diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-07-04 23:05:57 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-07-05 20:44:17 +0400 |
| commit | c013b27a174e8a83d3c8df799aa37c897842efcb (patch) | |
| tree | 249a559c39b0659a7f5c5cbb6210294810bca9dc /sound/soc | |
| parent | 42810d16220484a104317007e3d8fe5269df017b (diff) | |
| download | linux-c013b27a174e8a83d3c8df799aa37c897842efcb.tar.xz | |
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>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/codecs/arizona.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index 8e066ebf1227..d0bcca959111 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -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, |