Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- sound/soc/codecs/wm8962.c | 16 +++++++++++++++- 1 files changed, 15 insertions(+), 1 deletions(-)
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c index 500011e..d6b78b2 100644 --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -58,6 +58,7 @@ struct wm8962_priv { int bclk; /* Desired BCLK */ int lrclk;
+ struct completion fll_lock; int fll_src; int fll_fref; int fll_fout; @@ -3178,6 +3179,7 @@ static int wm8962_set_fll(struct snd_soc_dai *dai, int fll_id, int source, struct snd_soc_codec *codec = dai->codec; struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); struct _fll_div fll_div; + unsigned long timeout; int ret; int fll1 = snd_soc_read(codec, WM8962_FLL_CONTROL_1) & WM8962_FLL_ENA;
@@ -3244,6 +3246,11 @@ static int wm8962_set_fll(struct snd_soc_dai *dai, int fll_id, int source,
dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout);
+ /* This should be a massive overestimate */ + timeout = msecs_to_jiffies(1); + + wait_for_completion_timeout(&wm8962->fll_lock, timeout); + wm8962->fll_fref = Fref; wm8962->fll_fout = Fout; wm8962->fll_src = source; @@ -3340,6 +3347,11 @@ static irqreturn_t wm8962_irq(int irq, void *data) active = snd_soc_read(codec, WM8962_INTERRUPT_STATUS_2); active &= ~mask;
+ if (active & WM8962_FLL_LOCK_EINT) { + dev_dbg(codec->dev, "FLL locked\n"); + complete(&wm8962->fll_lock); + } + if (active & WM8962_FIFOS_ERR_EINT) dev_err(codec->dev, "FIFO error\n");
@@ -3712,6 +3724,7 @@ static int wm8962_probe(struct snd_soc_codec *codec)
wm8962->codec = codec; INIT_DELAYED_WORK(&wm8962->mic_work, wm8962_mic_work); + init_completion(&wm8962->fll_lock);
codec->cache_sync = 1; codec->dapm.idle_bias_off = 1; @@ -3868,9 +3881,10 @@ static int wm8962_probe(struct snd_soc_codec *codec) i2c->irq, ret); /* Non-fatal */ } else { - /* Enable error reporting IRQs by default */ + /* Enable some IRQs by default */ snd_soc_update_bits(codec, WM8962_INTERRUPT_STATUS_2_MASK, + WM8962_FLL_LOCK_EINT | WM8962_TEMP_SHUT_EINT | WM8962_FIFOS_ERR_EINT, 0); }