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[118.167.210.180]) by smtp.gmail.com with ESMTPSA id k14-20020a170902d58e00b0017f59ebafe7sm8259345plh.212.2022.11.02.05.59.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Nov 2022 05:59:47 -0700 (PDT) From: Ajye Huang To: linux-kernel@vger.kernel.org Cc: Mark Brown , Liam Girdwood , Krzysztof Kozlowski , Rob Herring , linux-mediatek@lists.infradead.org, "chunxu . li" , Takashi Iwai , Jaroslav Kysela , Jiaxin Yu , Matthias Brugger , AngeloGioacchino Del Regno , Ajye Huang , =?utf-8?q?N=C3=ADco?= =?utf-8?q?las_F_=2E_R_=2E_A_=2E_Prado?= , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, alsa-devel@alsa-project.org Subject: [PATCH v6 1/2] ASoC: mediatek: dt-bindings: modify machine bindings for two MICs case Date: Wed, 2 Nov 2022 20:59:35 +0800 Message-Id: <20221102125936.2176748-2-ajye_huang@compal.corp-partner.google.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221102125936.2176748-1-ajye_huang@compal.corp-partner.google.com> References: <20221102125936.2176748-1-ajye_huang@compal.corp-partner.google.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221102_055949_641261_3CF633DB X-CRM114-Status: GOOD ( 12.68 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add a property "dmic-gpios" for switching between two MICs. Signed-off-by: Ajye Huang Reviewed-by: AngeloGioacchino Del Regno --- .../sound/mt8186-mt6366-rt1019-rt5682s.yaml | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/sound/mt8186-mt6366-rt1019-rt5682s.yaml b/Documentation/devicetree/bindings/sound/mt8186-mt6366-rt1019-rt5682s.yaml index 4fc5b045d3cf..9d3139990237 100644 --- a/Documentation/devicetree/bindings/sound/mt8186-mt6366-rt1019-rt5682s.yaml +++ b/Documentation/devicetree/bindings/sound/mt8186-mt6366-rt1019-rt5682s.yaml @@ -21,6 +21,13 @@ properties: $ref: "/schemas/types.yaml#/definitions/phandle" description: The phandle of MT8186 ASoC platform. + dmic-gpios: + maxItems: 1 + description: + dmic-gpios optional prop for switching between two DMICs. + Ex, the GPIO can control a MUX HW component to select + dmic clk and data form a Front or Rear dmic. + headset-codec: type: object additionalProperties: false @@ -63,14 +70,19 @@ required: examples: - | + #include sound: mt8186-sound { compatible = "mediatek,mt8186-mt6366-rt1019-rt5682s-sound"; mediatek,platform = <&afe>; pinctrl-names = "aud_clk_mosi_off", - "aud_clk_mosi_on"; + "aud_clk_mosi_on", + "aud_gpio_dmic_sec"; pinctrl-0 = <&aud_clk_mosi_off>; pinctrl-1 = <&aud_clk_mosi_on>; + pinctrl-2 = <&aud_gpio_dmic_sec>; + + dmic-gpios = <&pio 23 GPIO_ACTIVE_HIGH>; headset-codec { sound-dai = <&rt5682s>; From patchwork Wed Nov 2 12:59:36 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajye Huang X-Patchwork-Id: 13028118 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F1E5AC433FE for ; Wed, 2 Nov 2022 13:01:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; 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[118.167.210.180]) by smtp.gmail.com with ESMTPSA id k14-20020a170902d58e00b0017f59ebafe7sm8259345plh.212.2022.11.02.05.59.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Nov 2022 05:59:51 -0700 (PDT) From: Ajye Huang To: linux-kernel@vger.kernel.org Cc: Mark Brown , Liam Girdwood , Krzysztof Kozlowski , Rob Herring , linux-mediatek@lists.infradead.org, "chunxu . li" , Takashi Iwai , Jaroslav Kysela , Jiaxin Yu , Matthias Brugger , AngeloGioacchino Del Regno , Ajye Huang , =?utf-8?q?N=C3=ADco?= =?utf-8?q?las_F_=2E_R_=2E_A_=2E_Prado?= , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, alsa-devel@alsa-project.org Subject: [PATCH v6 2/2] ASoC: mediatek: mt8186-rt5682: Modify machine driver for two DMICs case Date: Wed, 2 Nov 2022 20:59:36 +0800 Message-Id: <20221102125936.2176748-3-ajye_huang@compal.corp-partner.google.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221102125936.2176748-1-ajye_huang@compal.corp-partner.google.com> References: <20221102125936.2176748-1-ajye_huang@compal.corp-partner.google.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221102_055953_892433_2B27E343 X-CRM114-Status: GOOD ( 20.77 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Having two DMICs, a front DMIC and a Rear DMIC, but only host audio input AUX port0 is used for these two Dmics. A "dmic-gpios" property is used for a mixer control to switch the dmic signal source between the Front and Rear Dmic. Refer to this one as an example, commit 3cfbf07c6d27 ("ASoC: qcom: sc7180: Modify machine driver for 2mic") Signed-off-by: Ajye Huang Reviewed-by: AngeloGioacchino Del Regno --- .../mt8186/mt8186-mt6366-rt1019-rt5682s.c | 102 +++++++++++++++++- 1 file changed, 101 insertions(+), 1 deletion(-) diff --git a/sound/soc/mediatek/mt8186/mt8186-mt6366-rt1019-rt5682s.c b/sound/soc/mediatek/mt8186/mt8186-mt6366-rt1019-rt5682s.c index 2414c5b77233..16d834f3153d 100644 --- a/sound/soc/mediatek/mt8186/mt8186-mt6366-rt1019-rt5682s.c +++ b/sound/soc/mediatek/mt8186/mt8186-mt6366-rt1019-rt5682s.c @@ -7,6 +7,8 @@ // Author: Jiaxin Yu // +#include +#include #include #include #include @@ -39,6 +41,8 @@ struct mt8186_mt6366_rt1019_rt5682s_priv { struct snd_soc_jack headset_jack, hdmi_jack; + struct gpio_desc *dmic_sel; + int dmic_switch; }; /* Headset jack detection DAPM pins */ @@ -68,6 +72,94 @@ static struct snd_soc_codec_conf mt8186_mt6366_rt1019_rt5682s_codec_conf[] = { }, }; +static int dmic_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol); + struct mtk_soc_card_data *soc_card_data = + snd_soc_card_get_drvdata(dapm->card); + struct mt8186_mt6366_rt1019_rt5682s_priv *priv = soc_card_data->mach_priv; + + ucontrol->value.integer.value[0] = priv->dmic_switch; + return 0; +} + +static int dmic_set(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol); + struct mtk_soc_card_data *soc_card_data = + snd_soc_card_get_drvdata(dapm->card); + struct mt8186_mt6366_rt1019_rt5682s_priv *priv = soc_card_data->mach_priv; + + priv->dmic_switch = ucontrol->value.integer.value[0]; + if (priv->dmic_sel) { + gpiod_set_value(priv->dmic_sel, priv->dmic_switch); + dev_info(dapm->card->dev, "dmic_set_value %d\n", + priv->dmic_switch); + } + return 0; +} + +static const char * const dmic_mux_text[] = { + "Front Mic", + "Rear Mic", +}; + +static SOC_ENUM_SINGLE_DECL(mt8186_dmic_enum, + SND_SOC_NOPM, 0, dmic_mux_text); + +static const struct snd_kcontrol_new mt8186_dmic_mux_control = + SOC_DAPM_ENUM_EXT("DMIC Select Mux", mt8186_dmic_enum, + dmic_get, dmic_set); + +static const struct snd_soc_dapm_widget dmic_widgets[] = { + SND_SOC_DAPM_MIC("DMIC", NULL), + SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0, &mt8186_dmic_mux_control), +}; + +static const struct snd_soc_dapm_route dmic_map[] = { + /* digital mics */ + {"Dmic Mux", "Front Mic", "DMIC"}, + {"Dmic Mux", "Rear Mic", "DMIC"}, +}; + +static int primary_codec_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_card *card = rtd->card; + struct mtk_soc_card_data *soc_card_data = snd_soc_card_get_drvdata(card); + struct mt8186_mt6366_rt1019_rt5682s_priv *priv = soc_card_data->mach_priv; + int ret; + + ret = mt8186_mt6366_init(rtd); + + if (ret) { + dev_err(card->dev, "mt8186_mt6366_init failed: %d\n", ret); + return ret; + } + + if (!priv->dmic_sel) { + dev_info(card->dev, "dmic_sel is null\n"); + return ret; + } + + ret = snd_soc_dapm_new_controls(&card->dapm, dmic_widgets, + ARRAY_SIZE(dmic_widgets)); + if (ret) { + dev_err(card->dev, "DMic widget addition failed: %d\n", ret); + /* Don't need to add routes if widget addition failed */ + return ret; + } + + ret = snd_soc_dapm_add_routes(&card->dapm, dmic_map, + ARRAY_SIZE(dmic_map)); + + if (ret) + dev_err(card->dev, "DMic map addition failed: %d\n", ret); + + return ret; +} + static int mt8186_rt5682s_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_component *cmpnt_afe = @@ -775,7 +867,7 @@ static struct snd_soc_dai_link mt8186_mt6366_rt1019_rt5682s_dai_links[] = { .dpcm_playback = 1, .dpcm_capture = 1, .ignore_suspend = 1, - .init = mt8186_mt6366_init, + .init = primary_codec_init, SND_SOC_DAILINK_REG(adda), }, { @@ -1015,6 +1107,14 @@ static int mt8186_mt6366_rt1019_rt5682s_dev_probe(struct platform_device *pdev) soc_card_data->mach_priv = mach_priv; + mach_priv->dmic_sel = devm_gpiod_get_optional(&pdev->dev, + "dmic", GPIOD_OUT_LOW); + if (IS_ERR(mach_priv->dmic_sel)) { + dev_err(&pdev->dev, "DMIC gpio failed err=%ld\n", + PTR_ERR(mach_priv->dmic_sel)); + return PTR_ERR(mach_priv->dmic_sel); + } + adsp_node = of_parse_phandle(pdev->dev.of_node, "mediatek,adsp", 0); if (adsp_node) { struct mtk_sof_priv *sof_priv;