linux-kernel - [PATCH 1/3] ASoC: mediatek: mt8186: support DSP downlink

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Date:   Fri, 29 Jul 2022 17:14:02 +0800
From:   Chunxu Li <chunxu.li@...iatek.com>
To:     <lgirdwood@...il.com>, <broonie@...nel.org>,
        <angelogioacchino.delregno@...labora.com>
CC:     <matthias.bgg@...il.com>, <jiaxin.yu@...iatek.com>,
        <tzungbi@...gle.com>, <linux-kernel@...r.kernel.org>,
        <alsa-devel@...a-project.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <project_global_chrome_upstream_group@...iatek.com>,
        Chunxu Li <chunxu.li@...iatek.com>
Subject: [PATCH 1/3] ASoC: mediatek: mt8186: support DSP downlink

1. add DSP downlink link widget
2. add DSP to I2S route path

Signed-off-by: Chunxu Li <chunxu.li@...iatek.com>
---
 sound/soc/mediatek/mt8186/mt8186-afe-pcm.c |  3 +++
 sound/soc/mediatek/mt8186/mt8186-dai-i2s.c | 12 ++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/sound/soc/mediatek/mt8186/mt8186-afe-pcm.c b/sound/soc/mediatek/mt8186/mt8186-afe-pcm.c
index eb729ab00f5a..d7e94e6a19c7 100644
--- a/sound/soc/mediatek/mt8186/mt8186-afe-pcm.c
+++ b/sound/soc/mediatek/mt8186/mt8186-afe-pcm.c
@@ -1359,6 +1359,9 @@ static const struct snd_soc_dapm_widget mt8186_memif_widgets[] = {
 	SND_SOC_DAPM_MUX("UL5_IN_MUX", SND_SOC_NOPM, 0, 0,
 			 &ul5_in_mux_control),
 
+	SND_SOC_DAPM_MIXER("DSP_DL1_VIRT", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_MIXER("DSP_DL2_VIRT", SND_SOC_NOPM, 0, 0, NULL, 0),
+
 	SND_SOC_DAPM_INPUT("UL1_VIRTUAL_INPUT"),
 	SND_SOC_DAPM_INPUT("UL2_VIRTUAL_INPUT"),
 	SND_SOC_DAPM_INPUT("UL3_VIRTUAL_INPUT"),
diff --git a/sound/soc/mediatek/mt8186/mt8186-dai-i2s.c b/sound/soc/mediatek/mt8186/mt8186-dai-i2s.c
index ec79e2f2a54d..32778799d708 100644
--- a/sound/soc/mediatek/mt8186/mt8186-dai-i2s.c
+++ b/sound/soc/mediatek/mt8186/mt8186-dai-i2s.c
@@ -658,9 +658,15 @@ static const struct snd_soc_dapm_route mtk_dai_i2s_routes[] = {
 	{"I2S1_CH1", "DL1_CH1 Switch", "DL1"},
 	{"I2S1_CH2", "DL1_CH2 Switch", "DL1"},
 
+	{"I2S1_CH1", "DL1_CH1 Switch", "DSP_DL1_VIRT"},
+	{"I2S1_CH2", "DL1_CH2 Switch", "DSP_DL1_VIRT"},
+
 	{"I2S1_CH1", "DL2_CH1 Switch", "DL2"},
 	{"I2S1_CH2", "DL2_CH2 Switch", "DL2"},
 
+	{"I2S1_CH1", "DL2_CH1 Switch", "DSP_DL2_VIRT"},
+	{"I2S1_CH2", "DL2_CH2 Switch", "DSP_DL2_VIRT"},
+
 	{"I2S1_CH1", "DL3_CH1 Switch", "DL3"},
 	{"I2S1_CH2", "DL3_CH2 Switch", "DL3"},
 
@@ -728,9 +734,15 @@ static const struct snd_soc_dapm_route mtk_dai_i2s_routes[] = {
 	{"I2S3_CH1", "DL1_CH1 Switch", "DL1"},
 	{"I2S3_CH2", "DL1_CH2 Switch", "DL1"},
 
+	{"I2S3_CH1", "DL1_CH1 Switch", "DSP_DL1_VIRT"},
+	{"I2S3_CH2", "DL1_CH2 Switch", "DSP_DL1_VIRT"},
+
 	{"I2S3_CH1", "DL2_CH1 Switch", "DL2"},
 	{"I2S3_CH2", "DL2_CH2 Switch", "DL2"},
 
+	{"I2S3_CH1", "DL2_CH1 Switch", "DSP_DL2_VIRT"},
+	{"I2S3_CH2", "DL2_CH2 Switch", "DSP_DL2_VIRT"},
+
 	{"I2S3_CH1", "DL3_CH1 Switch", "DL3"},
 	{"I2S3_CH2", "DL3_CH2 Switch", "DL3"},
 
-- 
2.18.0