openwrt/target/linux/brcm2708/patches-4.19/950-0317-Added-mute-stream-func.patch

From 193dc2529db3cfee676aae2b18f059363e151e09 Mon Sep 17 00:00:00 2001
From: Jaikumar <jaikumar@cem-solutions.net>
Date: Thu, 7 Jun 2018 21:22:45 +0530
Subject: [PATCH] Added mute stream func

Signed-off-by: Jaikumar <jaikumar@cem-solutions.net>
---
 sound/soc/bcm/allo-katana-codec.c | 60 ++++++++++++++++++++++---------
 1 file changed, 44 insertions(+), 16 deletions(-)

--- a/sound/soc/bcm/allo-katana-codec.c
+++ b/sound/soc/bcm/allo-katana-codec.c
@@ -31,21 +31,23 @@
 
 #define KATANA_CODEC_CHIP_ID		0x30
 #define KATANA_CODEC_VIRT_BASE		0x100
-#define KATANA_CODEC_PAGE			0
+#define KATANA_CODEC_PAGE		0
 
 #define KATANA_CODEC_CHIP_ID_REG	(KATANA_CODEC_VIRT_BASE + 0)
-#define KATANA_CODEC_RESET			(KATANA_CODEC_VIRT_BASE + 1)
+#define KATANA_CODEC_RESET		(KATANA_CODEC_VIRT_BASE + 1)
 #define KATANA_CODEC_VOLUME_1		(KATANA_CODEC_VIRT_BASE + 2)
 #define KATANA_CODEC_VOLUME_2		(KATANA_CODEC_VIRT_BASE + 3)
-#define KATANA_CODEC_MUTE			(KATANA_CODEC_VIRT_BASE + 4)
+#define KATANA_CODEC_MUTE		(KATANA_CODEC_VIRT_BASE + 4)
 #define KATANA_CODEC_DSP_PROGRAM	(KATANA_CODEC_VIRT_BASE + 5)
 #define KATANA_CODEC_DEEMPHASIS		(KATANA_CODEC_VIRT_BASE + 6)
-#define KATANA_CODEC_DOP			(KATANA_CODEC_VIRT_BASE + 7)
-#define KATANA_CODEC_FORMAT			(KATANA_CODEC_VIRT_BASE + 8)
+#define KATANA_CODEC_DOP		(KATANA_CODEC_VIRT_BASE + 7)
+#define KATANA_CODEC_FORMAT		(KATANA_CODEC_VIRT_BASE + 8)
 #define KATANA_CODEC_COMMAND		(KATANA_CODEC_VIRT_BASE + 9)
-#define KATANA_CODEC_MAX_REGISTER	(KATANA_CODEC_VIRT_BASE + 9)
+#define KATANA_CODEC_MUTE_STREAM	(KATANA_CODEC_VIRT_BASE + 10)
 
-#define KATANA_CODEC_FMT			0xff
+#define KATANA_CODEC_MAX_REGISTER	(KATANA_CODEC_VIRT_BASE + 10)
+
+#define KATANA_CODEC_FMT		0xff
 #define KATANA_CODEC_CHAN_MONO		0x00
 #define KATANA_CODEC_CHAN_STEREO	0x80
 #define KATANA_CODEC_ALEN_16		0x10
@@ -135,7 +137,8 @@ static const struct snd_kcontrol_new kat
 	SOC_SINGLE("DoP Playback Switch", KATANA_CODEC_DOP, 0, 1, 1)
 };
 
-static bool katana_codec_readable_register(struct device *dev, unsigned int reg)
+static bool katana_codec_readable_register(struct device *dev,
+				unsigned int reg)
 {
 	switch (reg) {
 	case KATANA_CODEC_CHIP_ID_REG:
@@ -150,13 +153,15 @@ static int katana_codec_hw_params(struct
 			     struct snd_soc_dai *dai)
 {
 	struct snd_soc_component *component = dai->component;
-	struct katana_codec_priv *katana_codec = snd_soc_component_get_drvdata(component);
+	struct katana_codec_priv *katana_codec =
+		snd_soc_component_get_drvdata(component);
 	int fmt = 0;
 	int ret;
 
-	dev_dbg(component->card->dev, "hw_params %u Hz, %u channels\n",
+	dev_dbg(component->card->dev, "hw_params %u Hz, %u channels, %u bits\n",
 			params_rate(params),
-			params_channels(params));
+			params_channels(params),
+			params_width(params));
 
 	switch (katana_codec->fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 	case SND_SOC_DAIFMT_CBM_CFM: // master
@@ -212,13 +217,17 @@ static int katana_codec_hw_params(struct
 			return -EINVAL;
 		}
 
-		ret = regmap_write(katana_codec->regmap, KATANA_CODEC_FORMAT, fmt);
+		ret = regmap_write(katana_codec->regmap, KATANA_CODEC_FORMAT,
+					fmt);
 		if (ret != 0) {
 			dev_err(component->card->dev, "Failed to set format: %d\n", ret);
 			return ret;
 		}
 		break;
 
+	case SND_SOC_DAIFMT_CBS_CFS:
+		break;
+
 	default:
 		return -EINVAL;
 	}
@@ -229,14 +238,33 @@ static int katana_codec_hw_params(struct
 static int katana_codec_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 {
 	struct snd_soc_component *component = dai->component;
-	struct katana_codec_priv *katana_codec = snd_soc_component_get_drvdata(component);
+	struct katana_codec_priv *katana_codec =
+		snd_soc_component_get_drvdata(component);
 
 	katana_codec->fmt = fmt;
 
 	return 0;
 }
 
+int katana_codec_dai_mute_stream(struct snd_soc_dai *dai, int mute,
+						int stream)
+{
+	struct snd_soc_component *component = dai->component;
+	struct katana_codec_priv *katana_codec =
+		snd_soc_component_get_drvdata(component);
+	int ret = 0;
+
+	ret = regmap_write(katana_codec->regmap, KATANA_CODEC_MUTE_STREAM,
+				mute);
+	if (ret != 0) {
+		dev_err(component->card->dev, "Failed to set mute: %d\n", ret);
+		return ret;
+	}
+	return ret;
+}
+
 static const struct snd_soc_dai_ops katana_codec_dai_ops = {
+	.mute_stream = katana_codec_dai_mute_stream,
 	.hw_params = katana_codec_hw_params,
 	.set_fmt = katana_codec_set_fmt,
 };
@@ -300,7 +328,7 @@ static int allo_katana_component_probe(s
 		return PTR_ERR(regmap);
 
 	katana_codec = devm_kzalloc(dev, sizeof(struct katana_codec_priv),
-								GFP_KERNEL);
+					GFP_KERNEL);
 	if (!katana_codec)
 		return -ENOMEM;
 
@@ -348,8 +376,8 @@ static struct i2c_driver allo_katana_com
 	.remove		= allo_katana_component_remove,
 	.id_table	= allo_katana_component_id,
 	.driver		= {
-		.name	= "allo-katana-codec",
-		.of_match_table = allo_katana_codec_of_match,
+	.name		= "allo-katana-codec",
+	.of_match_table = allo_katana_codec_of_match,
 	},
 };