Unverified Commit e936619b authored by xuyuqing's avatar xuyuqing Committed by Mark Brown
Browse files

ASoC: qcom: sc7180: Modify machine driver for sound card 



Bypass set jack because there is no jack on coachz.
Create route for dmic.

Signed-off-by: default avatarxuyuqing <xuyuqing@huaqin.corp-partner.google.com>
Link: https://lore.kernel.org/r/20201112014328.695232-3-xuyuqing@huaqin.corp-partner.google.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 80e2b120

sound/soc/qcom/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -145,6 +145,7 @@ config SND_SOC_SC7180 
	select SND_SOC_LPASS_SC7180

	select SND_SOC_MAX98357A

	select SND_SOC_RT5682_I2C

	select SND_SOC_ADAU7002

	help

	  To add support for audio on Qualcomm Technologies Inc.

	  SC7180 SoC-based systems.

sound/soc/qcom/sc7180.c

+73 −13
Original line number Diff line number Diff line
@@ -221,16 +221,69 @@ static void sc7180_snd_shutdown(struct snd_pcm_substream *substream) 
	}

}



static int sc7180_adau7002_init(struct snd_soc_pcm_runtime *rtd)

{

	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);



	switch (cpu_dai->id) {

	case MI2S_PRIMARY:

		return 0;

	case MI2S_SECONDARY:

		return 0;

	case LPASS_DP_RX:

		return sc7180_hdmi_init(rtd);

	default:

		dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,

			cpu_dai->id);

		return -EINVAL;

	}

	return 0;

}



static int sc7180_adau7002_snd_startup(struct snd_pcm_substream *substream)

{

	struct snd_soc_pcm_runtime *rtd = substream->private_data;

	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);

	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);



	switch (cpu_dai->id) {

	case MI2S_PRIMARY:

		snd_soc_dai_set_fmt(codec_dai,

				    SND_SOC_DAIFMT_CBS_CFS |

				    SND_SOC_DAIFMT_NB_NF |

				    SND_SOC_DAIFMT_I2S);



		break;

	case MI2S_SECONDARY:

		break;

	case LPASS_DP_RX:

		break;

	default:

		dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,

			cpu_dai->id);

		return -EINVAL;

	}

	return 0;

}



static const struct snd_soc_ops sc7180_ops = {

	.startup = sc7180_snd_startup,

	.shutdown = sc7180_snd_shutdown,

};



static const struct snd_soc_ops sc7180_adau7002_ops = {

	.startup = sc7180_adau7002_snd_startup,

};



static const struct snd_soc_dapm_widget sc7180_snd_widgets[] = {

	SND_SOC_DAPM_HP("Headphone Jack", NULL),

	SND_SOC_DAPM_MIC("Headset Mic", NULL),

};



static const struct snd_soc_dapm_widget sc7180_adau7002_snd_widgets[] = {

	SND_SOC_DAPM_MIC("DMIC", NULL),

};



static const char * const dmic_mux_text[] = {

	"Front Mic",

	"Rear Mic",
@@ -255,23 +308,15 @@ static const struct snd_soc_dapm_route sc7180_snd_dual_mic_audio_route[] = { 
	{"Dmic Mux", "Rear Mic", "DMIC"},

};



static void sc7180_add_ops(struct snd_soc_card *card)

{

	struct snd_soc_dai_link *link;

	int i;



	for_each_card_prelinks(card, i, link) {

		link->ops = &sc7180_ops;

		link->init = sc7180_init;

	}

}



static int sc7180_snd_platform_probe(struct platform_device *pdev)

{

	struct snd_soc_card *card;

	struct sc7180_snd_data *data;

	struct device *dev = &pdev->dev;

	struct snd_soc_dai_link *link;

	int ret;

	int i;

	bool no_headphone;



	/* Allocate the private data */

	data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
@@ -299,17 +344,32 @@ static int sc7180_snd_platform_probe(struct platform_device *pdev) 
		}

	}



	if (of_device_is_compatible(dev->of_node, "google,sc7180-coachz")) {

		no_headphone = true;

		card->dapm_widgets = sc7180_adau7002_snd_widgets;

		card->num_dapm_widgets = ARRAY_SIZE(sc7180_adau7002_snd_widgets);

	}



	ret = qcom_snd_parse_of(card);

	if (ret)

		return ret;



	sc7180_add_ops(card);

	for_each_card_prelinks(card, i, link) {

		if (no_headphone) {

			link->ops = &sc7180_adau7002_ops;

			link->init = sc7180_adau7002_init;

		} else {

			link->ops = &sc7180_ops;

			link->init = sc7180_init;

		}

	}



	return devm_snd_soc_register_card(dev, card);

}



static const struct of_device_id sc7180_snd_device_id[]  = {

	{.compatible = "google,sc7180-trogdor"},

	{.compatible = "google,sc7180-coachz"},

	{},

};

MODULE_DEVICE_TABLE(of, sc7180_snd_device_id);