浏览代码

ASoC: Intel: Use MCLK instead of BLCK as the sysclock for RT5514 codec on kabylake platform

This patch fixes the pop noise in dmic recording using rt5514 on kabylake platform.
This patch enables the rt5514 to use MCLK instead of BLCK as the sysclock which fixes
the pop noise.

Signed-off-by: Harsha Priya <harshapriya.n@intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Harsha Priya N 8 年之前
父节点
当前提交
6512dd4dcf
共有 1 个文件被更改,包括 2 次插入11 次删除
  1. 2 11
      sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c

+ 2 - 11
sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c

@@ -351,19 +351,10 @@ static int kabylake_ssp0_hw_params(struct snd_pcm_substream *substream,
 				return ret;
 			}
 
-			ret = snd_soc_dai_set_pll(codec_dai, 0,
-				RT5514_PLL1_S_BCLK, RT5514_AIF1_BCLK_FREQ,
-						RT5514_AIF1_SYSCLK_FREQ);
-			if (ret < 0) {
-				dev_err(rtd->dev, "set bclk err: %d\n", ret);
-				return ret;
-			}
-
 			ret = snd_soc_dai_set_sysclk(codec_dai,
-				RT5514_SCLK_S_PLL1, RT5514_AIF1_SYSCLK_FREQ,
-							SND_SOC_CLOCK_IN);
+				RT5514_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);
 			if (ret < 0) {
-				dev_err(rtd->dev, "set sclk err: %d\n", ret);
+				dev_err(rtd->dev, "set sysclk err: %d\n", ret);
 				return ret;
 			}
 		}