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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-11-28 21:16:56 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-11-28 22:10:05 +0000
commitfc07ecd851bd082265b52838eff12f50b88f6114 (patch)
tree8d7f2a2be174cf82659e8c651febcc383bd9d903 /sound
parent5b895eec118ab5fec7b69102d73c1b04a86140b9 (diff)
downloadlinux-stericsson-fc07ecd851bd082265b52838eff12f50b88f6114.tar.gz
ASoC: Error out if we can't generate a LRCLK at all for WM8994
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/wm8994.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 9c982e47eb99..36ba1edfff80 100644
--- 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);
+ 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);