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Commit 626d84db authored by Jeffy Chen's avatar Jeffy Chen Committed by Mark Brown
Browse files

ASoC: rockchip: Add support for DMIC codec 



Add support for optional dmic codec.

Signed-off-by: default avatarJeffy Chen <jeffy.chen@rock-chips.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 3313faf1

sound/soc/rockchip/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -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.

sound/soc/rockchip/rk3399_gru_sound.c

+36 −0
Original line number Diff line number Diff line
@@ -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",