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,