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ASoC: Warn on low WM8994 AIFCLK

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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Mark Brown
2010-04-25 12:20:30 +01:00
parent 759512fbac
commit 5e5e2bef28
1 changed files with 5 additions and 0 deletions
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5
sound/soc/codecs/wm8994.c
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@@ -1769,6 +1769,11 @@ static int configure_aif_clock(struct snd_soc_codec *codec, int aif)
dev_dbg(codec->dev, "Dividing AIF%d clock to %dHz\n", dev_dbg(codec->dev, "Dividing AIF%d clock to %dHz\n",
aif + 1, rate); aif + 1, rate);
} }
if (rate && rate < 3000000)
dev_warn(codec->dev, "AIF%dCLK is %dHz, should be >=3MHz for optimal performance\n",
aif + 1, rate);
wm8994->aifclk[aif] = rate; wm8994->aifclk[aif] = rate;
snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1 + offset, snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1 + offset,