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ASoC: Fix BCLK calculation of WM8994 

This fixes BCLK calculation and removes unnecessary check code.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Joonyoung Shim 2010-02-02 18:53:19 +09:00 committed by Mark Brown
parent fead215d1c
commit 07cd8ada1a
1 changed files with 2 additions and 5 deletions
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7
sound/soc/codecs/wm8994.c
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@ -3267,15 +3267,12 @@ static int wm8994_hw_params(struct snd_pcm_substream *substream,
*/ */
best = 0; best = 0;
for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) { for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
if (bclk_divs[i] < 0) cur_val = (wm8994->aifclk[id] * 10 / bclk_divs[i]) - bclk_rate;
continue;
cur_val = (wm8994->aifclk[id] * 10 / bclk_divs[i])
- bclk_rate * 10;
if (cur_val < 0) /* BCLK table is sorted */ if (cur_val < 0) /* BCLK table is sorted */
break; break;
best = i; best = i;
} }
bclk_rate = wm8994->aifclk[id] / bclk_divs[best]; bclk_rate = wm8994->aifclk[id] * 10 / bclk_divs[best];
dev_dbg(dai->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n", dev_dbg(dai->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
bclk_divs[best], bclk_rate); bclk_divs[best], bclk_rate);
bclk |= best << WM8994_AIF1_BCLK_DIV_SHIFT; bclk |= best << WM8994_AIF1_BCLK_DIV_SHIFT;