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ASoC: cs42l42: Only start PLL if it is needed

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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>
This commit is contained in:
Richard Fitzgerald 2021-03-06 18:55:52 +00:00 committed by Mark Brown
parent 0ea23660c7
commit 882589bb70
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GPG Key ID: 24D68B725D5487D0
1 changed files with 3 additions and 2 deletions
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5
sound/soc/codecs/cs42l42.c
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@ -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,