[alsa-devel] [PATCH] ASoC: Fix BCLK calculation of WM8994

Joonyoung Shim jy0922.shim at samsung.com
Tue Feb 2 10:41:49 CET 2010


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This fixes BCLK calculation and removes unnecessary check code.

Signed-off-by: Joonyoung Shim <jy0922.shim at samsung.com>
---
 sound/soc/codecs/wm8994.c |    7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 5dd4b29..29f3771 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3267,15 +3267,12 @@ static int wm8994_hw_params(struct snd_pcm_substream *substream,
 	 */
 	best = 0;
 	for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
-		if (bclk_divs[i] < 0)
-			continue;
-		cur_val = (wm8994->aifclk[id] * 10 / bclk_divs[i])
-			- bclk_rate * 10;
+		cur_val = (wm8994->aifclk[id] * 10 / bclk_divs[i]) - bclk_rate;
 		if (cur_val < 0) /* BCLK table is sorted */
 			break;
 		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",
 		bclk_divs[best], bclk_rate);
 	bclk |= best << WM8994_AIF1_BCLK_DIV_SHIFT;
-- 
1.6.3.3


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