/soc/fsl/imx-pcm-dma.c
@@ -62,9 +62,11 @@ static const struct snd_dmaengine_pcm_config imx_dmaengine_pcm_config = {
int imx_pcm_dma_init(struct platform_device *pdev)
{
+ if (pdev->dev.parent)
+ pdev->dev.of_node = pdev->dev.parent->of_node;
+
return snd_dmaengine_pcm_register(&pdev->dev, &imx_dmaengine_pcm_config,
SND_DMAENGINE_PCM_FLAG_NO_RESIDUE |
- SND_DMAENGINE_PCM_FLAG_NO_DT |
SND_DMAENGINE_PCM_FLAG_COMPAT);
}
--
1.8.1.5
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