redonkable/alistair23-linux
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ASoc: DaVinci: i2s, minor cleanup

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Add davinci_mcbsp_dev as argument to davinci_mcbsp_start
and davinci_mcbsp_stop.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Troy Kisky 2009-07-04 19:29:53 -07:00 committed by Mark Brown
parent c392bec716
commit f9af37cc63
1 changed files with 8 additions and 8 deletions
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16
sound/soc/davinci/davinci-i2s.c
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@ -130,10 +130,10 @@ static void toggle_clock(struct davinci_mcbsp_dev *dev, int playback)
davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_PCR_REG, dev->pcr); davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_PCR_REG, dev->pcr);
} }
static void davinci_mcbsp_start(struct snd_pcm_substream *substream) static void davinci_mcbsp_start(struct davinci_mcbsp_dev *dev,
struct snd_pcm_substream *substream)
{ {
struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct davinci_mcbsp_dev *dev = rtd->dai->cpu_dai->private_data;
struct snd_soc_device *socdev = rtd->socdev; struct snd_soc_device *socdev = rtd->socdev;
struct snd_soc_platform *platform = socdev->card->platform; struct snd_soc_platform *platform = socdev->card->platform;
int playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK); int playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
@ -202,12 +202,9 @@ static void davinci_mcbsp_start(struct snd_pcm_substream *substream)
davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_SPCR_REG, spcr); davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_SPCR_REG, spcr);
} }
static void davinci_mcbsp_stop(struct snd_pcm_substream *substream) static void davinci_mcbsp_stop(struct davinci_mcbsp_dev *dev, int playback)
{ {
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct davinci_mcbsp_dev *dev = rtd->dai->cpu_dai->private_data;
u32 spcr; u32 spcr;
int playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
/* Reset transmitter/receiver and sample rate/frame sync generators */ /* Reset transmitter/receiver and sample rate/frame sync generators */
spcr = davinci_mcbsp_read_reg(dev, DAVINCI_MCBSP_SPCR_REG); spcr = davinci_mcbsp_read_reg(dev, DAVINCI_MCBSP_SPCR_REG);
@ -427,18 +424,21 @@ static int davinci_i2s_hw_params(struct snd_pcm_substream *substream,
static int davinci_i2s_trigger(struct snd_pcm_substream *substream, int cmd, static int davinci_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai) struct snd_soc_dai *dai)
{ {
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct davinci_mcbsp_dev *dev = rtd->dai->cpu_dai->private_data;
int ret = 0; int ret = 0;
int playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
switch (cmd) { switch (cmd) {
case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
davinci_mcbsp_start(substream); davinci_mcbsp_start(dev, substream);
break; break;
case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH: case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
davinci_mcbsp_stop(substream); davinci_mcbsp_stop(dev, playback);
break; break;
default: default:
ret = -EINVAL; ret = -EINVAL;