Commit 43c02ede authored by Yong Zhi's avatar Yong Zhi Committed by Mark Brown

ASoC: Intel: Add DMIC channel constraint for bxt machine

Add channel and rate constraints for Refcap and dmiccap devices
respectively.
Signed-off-by: default avatarYong Zhi <yong.zhi@intel.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 88b456b0
...@@ -37,6 +37,7 @@ enum { ...@@ -37,6 +37,7 @@ enum {
BXT_DPCM_AUDIO_PB = 0, BXT_DPCM_AUDIO_PB = 0,
BXT_DPCM_AUDIO_CP, BXT_DPCM_AUDIO_CP,
BXT_DPCM_AUDIO_REF_CP, BXT_DPCM_AUDIO_REF_CP,
BXT_DPCM_AUDIO_DMIC_CP,
BXT_DPCM_AUDIO_HDMI1_PB, BXT_DPCM_AUDIO_HDMI1_PB,
BXT_DPCM_AUDIO_HDMI2_PB, BXT_DPCM_AUDIO_HDMI2_PB,
BXT_DPCM_AUDIO_HDMI3_PB, BXT_DPCM_AUDIO_HDMI3_PB,
...@@ -252,6 +253,52 @@ static struct snd_soc_ops broxton_da7219_ops = { ...@@ -252,6 +253,52 @@ static struct snd_soc_ops broxton_da7219_ops = {
.hw_free = broxton_da7219_hw_free, .hw_free = broxton_da7219_hw_free,
}; };
static int broxton_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
struct snd_interval *channels = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_CHANNELS);
channels->min = channels->max = DUAL_CHANNEL;
return 0;
}
static int broxton_dmic_startup(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
runtime->hw.channels_max = DUAL_CHANNEL;
snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
&constraints_channels);
return snd_pcm_hw_constraint_list(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
}
static const struct snd_soc_ops broxton_dmic_ops = {
.startup = broxton_dmic_startup,
};
static const unsigned int rates_16000[] = {
16000,
};
static const struct snd_pcm_hw_constraint_list constraints_16000 = {
.count = ARRAY_SIZE(rates_16000),
.list = rates_16000,
};
static int broxton_refcap_startup(struct snd_pcm_substream *substream)
{
return snd_pcm_hw_constraint_list(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_RATE,
&constraints_16000);
};
static struct snd_soc_ops broxton_refcap_ops = {
.startup = broxton_refcap_startup,
};
/* broxton digital audio interface glue - connects codec <--> CPU */ /* broxton digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link broxton_dais[] = { static struct snd_soc_dai_link broxton_dais[] = {
/* Front End DAI links */ /* Front End DAI links */
...@@ -299,6 +346,21 @@ static struct snd_soc_dai_link broxton_dais[] = { ...@@ -299,6 +346,21 @@ static struct snd_soc_dai_link broxton_dais[] = {
.ignore_suspend = 1, .ignore_suspend = 1,
.nonatomic = 1, .nonatomic = 1,
.dynamic = 1, .dynamic = 1,
.ops = &broxton_refcap_ops,
},
[BXT_DPCM_AUDIO_DMIC_CP]
{
.name = "Bxt Audio DMIC cap",
.stream_name = "dmiccap",
.cpu_dai_name = "DMIC Pin",
.codec_name = "snd-soc-dummy",
.codec_dai_name = "snd-soc-dummy-dai",
.platform_name = "0000:00:0e.0",
.init = NULL,
.dpcm_capture = 1,
.nonatomic = 1,
.dynamic = 1,
.ops = &broxton_dmic_ops,
}, },
[BXT_DPCM_AUDIO_HDMI1_PB] [BXT_DPCM_AUDIO_HDMI1_PB]
{ {
...@@ -382,6 +444,7 @@ static struct snd_soc_dai_link broxton_dais[] = { ...@@ -382,6 +444,7 @@ static struct snd_soc_dai_link broxton_dais[] = {
.codec_dai_name = "dmic-hifi", .codec_dai_name = "dmic-hifi",
.platform_name = "0000:00:0e.0", .platform_name = "0000:00:0e.0",
.ignore_suspend = 1, .ignore_suspend = 1,
.be_hw_params_fixup = broxton_dmic_fixup,
.dpcm_capture = 1, .dpcm_capture = 1,
.no_pcm = 1, .no_pcm = 1,
}, },
......
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