linux-kernel - [PATCH 3/7] ASoC: qcom: sm8250: add handling of secondary MI2S clock

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Date: Fri, 28 Jun 2024 02:07:11 +0100
From: Alexey Klimov <alexey.klimov@...aro.org>
To: linux-sound@...r.kernel.org,
	srinivas.kandagatla@...aro.org,
	bgoswami@...cinc.com,
	lgirdwood@...il.com,
	broonie@...nel.org
Cc: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	andersson@...nel.org,
	konrad.dybcio@...aro.org,
	perex@...ex.cz,
	tiwai@...e.com,
	linux-arm-msm@...r.kernel.org,
	alsa-devel@...a-project.org,
	devicetree@...r.kernel.org,
	elder@...aro.org,
	dmitry.baryshkov@...aro.org,
	krzysztof.kozlowski@...aro.org,
	caleb.connolly@...aro.org,
	linux-kernel@...r.kernel.org,
	alexey.klimov@...aro.org
Subject: [PATCH 3/7] ASoC: qcom: sm8250: add handling of secondary MI2S clock

Add handling of clock related to secondary MI2S_RX in
sm8250_snd_startup() and sm2450_snd_shutdown().

Signed-off-by: Alexey Klimov <alexey.klimov@...aro.org>
---
 sound/soc/qcom/sm8250.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/sound/soc/qcom/sm8250.c b/sound/soc/qcom/sm8250.c
index 50e175fd521c..9864d803114d 100644
--- a/sound/soc/qcom/sm8250.c
+++ b/sound/soc/qcom/sm8250.c
@@ -55,6 +55,14 @@ static int sm8250_snd_startup(struct snd_pcm_substream *substream)
 	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
 
 	switch (cpu_dai->id) {
+	case SECONDARY_MI2S_RX:
+		codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_I2S;
+		snd_soc_dai_set_sysclk(cpu_dai,
+			Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT,
+			MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
+		snd_soc_dai_set_fmt(cpu_dai, fmt);
+		snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
+		break;
 	case TERTIARY_MI2S_RX:
 		codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_I2S;
 		snd_soc_dai_set_sysclk(cpu_dai,
@@ -77,6 +85,16 @@ static void sm2450_snd_shutdown(struct snd_pcm_substream *substream)
 	struct sm8250_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
 	struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
 
+	switch (cpu_dai->id) {
+	case SECONDARY_MI2S_RX:
+		snd_soc_dai_set_sysclk(cpu_dai,
+			Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT,
+			0, SNDRV_PCM_STREAM_PLAYBACK);
+		break;
+	default:
+		break;
+	}
+
 	data->sruntime[cpu_dai->id] = NULL;
 	sdw_release_stream(sruntime);
 }
-- 
2.45.2