diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index 761fa8229a091..4650a6931a946 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -347,6 +347,7 @@ static int fsl_sai_set_bclk(struct snd_soc_dai *dai, bool tx, u32 freq) int adir = tx ? RX : TX; int dir = tx ? TX : RX; u32 id; + bool support_1_1_ratio = sai->verid.version >= 0x0301; /* Don't apply to consumer mode */ if (sai->is_consumer_mode) @@ -367,7 +368,11 @@ static int fsl_sai_set_bclk(struct snd_soc_dai *dai, bool tx, u32 freq) continue; ratio = DIV_ROUND_CLOSEST(clk_rate, freq); - if (!ratio || ratio > 512 || ratio & 1) + if (!ratio || ratio > 512) + continue; + if (ratio == 1 && !support_1_1_ratio) + continue; + else if (ratio & 1) continue; diff = abs((long)clk_rate - ratio * freq); @@ -422,7 +427,15 @@ static int fsl_sai_set_bclk(struct snd_soc_dai *dai, bool tx, u32 freq) regmap_update_bits(sai->regmap, reg, FSL_SAI_CR2_MSEL_MASK, FSL_SAI_CR2_MSEL(sai->mclk_id[tx])); - regmap_update_bits(sai->regmap, reg, FSL_SAI_CR2_DIV_MASK, savediv / 2 - 1); + + if (savediv == 1) + regmap_update_bits(sai->regmap, reg, + FSL_SAI_CR2_DIV_MASK | FSL_SAI_CR2_BYP, + FSL_SAI_CR2_BYP); + else + regmap_update_bits(sai->regmap, reg, + FSL_SAI_CR2_DIV_MASK | FSL_SAI_CR2_BYP, + savediv / 2 - 1); return 0; }