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ASoC: Error out if we can't generate a LRCLK at all for WM8994
[pandora-kernel.git]
/
sound
/
soc
/
codecs
/
wm8994.c
diff --git
a/sound/soc/codecs/wm8994.c
b/sound/soc/codecs/wm8994.c
index
9c982e4
..
36ba1ed
100644
(file)
--- a/
sound/soc/codecs/wm8994.c
+++ b/
sound/soc/codecs/wm8994.c
@@
-2357,6
+2357,11
@@
static int wm8994_hw_params(struct snd_pcm_substream *substream,
bclk |= best << WM8994_AIF1_BCLK_DIV_SHIFT;
lrclk = bclk_rate / params_rate(params);
bclk |= best << WM8994_AIF1_BCLK_DIV_SHIFT;
lrclk = bclk_rate / params_rate(params);
+ if (!lrclk) {
+ dev_err(dai->dev, "Unable to generate LRCLK from %dHz BCLK\n",
+ bclk_rate);
+ return -EINVAL;
+ }
dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
lrclk, bclk_rate / lrclk);
dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
lrclk, bclk_rate / lrclk);