Set OSR bit if mclk/fs ratio is 512.
Signed-off-by: Olivier Moysan olivier.moysan@st.com --- sound/soc/stm/stm32_sai_sub.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/sound/soc/stm/stm32_sai_sub.c b/sound/soc/stm/stm32_sai_sub.c index cad415e03b5e..cb658463ccd1 100644 --- a/sound/soc/stm/stm32_sai_sub.c +++ b/sound/soc/stm/stm32_sai_sub.c @@ -913,7 +913,7 @@ static int stm32_sai_configure_clock(struct snd_soc_dai *cpu_dai, struct snd_pcm_hw_params *params) { struct stm32_sai_sub_data *sai = snd_soc_dai_get_drvdata(cpu_dai); - int div = 0; + int div = 0, cr1 = 0; int sai_clk_rate, mclk_ratio, den; unsigned int rate = params_rate(params);
@@ -958,13 +958,19 @@ static int stm32_sai_configure_clock(struct snd_soc_dai *cpu_dai, } else { if (sai->mclk_rate) { mclk_ratio = sai->mclk_rate / rate; - if ((mclk_ratio != 512) && - (mclk_ratio != 256)) { + if (mclk_ratio == 512) { + cr1 = SAI_XCR1_OSR; + } else if (mclk_ratio != 256) { dev_err(cpu_dai->dev, "Wrong mclk ratio %d\n", mclk_ratio); return -EINVAL; } + + regmap_update_bits(sai->regmap, + STM_SAI_CR1_REGX, + SAI_XCR1_OSR, cr1); + div = stm32_sai_get_clk_div(sai, sai_clk_rate, sai->mclk_rate); if (div < 0)