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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-08-21 17:18:52 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-08-22 12:45:11 +0100
commit4df0cb2fa977f99963b616487a22ebd021ea5463 (patch)
treef11974f8f04966234a1e057b4e0f499b0e427974 /sound
parentf79e7ff85223e054c2967820d3be1c125a903bd4 (diff)
downloadlinux-linaro-stable-4df0cb2fa977f99963b616487a22ebd021ea5463.tar.gz
ASoC: Clear any outstanding WM8962 FLL lock completions before waiting
Ensure that we don't spuriously trigger early. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@ti.com>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/wm8962.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 28650edfdebb..1725550c293e 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -2221,6 +2221,8 @@ static int sysclk_event(struct snd_soc_dapm_widget *w,
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
if (fll) {
+ try_wait_for_completion(&wm8962->fll_lock);
+
snd_soc_update_bits(codec, WM8962_FLL_CONTROL_1,
WM8962_FLL_ENA, WM8962_FLL_ENA);
if (wm8962->irq) {
@@ -3284,6 +3286,8 @@ static int wm8962_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
snd_soc_write(codec, WM8962_FLL_CONTROL_7, fll_div.lambda);
snd_soc_write(codec, WM8962_FLL_CONTROL_8, fll_div.n);
+ try_wait_for_completion(&wm8962->fll_lock);
+
snd_soc_update_bits(codec, WM8962_FLL_CONTROL_1,
WM8962_FLL_FRAC | WM8962_FLL_REFCLK_SRC_MASK |
WM8962_FLL_ENA, fll1);