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@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); }