ASoC: qcom: sc7180: Modify machine driver for sound card (e936619b) · Commits · 戴 / test

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);

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