diff options
| author | Lucas Tanure <tanureal@opensource.cirrus.com> | 2021-03-06 18:55:50 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-03-10 13:14:28 +0000 |
| commit | 2cdba9b045c745139ae56227d71f261f5d3c6fae (patch) | |
| tree | 11b8ac829aa7a030ddbe74f889679ccc8399e642 | |
| parent | c5b8ee0879bcdc5082d42fe92d3c235b74feef37 (diff) | |
ASoC: cs42l42: Use bclk from hw_params if set_sysclk was not called
Add support for reading the source clock from snd_soc_params_to_bclk
so the machine driver is not required to call cs42l42_set_sysclk
Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210306185553.62053-13-tanureal@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | sound/soc/codecs/cs42l42.c | 17 | ||||
| -rw-r--r-- | sound/soc/codecs/cs42l42.h | 1 |
2 files changed, 14 insertions, 4 deletions
diff --git a/sound/soc/codecs/cs42l42.c b/sound/soc/codecs/cs42l42.c index 594bf2252103..68b7ed71ad54 100644 --- a/sound/soc/codecs/cs42l42.c +++ b/sound/soc/codecs/cs42l42.c @@ -588,10 +588,16 @@ static int cs42l42_pll_config(struct snd_soc_component *component) { struct cs42l42_private *cs42l42 = snd_soc_component_get_drvdata(component); int i; + u32 clk; u32 fsync; + if (!cs42l42->sclk) + clk = cs42l42->bclk; + else + clk = cs42l42->sclk; + for (i = 0; i < ARRAY_SIZE(pll_ratio_table); i++) { - if (pll_ratio_table[i].sclk == cs42l42->sclk) { + if (pll_ratio_table[i].sclk == clk) { /* Configure the internal sample rate */ snd_soc_component_update_bits(component, CS42L42_MCLK_CTL, CS42L42_INTERNAL_FS_MASK, @@ -611,12 +617,12 @@ static int cs42l42_pll_config(struct snd_soc_component *component) (pll_ratio_table[i].mclk_div << CS42L42_MCLKDIV_SHIFT)); /* Set up the LRCLK */ - fsync = cs42l42->sclk / cs42l42->srate; - if (((fsync * cs42l42->srate) != cs42l42->sclk) + fsync = clk / cs42l42->srate; + if (((fsync * cs42l42->srate) != clk) || ((fsync % 2) != 0)) { dev_err(component->dev, "Unsupported sclk %d/sample rate %d\n", - cs42l42->sclk, + clk, cs42l42->srate); return -EINVAL; } @@ -788,6 +794,7 @@ static int cs42l42_pcm_hw_params(struct snd_pcm_substream *substream, unsigned int val = 0; cs42l42->srate = params_rate(params); + cs42l42->bclk = snd_soc_params_to_bclk(params); switch(substream->stream) { case SNDRV_PCM_STREAM_CAPTURE: @@ -921,6 +928,8 @@ static struct snd_soc_dai_driver cs42l42_dai = { .rates = SNDRV_PCM_RATE_8000_192000, .formats = CS42L42_FORMATS, }, + .symmetric_rate = 1, + .symmetric_sample_bits = 1, .ops = &cs42l42_ops, }; diff --git a/sound/soc/codecs/cs42l42.h b/sound/soc/codecs/cs42l42.h index e12828877a20..429c6833fc81 100644 --- a/sound/soc/codecs/cs42l42.h +++ b/sound/soc/codecs/cs42l42.h @@ -771,6 +771,7 @@ struct cs42l42_private { struct gpio_desc *reset_gpio; struct completion pdn_done; struct snd_soc_jack jack; + int bclk; u32 sclk; u32 srate; u8 plug_state; |