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ASoC: pcm: Add soc_dai_hw_params helper

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Add a function helper to factorize the hw_params code.

Suggested by Lars-Peter Clausen <lars@metafoo.de>

Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
Tested-by: Lars-Peter Clausen <lars@metafoo.de>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Benoit Cousson 2014-07-08 23:19:38 +02:00 committed by Mark Brown
parent 8151d5e602
commit 93e6958a36
3 changed files with 36 additions and 39 deletions
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4
include/sound/soc.h
View File

@ -436,6 +436,10 @@ int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
int snd_soc_platform_trigger(struct snd_pcm_substream *substream,
int cmd, struct snd_soc_platform *platform);
int soc_dai_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai);
/* Jack reporting */
int snd_soc_jack_new(struct snd_soc_codec *codec, const char *id, int type,
struct snd_soc_jack *jack);

28
sound/soc/soc-dapm.c
View File

@ -3214,27 +3214,15 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
if (source->driver->ops && source->driver->ops->hw_params) {
substream.stream = SNDRV_PCM_STREAM_CAPTURE;
ret = source->driver->ops->hw_params(&substream,
params, source);
if (ret != 0) {
dev_err(source->dev,
"ASoC: hw_params() failed: %d\n", ret);
goto out;
}
}
substream.stream = SNDRV_PCM_STREAM_CAPTURE;
ret = soc_dai_hw_params(&substream, params, source);
if (ret < 0)
goto out;
if (sink->driver->ops && sink->driver->ops->hw_params) {
substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
ret = sink->driver->ops->hw_params(&substream, params,
sink);
if (ret != 0) {
dev_err(sink->dev,
"ASoC: hw_params() failed: %d\n", ret);
goto out;
}
}
substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
ret = soc_dai_hw_params(&substream, params, sink);
if (ret < 0)
goto out;
break;
case SND_SOC_DAPM_POST_PMU:

43
sound/soc/soc-pcm.c
View File

@ -789,6 +789,24 @@ static void soc_pcm_codec_params_fixup(struct snd_pcm_hw_params *params,
interval->max = channels;
}
int soc_dai_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
int ret;
if (dai->driver->ops && dai->driver->ops->hw_params) {
ret = dai->driver->ops->hw_params(substream, params, dai);
if (ret < 0) {
dev_err(dai->dev, "ASoC: can't set %s hw params: %d\n",
dai->name, ret);
return ret;
}
}
return 0;
}
/*
* Called by ALSA when the hardware params are set by application. This
* function can also be called multiple times and can allocate buffers
@ -832,17 +850,9 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
soc_pcm_codec_params_fixup(&codec_params,
codec_dai->rx_mask);
if (codec_dai->driver->ops &&
codec_dai->driver->ops->hw_params) {
ret = codec_dai->driver->ops->hw_params(substream,
&codec_params, codec_dai);
if (ret < 0) {
dev_err(codec_dai->dev,
"ASoC: can't set %s hw params: %d\n",
codec_dai->name, ret);
goto codec_err;
}
}
ret = soc_dai_hw_params(substream, &codec_params, codec_dai);
if(ret < 0)
goto codec_err;
codec_dai->rate = params_rate(&codec_params);
codec_dai->channels = params_channels(&codec_params);
@ -850,14 +860,9 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
params_format(&codec_params));
}
if (cpu_dai->driver->ops && cpu_dai->driver->ops->hw_params) {
ret = cpu_dai->driver->ops->hw_params(substream, params, cpu_dai);
if (ret < 0) {
dev_err(cpu_dai->dev, "ASoC: %s hw params failed: %d\n",
cpu_dai->name, ret);
goto interface_err;
}
}
ret = soc_dai_hw_params(substream, params, cpu_dai);
if (ret < 0)
goto interface_err;
if (platform->driver->ops && platform->driver->ops->hw_params) {
ret = platform->driver->ops->hw_params(substream, params);