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ASoC: arizona: Enable ASYNCCLK domain for audio interfaces 

If an audio interface is configured to use ASYNCCLK then update the
asynchronous sample rate rather than one of our primary sample rates.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2012-07-04 20:05:57 +01:00
parent 42810d1622
commit c013b27a17
1 changed files with 24 additions and 6 deletions
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30
sound/soc/codecs/arizona.c
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@ -507,6 +507,8 @@ static int arizona_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1];
int base = dai->driver->base;
const int *rates;
int i;
@ -530,10 +532,6 @@ static int arizona_hw_params(struct snd_pcm_substream *substream,
return -EINVAL;
}
/*
* We will need to be more flexible than this in future,
* currently we use a single sample rate for the chip.
*/
for (i = 0; i < ARRAY_SIZE(arizona_sr_vals); i++)
if (arizona_sr_vals[i] == params_rate(params))
break;
@ -552,8 +550,28 @@ static int arizona_hw_params(struct snd_pcm_substream *substream,
wl = snd_pcm_format_width(params_format(params));
frame = wl << ARIZONA_AIF1TX_WL_SHIFT | wl;
snd_soc_update_bits(codec, ARIZONA_SAMPLE_RATE_1,
ARIZONA_SAMPLE_RATE_1_MASK, sr_val);
/*
* We will need to be more flexible than this in future,
* currently we use a single sample rate for SYSCLK.
*/
switch (dai_priv->clk) {
case ARIZONA_CLK_SYSCLK:
snd_soc_update_bits(codec, ARIZONA_SAMPLE_RATE_1,
ARIZONA_SAMPLE_RATE_1_MASK, sr_val);
snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL,
ARIZONA_AIF1_RATE_MASK, 0);
break;
case ARIZONA_CLK_ASYNCCLK:
snd_soc_update_bits(codec, ARIZONA_ASYNC_SAMPLE_RATE_1,
ARIZONA_ASYNC_SAMPLE_RATE_MASK, sr_val);
snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL,
ARIZONA_AIF1_RATE_MASK, 8);
break;
default:
arizona_aif_err(dai, "Invalid clock %d\n", dai_priv->clk);
return -EINVAL;
}
snd_soc_update_bits(codec, base + ARIZONA_AIF_BCLK_CTRL,
ARIZONA_AIF1_BCLK_FREQ_MASK, bclk);
snd_soc_update_bits(codec, base + ARIZONA_AIF_TX_BCLK_RATE,