Unverified Commit 74ed9e9b authored by Mac Chiang's avatar Mac Chiang Committed by Mark Brown
Browse files

ASoc: Intel: board: add BE DAI link for WoV 



create dai link in kbl_da7219_max98357a driver for wake on voice
functionality.

changes picked from broonie's tree
commit 0c7941a6
("ASoC: Intel: Skylake: Use refcap device for mono recording")
commit 2154be36
("ASoc: Intel: boards: Add WOV as sink for nau88l25_ssm4567 machine")

Signed-off-by: default avatarMac Chiang <mac.chiang@intel.com>
Signed-off-by: default avatarVamshi Krishna Gopal <vamshi.krishna.gopal@intel.com>
Tested-by: default avatarKaiyen Chang <kaiyen.chang@intel.corp-partner.google.com>
Tested-by: default avatarluke yang <luke_yang@compal.corp-partner.google.com>
Tested-by: default avatarGrace Kao <grace.kao@intel.com>
Tested-by: default avatarKaiyen Chang <kaiyen.chang@intel.com>
Reviewed-by: default avatarCheng-Yi Chiang <cychiang@chromium.org>
Acked-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210405124835.71247-3-vamshi.krishna.gopal@intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent c7c19ec0

sound/soc/intel/boards/kbl_da7219_max98357a.c

+48 −0
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ struct kbl_codec_private { 
enum {

	KBL_DPCM_AUDIO_PB = 0,

	KBL_DPCM_AUDIO_CP,

	KBL_DPCM_AUDIO_REF_CP,

	KBL_DPCM_AUDIO_DMIC_CP,

	KBL_DPCM_AUDIO_HDMI1_PB,

	KBL_DPCM_AUDIO_HDMI2_PB,
@@ -338,12 +339,49 @@ static struct snd_soc_ops kabylake_dmic_ops = { 
	.startup = kabylake_dmic_startup,

};



static unsigned int rates_16000[] = {

        16000,

};



static const struct snd_pcm_hw_constraint_list constraints_16000 = {

        .count = ARRAY_SIZE(rates_16000),

        .list  = rates_16000,

};



static const unsigned int ch_mono[] = {

	1,

};



static const struct snd_pcm_hw_constraint_list constraints_refcap = {

	.count = ARRAY_SIZE(ch_mono),

	.list  = ch_mono,

};



static int kabylake_refcap_startup(struct snd_pcm_substream *substream)

{

	substream->runtime->hw.channels_max = 1;

	snd_pcm_hw_constraint_list(substream->runtime, 0,

					SNDRV_PCM_HW_PARAM_CHANNELS,

					&constraints_refcap);



	return snd_pcm_hw_constraint_list(substream->runtime, 0,

					SNDRV_PCM_HW_PARAM_RATE,

					&constraints_16000);

}



static struct snd_soc_ops skylake_refcap_ops = {

	.startup = kabylake_refcap_startup,

};



SND_SOC_DAILINK_DEF(dummy,

	DAILINK_COMP_ARRAY(COMP_DUMMY()));



SND_SOC_DAILINK_DEF(system,

	DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));



SND_SOC_DAILINK_DEF(reference,

	DAILINK_COMP_ARRAY(COMP_CPU("Reference Pin")));



SND_SOC_DAILINK_DEF(dmic,

	DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin")));
@@ -418,6 +456,16 @@ static struct snd_soc_dai_link kabylake_dais[] = { 
		.ops = &kabylake_da7219_fe_ops,

		SND_SOC_DAILINK_REG(system, dummy, platform),

	},

	[KBL_DPCM_AUDIO_REF_CP] = {

		.name = "Kbl Audio Reference cap",

		.stream_name = "Wake on Voice",

		.init = NULL,

		.dpcm_capture = 1,

		.nonatomic = 1,

		.dynamic = 1,

		.ops = &skylake_refcap_ops,

		SND_SOC_DAILINK_REG(reference, dummy, platform),

	},

	[KBL_DPCM_AUDIO_DMIC_CP] = {

		.name = "Kbl Audio DMIC cap",

		.stream_name = "dmiccap",