linux-kernel - [PATCH] ASoC: qcom: SC7280: Update machine driver startup, shutdown callbacks

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Date:   Tue, 19 Apr 2022 12:46:59 +0530
From:   Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
To:     <agross@...nel.org>, <bjorn.andersson@...aro.org>,
        <lgirdwood@...il.com>, <broonie@...nel.org>, <robh+dt@...nel.org>,
        <quic_plai@...cinc.com>, <bgoswami@...cinc.com>, <perex@...ex.cz>,
        <tiwai@...e.com>, <srinivas.kandagatla@...aro.org>,
        <quic_rohkumar@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <alsa-devel@...a-project.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <swboyd@...omium.org>,
        <judyhsiao@...omium.org>
CC:     Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>,
        "Venkata Prasad Potturu" <quic_potturu@...cinc.com>
Subject: [PATCH] ASoC: qcom: SC7280: Update machine driver startup, shutdown callbacks

Update machine driver startup, shutdown callback functions to support
codec DMA paths. Without this change, platforms with WCD codec is failing
to register sound card.

Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
Co-developed-by: Venkata Prasad Potturu <quic_potturu@...cinc.com>
Signed-off-by: Venkata Prasad Potturu <quic_potturu@...cinc.com>
---
 sound/soc/qcom/sc7280.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/sound/soc/qcom/sc7280.c b/sound/soc/qcom/sc7280.c
index 4ef4034..d64df11 100644
--- a/sound/soc/qcom/sc7280.c
+++ b/sound/soc/qcom/sc7280.c
@@ -295,6 +295,10 @@ static void sc7280_snd_shutdown(struct snd_pcm_substream *substream)
 		break;
 	case LPASS_DP_RX:
 		break;
+	case LPASS_CDC_DMA_RX0 ... LPASS_CDC_DMA_RX9:
+	case LPASS_CDC_DMA_TX0 ... LPASS_CDC_DMA_TX8:
+	case LPASS_CDC_DMA_VA_TX0 ... LPASS_CDC_DMA_VA_TX8:
+		break;
 	default:
 		dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
 			cpu_dai->id);
@@ -316,6 +320,10 @@ static int sc7280_snd_startup(struct snd_pcm_substream *substream)
 		break;
 	case LPASS_DP_RX:
 		break;
+	case LPASS_CDC_DMA_RX0 ... LPASS_CDC_DMA_RX9:
+	case LPASS_CDC_DMA_TX0 ... LPASS_CDC_DMA_TX8:
+	case LPASS_CDC_DMA_VA_TX0 ... LPASS_CDC_DMA_VA_TX8:
+		break;
 	default:
 		dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
 			cpu_dai->id);
-- 
2.7.4