[PATCH 1/2] ASoC: sdm845: Update slot_width for Quaternary TDM port

From: Rohit kumar
Date: Fri Nov 16 2018 - 02:42:22 EST


Change slot_width for quaternary TDM port to 16 and
update bclk rate for TDM and MI2S interfaces
accordingly.

Signed-off-by: Rohit kumar <rohitkr@xxxxxxxxxxxxxx>
---
sound/soc/qcom/sdm845.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/sound/soc/qcom/sdm845.c b/sound/soc/qcom/sdm845.c
index 8d0cdff..84e6ee7 100644
--- a/sound/soc/qcom/sdm845.c
+++ b/sound/soc/qcom/sdm845.c
@@ -13,7 +13,8 @@

#define DEFAULT_SAMPLE_RATE_48K 48000
#define DEFAULT_MCLK_RATE 24576000
-#define DEFAULT_BCLK_RATE 12288000
+#define TDM_BCLK_RATE 6144000
+#define MI2S_BCLK_RATE 1536000

struct sdm845_snd_data {
struct snd_soc_card *card;
@@ -33,7 +34,7 @@ static int sdm845_tdm_snd_hw_params(struct snd_pcm_substream *substream,

switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
- slot_width = 32;
+ slot_width = 16;
break;
default:
dev_err(rtd->dev, "%s: invalid param format 0x%x\n",
@@ -115,7 +116,7 @@ static int sdm845_snd_startup(struct snd_pcm_substream *substream)
DEFAULT_MCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
snd_soc_dai_set_sysclk(cpu_dai,
Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
- DEFAULT_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
+ MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
}
snd_soc_dai_set_fmt(cpu_dai, fmt);
break;
@@ -125,7 +126,7 @@ static int sdm845_snd_startup(struct snd_pcm_substream *substream)
if (++(data->quat_tdm_clk_count) == 1) {
snd_soc_dai_set_sysclk(cpu_dai,
Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT,
- DEFAULT_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
+ TDM_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
}
break;

--
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