[PATCH v10 0/3] Add documentation and machine driver for SC7180 sound card

[PATCH v10 0/3] Add documentation and machine driver for SC7180 sound card

[Cheng-Yi Chiang]

Note:
- The machine driver patch is made by the collaboration of
  Cheng-Yi Chiang <cychiang@chromium.org>
  Rohit kumar <rohitkr@codeaurora.org>
  Ajit Pandey <ajitp@codeaurora.org>
  But Ajit has left codeaurora.
- This patch series needs HDMI DAI name SC7180_LPASS_DP defined in sc7180-lpass.h.
  It will be posted in the newer patchset of https://patchwork.kernel.org/patch/11745565/

Changes from v1 to v2:
- Ducumentation: Addressed all suggestions from Doug.
- Machine driver:
  - Fix comment style for license.
  - Sort includes.
  - Remove sc7180_snd_hw_params.
  - Remove sc7180_dai_init and use aux device instead for headset jack registration.
  - Statically define format for Primary MI2S.
  - Atomic is not a concern because there is mutex in card to make sure
    startup and shutdown happen sequentially.
  - Fix missing return -EINVAL in startup.
  - Use static sound card.
  - Use devm_kzalloc to avoid kfree.

Changes from v2 to v3:
- Ducumentation: Addressed suggestions from Srini.
- Machine driver:
  - Reuse qcom_snd_parse_of to parse properties.
  - Remove playback-only and capture-only.
  - Misc fixes to address comments.

Changes from v3 to v4:
- Ducumentation: Addressed suggestions from Rob.
 - Remove definition of dai.
 - Use 'sound-dai: true' for sound-dai schema.
 - Add reg property to pass 'make dt_binding_check' check although reg is not used in the driver.
- Machine driver:
 - Add Reviewed-by: Tzung-Bi Shih <tzungbi@google.com>

Changes from v4 to v5:
- Documentation: Addressed suggestions from Rob.
 - Add definition for "#address-cells" and "#size-cells".
 - Add additionalProperties: false
 - Add required properties.

Changes from v5 to v6:
- Documentation: Addressed suggestions from Rob.
 - Drop contains in compatible strings.
 - Only allow dai-link@[0-9]
 - Remove reg ref since it has a type definition already.

Changes from v6 to v7
- Documentation:
  - Add headset-jack and hdmi-jack to specify the codec
    responsible for jack detection.
- HDMI codec driver:
  - Use component set_jack ops instead of exporting hdmi_codec_set_jack_detect.
- Machine driver:
  - Removed aux device following Stephan's suggestion.
  - Use headset-jack and hdmi-jack to specify the codec
    responsible for jack detection.
  - Add support for HDMI(actually DP) playback.

Changes from v7 to v8
- Documentation:
  - Remove headset-jack and hdmi-jack.
- Machine driver:
  - Let machine driver decide whether there is a jack on the DAI.

Changes from v8 to v9
- hdmi-codec driver:
  - Fixed the naming.
- Machine driver:
  - Fixed unused fields.
  - Moved snd_soc_card_set_drvdata
  - Keep the naming of HDMI as dai name until v5 of lpass-hdmi patches.

Changes from v9 to v10
- Documentation:
  - Let compatible string be more specific for board configuration to allow
    for future changes.
- Machine driver:
  - Fixed unused include and macro.
  - Add temporary macro SC7180_LPASS_DP for future change in sc7180-lpass.h.
  - Let sound card be dynamically allocated.
  - Change compatible string accordingly.

Ajit Pandey (1):
  ASoC: qcom: sc7180: Add machine driver for sound card registration

Cheng-Yi Chiang (2):
  ASoC: hdmi-codec: Use set_jack ops to set jack
  ASoC: qcom: dt-bindings: Add sc7180 machine bindings

 .../bindings/sound/qcom,sc7180.yaml           | 130 +++++++++
 include/sound/hdmi-codec.h                    |   3 -
 sound/soc/codecs/hdmi-codec.c                 |  12 +-
 sound/soc/mediatek/mt8173/mt8173-rt5650.c     |   5 +-
 .../mediatek/mt8183/mt8183-da7219-max98357.c  |   5 +-
 .../mt8183/mt8183-mt6358-ts3a227-max98357.c   |   5 +-
 sound/soc/qcom/Kconfig                        |  12 +
 sound/soc/qcom/Makefile                       |   2 +
 sound/soc/qcom/sc7180.c                       | 266 ++++++++++++++++++
 sound/soc/rockchip/rockchip_max98090.c        |   3 +-
 10 files changed, 421 insertions(+), 22 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/sound/qcom,sc7180.yaml
 create mode 100644 sound/soc/qcom/sc7180.c

-- 
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[PATCH v10 1/3] ASoC: hdmi-codec: Use set_jack ops to set jack

[Cheng-Yi Chiang]

Use set_jack ops to set jack so machine drivers do not need to include
hdmi-codec.h explicitly.

Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org>
Reviewed-by: Tzung-Bi Shih <tzungbi@google.com>
---
 include/sound/hdmi-codec.h                           |  3 ---
 sound/soc/codecs/hdmi-codec.c                        | 12 ++++--------
 sound/soc/mediatek/mt8173/mt8173-rt5650.c            |  5 ++---
 sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c   |  5 ++---
 .../mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c |  5 ++---
 sound/soc/rockchip/rockchip_max98090.c               |  3 +--
 6 files changed, 11 insertions(+), 22 deletions(-)

diff --git a/include/sound/hdmi-codec.h b/include/sound/hdmi-codec.h
index 7754631a3102..b55970859a13 100644
--- a/include/sound/hdmi-codec.h
+++ b/include/sound/hdmi-codec.h
@@ -117,9 +117,6 @@ struct hdmi_codec_pdata {
 struct snd_soc_component;
 struct snd_soc_jack;
 
-int hdmi_codec_set_jack_detect(struct snd_soc_component *component,
-			       struct snd_soc_jack *jack);
-
 #define HDMI_CODEC_DRV_NAME "hdmi-audio-codec"
 
 #endif /* __HDMI_CODEC_H__ */
diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c
index 8c6f540533ba..403d4c6a49a8 100644
--- a/sound/soc/codecs/hdmi-codec.c
+++ b/sound/soc/codecs/hdmi-codec.c
@@ -698,13 +698,9 @@ static void plugged_cb(struct device *dev, bool plugged)
 		hdmi_codec_jack_report(hcp, 0);
 }
 
-/**
- * hdmi_codec_set_jack_detect - register HDMI plugged callback
- * @component: the hdmi-codec instance
- * @jack: ASoC jack to report (dis)connection events on
- */
-int hdmi_codec_set_jack_detect(struct snd_soc_component *component,
-			       struct snd_soc_jack *jack)
+static int hdmi_codec_set_jack(struct snd_soc_component *component,
+			       struct snd_soc_jack *jack,
+			       void *data)
 {
 	struct hdmi_codec_priv *hcp = snd_soc_component_get_drvdata(component);
 	int ret = -EOPNOTSUPP;
@@ -720,7 +716,6 @@ int hdmi_codec_set_jack_detect(struct snd_soc_component *component,
 	}
 	return ret;
 }
-EXPORT_SYMBOL_GPL(hdmi_codec_set_jack_detect);
 
 static int hdmi_dai_spdif_probe(struct snd_soc_dai *dai)
 {
@@ -806,6 +801,7 @@ static const struct snd_soc_component_driver hdmi_driver = {
 	.use_pmdown_time	= 1,
 	.endianness		= 1,
 	.non_legacy_dai_naming	= 1,
+	.set_jack		= hdmi_codec_set_jack,
 };
 
 static int hdmi_codec_probe(struct platform_device *pdev)
diff --git a/sound/soc/mediatek/mt8173/mt8173-rt5650.c b/sound/soc/mediatek/mt8173/mt8173-rt5650.c
index 347b095d478d..c28ebf891cb0 100644
--- a/sound/soc/mediatek/mt8173/mt8173-rt5650.c
+++ b/sound/soc/mediatek/mt8173/mt8173-rt5650.c
@@ -11,7 +11,6 @@
 #include <linux/of_gpio.h>
 #include <sound/soc.h>
 #include <sound/jack.h>
-#include <sound/hdmi-codec.h>
 #include "../../codecs/rt5645.h"
 
 #define MCLK_FOR_CODECS		12288000
@@ -154,8 +153,8 @@ static int mt8173_rt5650_hdmi_init(struct snd_soc_pcm_runtime *rtd)
 	if (ret)
 		return ret;
 
-	return hdmi_codec_set_jack_detect(asoc_rtd_to_codec(rtd, 0)->component,
-					  &mt8173_rt5650_hdmi_jack);
+	return snd_soc_component_set_jack(asoc_rtd_to_codec(rtd, 0)->component,
+					  &mt8173_rt5650_hdmi_jack, NULL);
 }
 
 enum {
diff --git a/sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c b/sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c
index 06d0a4f80fc1..e53c6200d5a7 100644
--- a/sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c
+++ b/sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c
@@ -10,7 +10,6 @@
 #include <linux/module.h>
 #include <linux/of_device.h>
 #include <linux/pinctrl/consumer.h>
-#include <sound/hdmi-codec.h>
 #include <sound/jack.h>
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
@@ -369,8 +368,8 @@ static int mt8183_da7219_max98357_hdmi_init(struct snd_soc_pcm_runtime *rtd)
 	if (ret)
 		return ret;
 
-	return hdmi_codec_set_jack_detect(asoc_rtd_to_codec(rtd, 0)->component,
-					  &priv->hdmi_jack);
+	return snd_soc_component_set_jack(asoc_rtd_to_codec(rtd, 0)->component,
+					  &priv->hdmi_jack, NULL);
 }
 
 static struct snd_soc_dai_link mt8183_da7219_dai_links[] = {
diff --git a/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c b/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c
index 07410d7afaa9..327dfad41e31 100644
--- a/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c
+++ b/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c
@@ -9,7 +9,6 @@
 #include <linux/module.h>
 #include <linux/of_device.h>
 #include <linux/pinctrl/consumer.h>
-#include <sound/hdmi-codec.h>
 #include <sound/jack.h>
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
@@ -350,8 +349,8 @@ mt8183_mt6358_ts3a227_max98357_hdmi_init(struct snd_soc_pcm_runtime *rtd)
 	if (ret)
 		return ret;
 
-	return hdmi_codec_set_jack_detect(asoc_rtd_to_codec(rtd, 0)->component,
-					  &priv->hdmi_jack);
+	return snd_soc_component_set_jack(asoc_rtd_to_codec(rtd, 0)->component,
+					  &priv->hdmi_jack, NULL);
 }
 
 static struct snd_soc_dai_link mt8183_mt6358_ts3a227_dai_links[] = {
diff --git a/sound/soc/rockchip/rockchip_max98090.c b/sound/soc/rockchip/rockchip_max98090.c
index 9acfd024aa5d..c8f1a28a92b7 100644
--- a/sound/soc/rockchip/rockchip_max98090.c
+++ b/sound/soc/rockchip/rockchip_max98090.c
@@ -12,7 +12,6 @@
 #include <linux/gpio.h>
 #include <linux/of_gpio.h>
 #include <sound/core.h>
-#include <sound/hdmi-codec.h>
 #include <sound/jack.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
@@ -238,7 +237,7 @@ static int rk_hdmi_init(struct snd_soc_pcm_runtime *runtime)
 		return ret;
 	}
 
-	return hdmi_codec_set_jack_detect(component, &rk_hdmi_jack);
+	return snd_soc_component_set_jack(component, &rk_hdmi_jack, NULL);
 }
 
 /* max98090 dai_link */
-- 
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[PATCH v10 2/3] ASoC: qcom: dt-bindings: Add sc7180 machine bindings

[Cheng-Yi Chiang]

Add devicetree bindings documentation file for sc7180 sound card.

Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org>
---
 .../bindings/sound/qcom,sc7180.yaml           | 130 ++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/qcom,sc7180.yaml

diff --git a/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml b/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml
new file mode 100644
index 000000000000..b77311bb5190
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml
@@ -0,0 +1,130 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/qcom,sc7180.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies Inc. SC7180 ASoC sound card driver
+
+maintainers:
+  - Rohit kumar <rohitkr@codeaurora.org>
+  - Cheng-Yi Chiang <cychiang@chromium.org>
+
+description:
+  This binding describes the SC7180 sound card which uses LPASS for audio.
+
+properties:
+  compatible:
+    const: qcom,sc7180-sndcard-rt5682-m98357-1mic
+
+  audio-routing:
+    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
+    description:
+      A list of the connections between audio components. Each entry is a
+      pair of strings, the first being the connection's sink, the second
+      being the connection's source.
+
+  model:
+    $ref: /schemas/types.yaml#/definitions/string
+    description: User specified audio sound card name
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
+patternProperties:
+  "^dai-link(@[0-9])?$":
+    description:
+      Each subnode represents a dai link. Subnodes of each dai links would be
+      cpu/codec dais.
+
+    type: object
+
+    properties:
+      link-name:
+        description: Indicates dai-link name and PCM stream name.
+        $ref: /schemas/types.yaml#/definitions/string
+        maxItems: 1
+
+      reg:
+        description: dai link address.
+
+      cpu:
+        description: Holds subnode which indicates cpu dai.
+        type: object
+        properties:
+          sound-dai: true
+
+      codec:
+        description: Holds subnode which indicates codec dai.
+        type: object
+        properties:
+          sound-dai: true
+
+    required:
+      - link-name
+      - cpu
+      - codec
+
+    additionalProperties: false
+
+required:
+  - compatible
+  - model
+  - "#address-cells"
+  - "#size-cells"
+
+additionalProperties: false
+
+examples:
+
+  - |
+    sound {
+        compatible = "qcom,sc7180-sndcard-rt5682-m98357-1mic";
+        model = "sc7180-snd-card";
+
+        audio-routing =
+                    "Headphone Jack", "HPOL",
+                    "Headphone Jack", "HPOR";
+
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        dai-link@0 {
+            link-name = "MultiMedia0";
+            reg = <0>;
+            cpu {
+                sound-dai = <&lpass_cpu 0>;
+            };
+
+            codec {
+                sound-dai = <&alc5682 0>;
+            };
+        };
+
+        dai-link@1 {
+            link-name = "MultiMedia1";
+            reg = <1>;
+            cpu {
+                sound-dai = <&lpass_cpu 1>;
+            };
+
+            codec {
+                sound-dai = <&max98357a>;
+            };
+        };
+
+        dai-link@2 {
+            link-name = "MultiMedia2";
+            reg = <2>;
+            cpu {
+                sound-dai = <&lpass_hdmi 0>;
+            };
+
+            codec {
+                sound-dai = <&msm_dp>;
+            };
+        };
+    };
-- 
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[PATCH v10 3/3] ASoC: qcom: sc7180: Add machine driver for sound card registration

[Cheng-Yi Chiang]

From: Ajit Pandey <ajitp@codeaurora.org>

Add new driver to register sound card on sc7180 trogdor board and
do the required configuration for lpass cpu dai and external codecs
connected over MI2S interfaces.

Signed-off-by: Ajit Pandey <ajitp@codeaurora.org>
Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org>
---
 sound/soc/qcom/Kconfig  |  12 ++
 sound/soc/qcom/Makefile |   2 +
 sound/soc/qcom/sc7180.c | 266 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 280 insertions(+)
 create mode 100644 sound/soc/qcom/sc7180.c

diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig
index a607ace8b089..0459185ee243 100644
--- a/sound/soc/qcom/Kconfig
+++ b/sound/soc/qcom/Kconfig
@@ -116,4 +116,16 @@ config SND_SOC_SDM845
 	  SDM845 SoC-based systems.
 	  Say Y if you want to use audio device on this SoCs.
 
+config SND_SOC_SC7180
+	tristate "SoC Machine driver for SC7180 boards"
+	depends on I2C
+	select SND_SOC_QCOM_COMMON
+	select SND_SOC_LPASS_SC7180
+	select SND_SOC_MAX98357A
+	select SND_SOC_RT5682_I2C
+	help
+	  To add support for audio on Qualcomm Technologies Inc.
+	  SC7180 SoC-based systems.
+	  Say Y if you want to use audio device on this SoCs.
+
 endif #SND_SOC_QCOM
diff --git a/sound/soc/qcom/Makefile b/sound/soc/qcom/Makefile
index 7972c9479ab0..0cdcbf367ef1 100644
--- a/sound/soc/qcom/Makefile
+++ b/sound/soc/qcom/Makefile
@@ -17,12 +17,14 @@ snd-soc-storm-objs := storm.o
 snd-soc-apq8016-sbc-objs := apq8016_sbc.o
 snd-soc-apq8096-objs := apq8096.o
 snd-soc-sdm845-objs := sdm845.o
+snd-soc-sc7180-objs := sc7180.o
 snd-soc-qcom-common-objs := common.o
 
 obj-$(CONFIG_SND_SOC_STORM) += snd-soc-storm.o
 obj-$(CONFIG_SND_SOC_APQ8016_SBC) += snd-soc-apq8016-sbc.o
 obj-$(CONFIG_SND_SOC_MSM8996) += snd-soc-apq8096.o
 obj-$(CONFIG_SND_SOC_SDM845) += snd-soc-sdm845.o
+obj-$(CONFIG_SND_SOC_SC7180) += snd-soc-sc7180.o
 obj-$(CONFIG_SND_SOC_QCOM_COMMON) += snd-soc-qcom-common.o
 
 #DSP lib
diff --git a/sound/soc/qcom/sc7180.c b/sound/soc/qcom/sc7180.c
new file mode 100644
index 000000000000..a82512b8b754
--- /dev/null
+++ b/sound/soc/qcom/sc7180.c
@@ -0,0 +1,266 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright (c) 2020, The Linux Foundation. All rights reserved.
+//
+// sc7180.c -- ALSA SoC Machine driver for SC7180
+
+#include <dt-bindings/sound/sc7180-lpass.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <sound/core.h>
+#include <sound/jack.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <uapi/linux/input-event-codes.h>
+
+#include "../codecs/rt5682.h"
+#include "common.h"
+#include "lpass.h"
+
+#define DEFAULT_MCLK_RATE		19200000
+#define RT5682_PLL1_FREQ (48000 * 512)
+
+// This will be defined in include/dt-bindings/sound/sc7180-lpass.h
+#define SC7180_LPASS_DP 2
+
+struct sc7180_snd_data {
+	struct snd_soc_card card;
+	u32 pri_mi2s_clk_count;
+	struct snd_soc_jack hs_jack;
+	struct snd_soc_jack hdmi_jack;
+};
+
+static void sc7180_jack_free(struct snd_jack *jack)
+{
+	struct snd_soc_component *component = jack->private_data;
+
+	snd_soc_component_set_jack(component, NULL, NULL);
+}
+
+static int sc7180_headset_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_card *card = rtd->card;
+	struct sc7180_snd_data *pdata = snd_soc_card_get_drvdata(card);
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+	struct snd_soc_component *component = codec_dai->component;
+	struct snd_jack *jack;
+	int rval;
+
+	rval = snd_soc_card_jack_new(
+			card, "Headset Jack",
+			SND_JACK_HEADSET |
+			SND_JACK_HEADPHONE |
+			SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+			SND_JACK_BTN_2 | SND_JACK_BTN_3,
+			&pdata->hs_jack, NULL, 0);
+
+	if (rval < 0) {
+		dev_err(card->dev, "Unable to add Headset Jack\n");
+		return rval;
+	}
+
+	jack = pdata->hs_jack.jack;
+
+	snd_jack_set_key(jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
+	snd_jack_set_key(jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
+	snd_jack_set_key(jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
+	snd_jack_set_key(jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
+
+	jack->private_data = component;
+	jack->private_free = sc7180_jack_free;
+
+	return snd_soc_component_set_jack(component, &pdata->hs_jack, NULL);
+}
+
+static int sc7180_hdmi_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_card *card = rtd->card;
+	struct sc7180_snd_data *pdata = snd_soc_card_get_drvdata(card);
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+	struct snd_soc_component *component = codec_dai->component;
+	struct snd_jack *jack;
+	int rval;
+
+	rval = snd_soc_card_jack_new(
+			card, "HDMI Jack",
+			SND_JACK_LINEOUT,
+			&pdata->hdmi_jack, NULL, 0);
+
+	if (rval < 0) {
+		dev_err(card->dev, "Unable to add HDMI Jack\n");
+		return rval;
+	}
+
+	jack = pdata->hdmi_jack.jack;
+	jack->private_data = component;
+	jack->private_free = sc7180_jack_free;
+
+	return snd_soc_component_set_jack(component, &pdata->hdmi_jack, NULL);
+}
+
+static int sc7180_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 sc7180_headset_init(rtd);
+	case MI2S_SECONDARY:
+		return 0;
+	case SC7180_LPASS_DP:
+		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_snd_startup(struct snd_pcm_substream *substream)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_card *card = rtd->card;
+	struct sc7180_snd_data *data = snd_soc_card_get_drvdata(card);
+	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+	int ret;
+
+	switch (cpu_dai->id) {
+	case MI2S_PRIMARY:
+		if (++data->pri_mi2s_clk_count == 1) {
+			snd_soc_dai_set_sysclk(cpu_dai,
+					       LPASS_MCLK0,
+					       DEFAULT_MCLK_RATE,
+					       SNDRV_PCM_STREAM_PLAYBACK);
+		}
+
+		snd_soc_dai_set_fmt(codec_dai,
+				    SND_SOC_DAIFMT_CBS_CFS |
+				    SND_SOC_DAIFMT_NB_NF |
+				    SND_SOC_DAIFMT_I2S);
+
+		/* Configure PLL1 for codec */
+		ret = snd_soc_dai_set_pll(codec_dai, 0, RT5682_PLL1_S_MCLK,
+					  DEFAULT_MCLK_RATE, RT5682_PLL1_FREQ);
+		if (ret) {
+			dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
+			return ret;
+		}
+
+		/* Configure sysclk for codec */
+		ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL1,
+					     RT5682_PLL1_FREQ,
+					     SND_SOC_CLOCK_IN);
+		if (ret)
+			dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n",
+				ret);
+
+		break;
+	case MI2S_SECONDARY:
+		break;
+	case SC7180_LPASS_DP:
+		break;
+	default:
+		dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
+			cpu_dai->id);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static void sc7180_snd_shutdown(struct snd_pcm_substream *substream)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_card *card = rtd->card;
+	struct sc7180_snd_data *data = snd_soc_card_get_drvdata(card);
+	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+
+	switch (cpu_dai->id) {
+	case MI2S_PRIMARY:
+		if (--data->pri_mi2s_clk_count == 0) {
+			snd_soc_dai_set_sysclk(cpu_dai,
+					       LPASS_MCLK0,
+					       0,
+					       SNDRV_PCM_STREAM_PLAYBACK);
+		}
+		break;
+	case MI2S_SECONDARY:
+		break;
+	case SC7180_LPASS_DP:
+		break;
+	default:
+		dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
+			cpu_dai->id);
+		break;
+	}
+}
+
+static const struct snd_soc_ops sc7180_ops = {
+	.startup = sc7180_snd_startup,
+	.shutdown = sc7180_snd_shutdown,
+};
+
+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 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;
+	int ret;
+
+	/* Allocate the private data */
+	data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	card = &data->card;
+	snd_soc_card_set_drvdata(card, data);
+
+	card->owner = THIS_MODULE,
+	card->dev = dev;
+	card->dapm_widgets = sc7180_snd_widgets;
+	card->num_dapm_widgets = ARRAY_SIZE(sc7180_snd_widgets);
+
+	ret = qcom_snd_parse_of(card);
+	if (ret)
+		return ret;
+
+	sc7180_add_ops(card);
+
+	return devm_snd_soc_register_card(dev, card);
+}
+
+static const struct of_device_id sc7180_snd_device_id[]  = {
+	{ .compatible = "qcom,sc7180-sndcard-rt5682-m98357-1mic" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, sc7180_snd_device_id);
+
+static struct platform_driver sc7180_snd_driver = {
+	.probe = sc7180_snd_platform_probe,
+	.driver = {
+		.name = "msm-snd-sc7180",
+		.of_match_table = sc7180_snd_device_id,
+	},
+};
+module_platform_driver(sc7180_snd_driver);
+
+MODULE_DESCRIPTION("sc7180 ASoC Machine Driver");
+MODULE_LICENSE("GPL v2");
-- 
2.28.0.618.gf4bc123cb7-goog


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