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ASoC: Support a wider range of sample rates on Speyside WM8962

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As we've only got one audio interface and it is symmetric we can just set
SYSCLK based on the sample rate requested by the application layer. Provide
a default so bypass paths work before audio playback.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2011-09-23 16:05:00 +01:00
parent 0a742681e6
commit ef473fee67
1 changed files with 6 additions and 2 deletions
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8
sound/soc/samsung/speyside_wm8962.c
View file

@ -16,6 +16,8 @@
#include "../codecs/wm8962.h"
static int sample_rate = 44100;
static int speyside_wm8962_set_bias_level(struct snd_soc_card *card,
struct snd_soc_dapm_context *dapm,
enum snd_soc_bias_level level)
@ -31,13 +33,13 @@ static int speyside_wm8962_set_bias_level(struct snd_soc_card *card,
if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
ret = snd_soc_dai_set_pll(codec_dai, WM8962_FLL,
WM8962_FLL_MCLK, 32768,
44100 * 512);
sample_rate * 512);
if (ret < 0)
pr_err("Failed to start FLL: %d\n", ret);
ret = snd_soc_dai_set_sysclk(codec_dai,
WM8962_SYSCLK_FLL,
44100 * 512,
sample_rate * 512,
SND_SOC_CLOCK_IN);
if (ret < 0) {
pr_err("Failed to set SYSCLK: %d\n", ret);
@ -109,6 +111,8 @@ static int speyside_wm8962_hw_params(struct snd_pcm_substream *substream,
if (ret < 0)
return ret;
sample_rate = params_rate(params);
return 0;
}