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-rw-r--r--sound/soc/samsung/speyside.c37
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,