[PATCH v3 4/4] ASoC: qcom: sm8250: Add TERTIARY_TDM_RX_0 support

From: Jianhua Lu
Date: Wed Dec 13 2023 - 07:36:56 EST


Add TERTIARY_TDM_RX_0 case to make speaker amplifiers working
on Xiaomi Pad 5 Pro tablet.

Signed-off-by: Jianhua Lu <lujianhua000@xxxxxxxxx>
---
No changes in v3.

No changes in v2.

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

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;
}
--
2.41.0