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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-01-17 16:28:59 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-01-17 16:48:27 +0000 |
| commit | 986b2f2c21b308e21160a40359b81370f8fee6ec (patch) | |
| tree | e9e1d540d39857a4c53ccb24d73abf1c2578e275 /sound | |
| parent | 675c496ba4e751ea5b895c83219e3bb034f648ba (diff) | |
| download | linux-986b2f2c21b308e21160a40359b81370f8fee6ec.tar.gz linux-986b2f2c21b308e21160a40359b81370f8fee6ec.tar.bz2 linux-986b2f2c21b308e21160a40359b81370f8fee6ec.zip | |
ASoC: Wait for WM8993 FLL to stabilise
Ensure the FLL is locked before we return from set_fll().
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/wm8993.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8993.c b/sound/soc/codecs/wm8993.c index 2b40c93601ed..7c7fd925db8d 100644 --- a/sound/soc/codecs/wm8993.c +++ b/sound/soc/codecs/wm8993.c @@ -444,6 +444,12 @@ static int _wm8993_set_fll(struct snd_soc_codec *codec, int fll_id, int source, /* Enable the FLL */ snd_soc_write(codec, WM8993_FLL_CONTROL_1, reg1 | WM8993_FLL_ENA); + /* Both overestimates */ + if (Fref < 1000000) + msleep(3); + else + msleep(1); + dev_dbg(codec->dev, "FLL enabled at %dHz->%dHz\n", Fref, Fout); wm8993->fll_fref = Fref; |