[PATCH] ASoC: sdm845: Add configuration for headset codec

From: Cheng-Yi Chiang
Date: Wed Nov 28 2018 - 04:00:36 EST


Set DAI format and sysclk for headset codec.

Signed-off-by: Cheng-Yi Chiang <cychiang@xxxxxxxxxxxx>
Acked-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
sound/soc/qcom/sdm845.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)

diff --git a/sound/soc/qcom/sdm845.c b/sound/soc/qcom/sdm845.c
index d0df7ec6042e..1db8ef668223 100644
--- a/sound/soc/qcom/sdm845.c
+++ b/sound/soc/qcom/sdm845.c
@@ -14,6 +14,7 @@
#include <uapi/linux/input-event-codes.h>
#include "common.h"
#include "qdsp6/q6afe.h"
+#include "../codecs/rt5663.h"

#define DEFAULT_SAMPLE_RATE_48K 48000
#define DEFAULT_MCLK_RATE 24576000
@@ -125,9 +126,27 @@ static int sdm845_snd_hw_params(struct snd_pcm_substream *substream,
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
int ret = 0;

switch (cpu_dai->id) {
+ case PRIMARY_MI2S_RX:
+ case PRIMARY_MI2S_TX:
+ /*
+ * Use ASRC for internal clocks, as PLL rate isn't multiple
+ * of BCLK.
+ */
+ rt5663_sel_asrc_clk_src(
+ codec_dai->component,
+ RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER,
+ RT5663_CLK_SEL_I2S1_ASRC);
+ ret = snd_soc_dai_set_sysclk(
+ codec_dai, RT5663_SCLK_S_MCLK, DEFAULT_MCLK_RATE,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ dev_err(rtd->dev,
+ "snd_soc_dai_set_sysclk err = %d\n", ret);
+ break;
case QUATERNARY_TDM_RX_0:
case QUATERNARY_TDM_TX_0:
ret = sdm845_tdm_snd_hw_params(substream, params);
@@ -202,6 +221,7 @@ static int sdm845_snd_startup(struct snd_pcm_substream *substream)
switch (cpu_dai->id) {
case PRIMARY_MI2S_RX:
case PRIMARY_MI2S_TX:
+ codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF;
if (++(data->pri_mi2s_clk_count) == 1) {
snd_soc_dai_set_sysclk(cpu_dai,
Q6AFE_LPASS_CLK_ID_MCLK_1,
@@ -211,6 +231,7 @@ static int sdm845_snd_startup(struct snd_pcm_substream *substream)
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 SECONDARY_MI2S_TX:
--
2.19.0.rc2