[RFC,v2,2/2] ASoC: qcom: sm8250: Add TERTIARY_TDM_RX_0 support

Commit Message

Jianhua Lu Dec. 12, 2023, 9:58 a.m. UTC

Add TERTIARY_TDM_RX_0 case to make speaker amplifiers working
on xiaomi-elish tablet.

Signed-off-by: Jianhua Lu <[e-mail]>
---
No changes in v2.

 sound/soc/qcom/sm8250.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

Patch

diff --git a/sound/soc/qcom/sm8250.c b/sound/soc/qcom/sm8250.c
index f298167c2a23..00c89c073e72 100644
--- a/sound/soc/qcom/sm8250.c
+++ b/sound/soc/qcom/sm8250.c
@@ -16,6 +16,7 @@ 
 
 #define DRIVER_NAME		"sm8250"
 #define MI2S_BCLK_RATE		1536000
+#define TDM_BCLK_RATE		12288000
 
 struct sm8250_snd_data {
 	bool stream_prepared[AFE_PORT_MAX];
@@ -53,6 +54,7 @@  static int sm8250_snd_startup(struct snd_pcm_substream *substream)
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
 	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
+	int ret, j;
 
 	switch (cpu_dai->id) {
 	case TERTIARY_MI2S_RX:
@@ -63,6 +65,23 @@  static int sm8250_snd_startup(struct snd_pcm_substream *substream)
 		snd_soc_dai_set_fmt(cpu_dai, fmt);
 		snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
 		break;
+	case TERTIARY_TDM_RX_0:
+		codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_DSP_A;
+		snd_soc_dai_set_sysclk(cpu_dai,
+			Q6AFE_LPASS_CLK_ID_TER_TDM_IBIT,
+			TDM_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
+
+		for_each_rtd_codec_dais(rtd, j, codec_dai) {
+			ret = snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
+			snd_soc_dai_set_sysclk(codec_dai,
+				0,
+				TDM_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
+			if (ret < 0) {
+				dev_err(rtd->dev, "TDM fmt err:%d\n", ret);
+				return ret;
+			}
+		}
+		break;
 	default:
 		break;
 	}