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ASoC: Handle failed WM8994 FLL lock waits

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Try the completion before we start the FLL so that if an interrupt was
delayed long enough for us to miss it we don't wait for the completion
it signalled.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2011-07-16 03:12:18 +09:00
parent 1479c3fb5f
commit f0f5039c3d
1 changed files with 3 additions and 0 deletions
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3
sound/soc/codecs/wm8994.c
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@ -1713,6 +1713,9 @@ static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src,
(fll.clk_ref_div << WM8994_FLL1_REFCLK_DIV_SHIFT) |
(src - 1));
/* Clear any pending completion from a previous failure */
try_wait_for_completion(&wm8994->fll_locked[id]);
/* Enable (with fractional mode if required) */
if (freq_out) {
if (fll.k)