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ASoC: wm8994: Make sure we disable FLL bypass when stopping the FLL

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If FLL bypass is left enabled when we disable the CODEC then the output
clock will be left running which consumes a small amount of additional
current. Only enable bypass when there is an output.

Signed-off-by: Kyung-Kwee Ryu <Kyung-Kwee.Ryu@wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Kyung-Kwee Ryu 2012-04-24 18:01:48 +01:00 committed by Mark Brown
parent dd7b10b30c
commit e05854ddaa
1 changed files with 1 additions and 1 deletions
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2
sound/soc/codecs/wm8994.c
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@ -1982,7 +1982,7 @@ static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src,
WM8994_FLL1_ENA, 0);
if (wm8994->fll_byp && src == WM8994_FLL_SRC_BCLK &&
freq_in == freq_out) {
freq_in == freq_out && freq_out) {
dev_dbg(codec->dev, "Bypassing FLL%d\n", id + 1);
snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_5 + reg_offset,
WM8958_FLL1_BYP, WM8958_FLL1_BYP);