diff options
| author | Richard Fitzgerald <rf@opensource.cirrus.com> | 2021-03-06 18:55:52 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-03-10 13:14:30 +0000 |
| commit | 882589bb707ba78d25dd193beefde97e00a3da6b (patch) | |
| tree | d687b60e9af942f3bb0282ca15a74a13a76c8bab /sound/soc/codecs/cs42l42.c | |
| parent | 0ea23660c7170124fc06ec363b4d2adfa350cf2f (diff) | |
ASoC: cs42l42: Only start PLL if it is needed
The PLL is only needed for sclk < 11289600 Hz and cs42l42_pll_config()
will not configure it for higher rates. So it must only be enabled
when it is needed.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210306185553.62053-15-tanureal@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/cs42l42.c')
| -rw-r--r-- | sound/soc/codecs/cs42l42.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sound/soc/codecs/cs42l42.c b/sound/soc/codecs/cs42l42.c index 08718fd10fb9..d7a314aa59b7 100644 --- a/sound/soc/codecs/cs42l42.c +++ b/sound/soc/codecs/cs42l42.c @@ -887,8 +887,9 @@ static int cs42l42_mute_stream(struct snd_soc_dai *dai, int mute, int stream) } else { if (!cs42l42->stream_use) { /* SCLK must be running before codec unmute */ - snd_soc_component_update_bits(component, CS42L42_PLL_CTL1, - CS42L42_PLL_START_MASK, 1); + if ((cs42l42->bclk < 11289600) && (cs42l42->sclk < 11289600)) + snd_soc_component_update_bits(component, CS42L42_PLL_CTL1, + CS42L42_PLL_START_MASK, 1); /* Mark SCLK as present, turn off internal oscillator */ regmap_multi_reg_write(cs42l42->regmap, cs42l42_to_sclk_seq, |