From: Richard Fitzgerald rf@opensource.wolfsonmicro.com
Some 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 --- sound/soc/codecs/arizona.c | 22 +++++++++++++++++++++- 1 files changed, 21 insertions(+), 1 deletions(-)
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index d441d80..c5b6be2 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -1185,7 +1185,7 @@ 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, @@ -1201,6 +1201,26 @@ 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(priv->arizona, + ARIZONA_DVFS_SR1_RQ); + else + ret = arizona_dvfs_down(priv->arizona, + ARIZONA_DVFS_SR1_RQ); + + if (ret != 0) { + 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) {