Commit 1d8222e8 authored by Grant Likely's avatar Grant Likely Committed by Mark Brown
Browse files

ASoC/mpc5200: add to_psc_dma_stream() helper 



Move the resolving of the psc_dma_stream pointer to a helper function
to reduce duplicate code

Signed-off-by: default avatarGrant Likely <grant.likely@secretlab.ca>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent c4878274

sound/soc/fsl/mpc5200_dma.c

+1 −6
Original line number Diff line number Diff line
@@ -133,17 +133,12 @@ static int psc_dma_trigger(struct snd_pcm_substream *substream, int cmd) 
	struct snd_soc_pcm_runtime *rtd = substream->private_data;

	struct psc_dma *psc_dma = rtd->dai->cpu_dai->private_data;

	struct snd_pcm_runtime *runtime = substream->runtime;

	struct psc_dma_stream *s;

	struct psc_dma_stream *s = to_psc_dma_stream(substream, psc_dma);

	struct mpc52xx_psc __iomem *regs = psc_dma->psc_regs;

	u16 imr;

	unsigned long flags;

	int i;



	if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE)

		s = &psc_dma->capture;

	else

		s = &psc_dma->playback;



	switch (cmd) {

	case SNDRV_PCM_TRIGGER_START:

		dev_dbg(psc_dma->dev, "START: stream=%i fbits=%u ps=%u #p=%u\n",

sound/soc/fsl/mpc5200_dma.h

+9 −0
Original line number Diff line number Diff line
@@ -68,6 +68,15 @@ struct psc_dma { 
	} stats;

};



/* Utility for retrieving psc_dma_stream structure from a substream */

inline struct psc_dma_stream *

to_psc_dma_stream(struct snd_pcm_substream *substream, struct psc_dma *psc_dma)

{

	if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE)

		return &psc_dma->capture;

	return &psc_dma->playback;

}



int mpc5200_audio_dma_create(struct of_device *op);

int mpc5200_audio_dma_destroy(struct of_device *op);

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