diff options
| author | Jeeja KP <jeeja.kp@intel.com> | 2015-12-03 23:29:57 +0530 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-12-08 17:57:51 +0000 |
| commit | 4386b76753c49dfdb940c0e5eeef09b61feaf712 (patch) | |
| tree | 32152d71627a0d78e2387e2895913c40876de6e4 /sound/soc/intel/boards/skl_rt286.c | |
| parent | 7d9f29119d3e4db6ae817881d8e305650424032c (diff) | |
| download | linux-4386b76753c49dfdb940c0e5eeef09b61feaf712.tar.bz2 | |
ASoC: Intel: Skylake: Add dai link for DMIC capture
Since in Skylake we support another DAI for DMIC quad capture,
add a dailink for this as well. Also specify constrains for DMIC
FE devices and fixup for DMIC BEs
Signed-off-by: Dharageswari.R <dharageswari.r@intel.com>
Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/intel/boards/skl_rt286.c')
| -rw-r--r-- | sound/soc/intel/boards/skl_rt286.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/skl_rt286.c b/sound/soc/intel/boards/skl_rt286.c index 57333a476136..e4fc8a1ce471 100644 --- a/sound/soc/intel/boards/skl_rt286.c +++ b/sound/soc/intel/boards/skl_rt286.c @@ -190,6 +190,42 @@ static struct snd_soc_ops skylake_rt286_ops = { .hw_params = skylake_rt286_hw_params, }; +static int skylake_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 = 4; + + return 0; +} + +static unsigned int channels_dmic[] = { + 2, 4, +}; + +static struct snd_pcm_hw_constraint_list constraints_dmic_channels = { + .count = ARRAY_SIZE(channels_dmic), + .list = channels_dmic, + .mask = 0, +}; + +static int skylake_dmic_startup(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + + runtime->hw.channels_max = 4; + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, + &constraints_dmic_channels); + + return snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); +} + +static struct snd_soc_ops skylake_dmic_ops = { + .startup = skylake_dmic_startup, +}; + /* skylake digital audio interface glue - connects codec <--> CPU */ static struct snd_soc_dai_link skylake_rt286_dais[] = { /* Front End DAI links */ @@ -238,6 +274,20 @@ static struct snd_soc_dai_link skylake_rt286_dais[] = { .nonatomic = 1, .dynamic = 1, }, + { + .name = "Skl 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 = "0000:00:1f.3", + .init = NULL, + .dpcm_capture = 1, + .ignore_suspend = 1, + .nonatomic = 1, + .dynamic = 1, + .ops = &skylake_dmic_ops, + }, /* Back End DAI links */ { @@ -267,6 +317,7 @@ static struct snd_soc_dai_link skylake_rt286_dais[] = { .codec_name = "dmic-codec", .codec_dai_name = "dmic-hifi", .platform_name = "0000:00:1f.3", + .be_hw_params_fixup = skylake_dmic_fixup, .ignore_suspend = 1, .dpcm_capture = 1, .no_pcm = 1, |