diff options
Diffstat (limited to 'sound/soc/samsung/speyside.c')
| -rw-r--r-- | sound/soc/samsung/speyside.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sound/soc/samsung/speyside.c b/sound/soc/samsung/speyside.c index 6ec44a354a6d..1e51750fd3a2 100644 --- a/sound/soc/samsung/speyside.c +++ b/sound/soc/samsung/speyside.c @@ -14,6 +14,33 @@ #include "../codecs/wm8915.h" +static int speyside_set_bias_level(struct snd_soc_card *card, + enum snd_soc_bias_level level) +{ + struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai; + int ret; + + switch (level) { + case SND_SOC_BIAS_STANDBY: + ret = snd_soc_dai_set_sysclk(codec_dai, WM8915_SYSCLK_MCLK1, + 32768, SND_SOC_CLOCK_IN); + if (ret < 0) + return ret; + + ret = snd_soc_dai_set_pll(codec_dai, WM8915_FLL_MCLK1, + 0, 0, 0); + if (ret < 0) { + pr_err("Failed to stop FLL\n"); + return ret; + } + + default: + break; + } + + return 0; +} + static int speyside_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { @@ -51,6 +78,13 @@ static struct snd_soc_ops speyside_ops = { .hw_params = speyside_hw_params, }; +static int speyside_wm8915_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_dai *dai = rtd->codec_dai; + + return snd_soc_dai_set_sysclk(dai, WM8915_SYSCLK_MCLK1, 32768, 0); +} + static struct snd_soc_dai_link speyside_dai[] = { { .name = "CPU", @@ -59,6 +93,7 @@ static struct snd_soc_dai_link speyside_dai[] = { .codec_dai_name = "wm8915-aif1", .platform_name = "samsung-audio", .codec_name = "wm8915.1-001a", + .init = speyside_wm8915_init, .ops = &speyside_ops, }, }; @@ -91,6 +126,8 @@ static struct snd_soc_card speyside = { .dai_link = speyside_dai, .num_links = ARRAY_SIZE(speyside_dai), + .set_bias_level = speyside_set_bias_level, + .dapm_widgets = widgets, .num_dapm_widgets = ARRAY_SIZE(widgets), .dapm_routes = audio_paths, |