1 files changed, 14 insertions, 0 deletions

diff --git a/sound/soc/intel/cht_bsw_rt5672.c b/sound/soc/intel/cht_bsw_rt5672.c
index a406c6104897..ff016621583a 100644
--- a/sound/soc/intel/cht_bsw_rt5672.c
+++ b/sound/soc/intel/cht_bsw_rt5672.c
@@ -140,6 +140,7 @@ static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
 {
         int ret;
         struct snd_soc_dai *codec_dai = runtime->codec_dai;
+        struct snd_soc_codec *codec = codec_dai->codec;
 
         /* TDM 4 slots 24 bit, set Rx & Tx bitmask to 4 active slots */
         ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xF, 0xF, 4, 24);
@@ -148,6 +149,19 @@ static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
                 return ret;
         }
 
+        /* Select codec ASRC clock source to track I2S1 clock, because codec
+         * is in slave mode and 100fs I2S format (BCLK = 100 * LRCLK) cannot
+         * be supported by RT5672. Otherwise, ASRC will be disabled and cause
+         * noise.
+         */
+        rt5670_sel_asrc_clk_src(codec,
+                                RT5670_DA_STEREO_FILTER
+                                | RT5670_DA_MONO_L_FILTER
+                                | RT5670_DA_MONO_R_FILTER
+                                | RT5670_AD_STEREO_FILTER
+                                | RT5670_AD_MONO_L_FILTER
+                                | RT5670_AD_MONO_R_FILTER,
+                                RT5670_CLK_SEL_I2S1_ASRC);
         return 0;
 }