From: Kyung-Kwee Ryu Kyung-Kwee.Ryu@wolfsonmicro.com

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 --- sound/soc/codecs/wm8994.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c index 4cebac4..746d3db 100644 --- a/sound/soc/codecs/wm8994.c +++ b/sound/soc/codecs/wm8994.c @@ -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);