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| author | Mark Brown <broonie@kernel.org> | 2019-07-06 12:25:26 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-07-06 12:25:26 +0100 |
| commit | 043b35f281f5f141e7a928d27492133ef33b8119 (patch) | |
| tree | 30a9598866d6b8d44ee6b3fe88506881f23e0203 /sound/soc/codecs/nau8822.c | |
| parent | 0dceaf7c798de953c74073cc77be40b7be49abbc (diff) | |
| parent | 87a6fe80d56be85bda093c4dd8a3e6535bda7e4a (diff) | |
| download | linux-043b35f281f5f141e7a928d27492133ef33b8119.tar.gz linux-043b35f281f5f141e7a928d27492133ef33b8119.tar.bz2 linux-043b35f281f5f141e7a928d27492133ef33b8119.zip | |
Merge branch 'asoc-5.3' into asoc-next
Diffstat (limited to 'sound/soc/codecs/nau8822.c')
| -rw-r--r-- | sound/soc/codecs/nau8822.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/sound/soc/codecs/nau8822.c b/sound/soc/codecs/nau8822.c index c6152a044416..78db3bd0b3bc 100644 --- a/sound/soc/codecs/nau8822.c +++ b/sound/soc/codecs/nau8822.c @@ -828,6 +828,24 @@ static int nau8822_hw_params(struct snd_pcm_substream *substream, struct snd_soc_component *component = dai->component; struct nau8822 *nau8822 = snd_soc_component_get_drvdata(component); int val_len = 0, val_rate = 0; + unsigned int ctrl_val, bclk_fs, bclk_div; + + /* make BCLK and LRC divide configuration if the codec as master. */ + snd_soc_component_read(component, NAU8822_REG_CLOCKING, &ctrl_val); + if (ctrl_val & NAU8822_CLK_MASTER) { + /* get the bclk and fs ratio */ + bclk_fs = snd_soc_params_to_bclk(params) / params_rate(params); + if (bclk_fs <= 32) + bclk_div = NAU8822_BCLKDIV_8; + else if (bclk_fs <= 64) + bclk_div = NAU8822_BCLKDIV_4; + else if (bclk_fs <= 128) + bclk_div = NAU8822_BCLKDIV_2; + else + return -EINVAL; + snd_soc_component_update_bits(component, NAU8822_REG_CLOCKING, + NAU8822_BCLKSEL_MASK, bclk_div); + } switch (params_format(params)) { case SNDRV_PCM_FORMAT_S16_LE: |