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ASoC: Configure SSP port PLL for Zylonite

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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2009-01-23 11:49:45 +00:00
parent f6fca2e93c
commit a435869cac
1 changed files with 8 additions and 0 deletions
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8
sound/soc/pxa/zylonite.c
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@ -95,6 +95,7 @@ static int zylonite_voice_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
unsigned int pll_out = 0;
unsigned int acds = 0; unsigned int acds = 0;
unsigned int wm9713_div = 0; unsigned int wm9713_div = 0;
int ret = 0; int ret = 0;
@ -102,13 +103,16 @@ static int zylonite_voice_hw_params(struct snd_pcm_substream *substream,
switch (params_rate(params)) { switch (params_rate(params)) {
case 8000: case 8000:
wm9713_div = 12; wm9713_div = 12;
pll_out = 2048000;
break; break;
case 16000: case 16000:
wm9713_div = 6; wm9713_div = 6;
pll_out = 4096000;
break; break;
case 48000: case 48000:
default: default:
wm9713_div = 2; wm9713_div = 2;
pll_out = 12288000;
acds = 1; acds = 1;
break; break;
} }
@ -129,6 +133,10 @@ static int zylonite_voice_hw_params(struct snd_pcm_substream *substream,
if (ret < 0) if (ret < 0)
return ret; return ret;
ret = snd_soc_dai_set_pll(cpu_dai, 0, 0, pll_out);
if (ret < 0)
return ret;
ret = snd_soc_dai_set_clkdiv(cpu_dai, PXA_SSP_AUDIO_DIV_ACDS, acds); ret = snd_soc_dai_set_clkdiv(cpu_dai, PXA_SSP_AUDIO_DIV_ACDS, acds);
if (ret < 0) if (ret < 0)
return ret; return ret;