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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 0c7941a63a
("ASoC: Intel: Skylake: Use refcap device for mono recording")
commit 2154be362c
("ASoc: Intel: boards: Add WOV as sink for nau88l25_ssm4567 machine")

Signed-off-by: Mac Chiang <mac.chiang@intel.com>
Signed-off-by: Vamshi Krishna Gopal <vamshi.krishna.gopal@intel.com>
Tested-by: Kaiyen Chang <kaiyen.chang@intel.corp-partner.google.com>
Tested-by: luke yang <luke_yang@compal.corp-partner.google.com>
Tested-by: Grace Kao <grace.kao@intel.com>
Tested-by: Kaiyen Chang <kaiyen.chang@intel.com>
Reviewed-by: Cheng-Yi Chiang <cychiang@chromium.org>
Acked-by: Pierre-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: Mark Brown <broonie@kernel.org>
This commit is contained in:
Mac Chiang 2021-04-05 18:18:35 +05:30 committed by Mark Brown
parent c7c19ec098
commit 74ed9e9bfb
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 48 additions and 0 deletions
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48
sound/soc/intel/boards/kbl_da7219_max98357a.c
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@ -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",