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ASoC: rockchip: Add support for DMIC codec 

Add support for optional dmic codec.

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jeffy Chen 2017-08-24 12:52:26 +08:00 committed by Mark Brown
parent 3313faf105
commit 626d84db64
2 changed files with 37 additions and 0 deletions
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1
sound/soc/rockchip/Kconfig
View File

@ -69,6 +69,7 @@ config SND_SOC_RK3399_GRU_SOUND
select SND_SOC_DA7219
select SND_SOC_RT5514_SPI
select SND_SOC_HDMI_CODEC
select SND_SOC_DMIC
help
Say Y or M here if you want to add support multiple codecs for SoC
audio on Rockchip RK3399 GRU boards.

36
sound/soc/rockchip/rk3399_gru_sound.c
View File

@ -267,6 +267,28 @@ static int rockchip_sound_cdndp_hw_params(struct snd_pcm_substream *substream,
return 0;
}
static int rockchip_sound_dmic_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
unsigned int mclk;
int ret;
mclk = params_rate(params) * SOUND_FS;
ret = snd_soc_dai_set_sysclk(rtd->cpu_dai, 0, mclk, 0);
if (ret) {
dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
__func__, mclk, ret);
return ret;
}
/* Wait for DMIC stable */
msleep(dmic_wakeup_delay);
return 0;
}
static const struct snd_soc_ops rockchip_sound_max98357a_ops = {
.hw_params = rockchip_sound_max98357a_hw_params,
};
@ -283,6 +305,10 @@ static struct snd_soc_ops rockchip_sound_cdndp_ops = {
.hw_params = rockchip_sound_cdndp_hw_params,
};
static struct snd_soc_ops rockchip_sound_dmic_ops = {
.hw_params = rockchip_sound_dmic_hw_params,
};
static struct snd_soc_card rockchip_sound_card = {
.name = "rk3399-gru-sound",
.owner = THIS_MODULE,
@ -297,6 +323,7 @@ static struct snd_soc_card rockchip_sound_card = {
enum {
DAILINK_CDNDP,
DAILINK_DA7219,
DAILINK_DMIC,
DAILINK_MAX98357A,
DAILINK_RT5514,
DAILINK_RT5514_DSP,
@ -305,6 +332,7 @@ enum {
static const char * const dailink_compat[] = {
[DAILINK_CDNDP] = "rockchip,rk3399-cdn-dp",
[DAILINK_DA7219] = "dlg,da7219",
[DAILINK_DMIC] = "dmic-codec",
[DAILINK_MAX98357A] = "maxim,max98357a",
[DAILINK_RT5514] = "realtek,rt5514-i2c",
[DAILINK_RT5514_DSP] = "realtek,rt5514-spi",
@ -329,6 +357,14 @@ static const struct snd_soc_dai_link rockchip_dais[] = {
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
},
[DAILINK_DMIC] = {
.name = "DMIC",
.stream_name = "DMIC PCM",
.codec_dai_name = "dmic-hifi",
.ops = &rockchip_sound_dmic_ops,
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
},
[DAILINK_MAX98357A] = {
.name = "MAX98357A",
.stream_name = "MAX98357A PCM",