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ASoC: SAMSUNG: 24-bit audio playback on Exynos4210 

Using 256fs or 512fs will result in distortion of 24-bit
audio samples. This is because the lrclk generated is not
proper. Using 384 fs generates proper output.

Signed-off-by: Giridhar Maruthy <giridhar.maruthy@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Giridhar Maruthy 2011-07-13 16:52:06 +05:30 committed by Mark Brown
parent f05bdb8bb6
commit b3d7615f2a
1 changed files with 4 additions and 1 deletions
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5
sound/soc/samsung/smdk_wm8994.c
View File

@ -8,6 +8,7 @@
*/
#include "../codecs/wm8994.h"
#include <sound/pcm_params.h>
/*
* Default CFG switch settings to use this driver:
@ -44,7 +45,9 @@ static int smdk_hw_params(struct snd_pcm_substream *substream,
int ret;
/* AIF1CLK should be >=3MHz for optimal performance */
if (params_rate(params) == 8000 || params_rate(params) == 11025)
if (params_format(params) == SNDRV_PCM_FORMAT_S24_LE)
pll_out = params_rate(params) * 384;
else if (params_rate(params) == 8000 || params_rate(params) == 11025)
pll_out = params_rate(params) * 512;
else
pll_out = params_rate(params) * 256;