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ASoC: wm8996: Add 44.1kHz support

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The WM8996 specification has been updated to specify 44.1kHz as a supported
sample rate. Update the driver to accept this configuration.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2012-03-14 18:38:28 +00:00
parent 5ec65ee589
commit 4eb98f45b7
1 changed files with 10 additions and 9 deletions
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19
sound/soc/codecs/wm8996.c
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@ -1914,7 +1914,7 @@ static int wm8996_hw_params(struct snd_pcm_substream *substream,
{
struct snd_soc_codec *codec = dai->codec;
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
int bits, i, bclk_rate;
int bits, i, bclk_rate, best;
int aifdata = 0;
int lrclk = 0;
int dsp = 0;
@ -1963,14 +1963,11 @@ static int wm8996_hw_params(struct snd_pcm_substream *substream,
return bits;
aifdata |= (bits << WM8996_AIF1TX_WL_SHIFT) | bits;
best = 0;
for (i = 0; i < ARRAY_SIZE(dsp_divs); i++) {
if (dsp_divs[i] == params_rate(params))
break;
}
if (i == ARRAY_SIZE(dsp_divs)) {
dev_err(codec->dev, "Unsupported sample rate %dHz\n",
params_rate(params));
return -EINVAL;
if (abs(dsp_divs[i] - params_rate(params)) <
abs(dsp_divs[best] - params_rate(params)))
best = i;
}
dsp |= i << dsp_shift;
@ -2030,13 +2027,16 @@ static int wm8996_set_sysclk(struct snd_soc_dai *dai,
}
switch (wm8996->sysclk) {
case 5644800:
case 6144000:
snd_soc_update_bits(codec, WM8996_AIF_RATE,
WM8996_SYSCLK_RATE, 0);
break;
case 22579200:
case 24576000:
ratediv = WM8996_SYSCLK_DIV;
wm8996->sysclk /= 2;
case 11289600:
case 12288000:
snd_soc_update_bits(codec, WM8996_AIF_RATE,
WM8996_SYSCLK_RATE, WM8996_SYSCLK_RATE);
@ -3060,7 +3060,8 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8996 = {
};
#define WM8996_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000)
SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
SNDRV_PCM_RATE_48000)
#define WM8996_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\
SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE |\
SNDRV_PCM_FMTBIT_S32_LE)