diff options
| author | Richard Fitzgerald <rf@opensource.wolfsonmicro.com> | 2015-06-02 13:53:35 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-06-02 23:07:20 +0300 |
| commit | 2c118b4c277406bbd380c9e4adfdcb4424160546 (patch) | |
| tree | b8f97698c0d29b035b336c8471e9d67259fddae4 | |
| parent | 81ac58b13f815d7c7838bc347dd5d102707a11b7 (diff) | |
| download | linux-2c118b4c277406bbd380c9e4adfdcb4424160546.tar.xz | |
ASoC: arizona: Add DVFS handling for sample rate control
The WM8997 and WM5102 codecs need to boost DVFS for higher sample rates.
Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | sound/soc/codecs/arizona.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index b2d8b048b825..5939ce467352 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -1394,7 +1394,7 @@ static int arizona_hw_params_rate(struct snd_pcm_substream *substream, 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; - int i, sr_val; + int i, sr_val, ret; /* * We will need to be more flexible than this in future, @@ -1410,6 +1410,23 @@ static int arizona_hw_params_rate(struct snd_pcm_substream *substream, } sr_val = i; + switch (priv->arizona->type) { + case WM5102: + case WM8997: + if (arizona_sr_vals[sr_val] >= 88200) + ret = arizona_dvfs_up(codec, ARIZONA_DVFS_SR1_RQ); + else + ret = arizona_dvfs_down(codec, ARIZONA_DVFS_SR1_RQ); + + if (ret) { + arizona_aif_err(dai, "Failed to change DVFS %d\n", ret); + return ret; + } + break; + default: + break; + } + switch (dai_priv->clk) { case ARIZONA_CLK_SYSCLK: switch (priv->arizona->type) { |