Commit e05854dd authored Apr 24, 2012 by Kyung-Kwee Ryu Committed by Mark Brown Apr 25, 2012

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

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>

parent dd7b10b3

sound/soc/codecs/wm8994.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);