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Commit 4386b767 authored by Jeeja KP's avatar Jeeja KP Committed by Mark Brown
Browse files

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: default avatarDharageswari.R <dharageswari.r@intel.com>
Signed-off-by: default avatarJeeja KP <jeeja.kp@intel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 7d9f2911

sound/soc/intel/boards/skl_rt286.c

+51 −0
Original line number Diff line number Diff line
@@ -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,