ASoC: arizona: Change DAPM routes for AIF clocks when we change them

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>

1 files changed, 29 insertions, 3 deletions

diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index d0bcca95911..901b53e1d7b 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -588,12 +588,25 @@ static int arizona_hw_params(struct snd_pcm_substream *substream,
         return 0;
 }
 
+static const char *arizona_dai_clk_str(int clk_id)
+{
+        switch (clk_id) {
+        case ARIZONA_CLK_SYSCLK:
+                return "SYSCLK";
+        case ARIZONA_CLK_ASYNCCLK:
+                return "ASYNCCLK";
+        default:
+                return "Unknown clock";
+        }
+}
+
 static int arizona_dai_set_sysclk(struct snd_soc_dai *dai,
                                   int clk_id, unsigned int freq, int dir)
 {
         struct snd_soc_codec *codec = dai->codec;
         struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
         struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1];
+        struct snd_soc_dapm_route routes[2];
 
         switch (clk_id) {
         case ARIZONA_CLK_SYSCLK:
@@ -603,15 +616,28 @@ static int arizona_dai_set_sysclk(struct snd_soc_dai *dai,
                 return -EINVAL;
         }
 
-        if (clk_id != dai_priv->clk && dai->active) {
+        if (clk_id == dai_priv->clk)
+                return 0;
+
+        if (dai->active) {
                 dev_err(codec->dev, "Can't change clock on active DAI %d\n",
                         dai->id);
                 return -EBUSY;
         }
 
-        dai_priv->clk = clk_id;
+        memset(&routes, 0, sizeof(routes));
+        routes[0].sink = dai->driver->capture.stream_name;
+        routes[1].sink = dai->driver->playback.stream_name;
 
-        return 0;
+        routes[0].source = arizona_dai_clk_str(dai_priv->clk);
+        routes[1].source = arizona_dai_clk_str(dai_priv->clk);
+        snd_soc_dapm_del_routes(&codec->dapm, routes, ARRAY_SIZE(routes));
+
+        routes[0].source = arizona_dai_clk_str(clk_id);
+        routes[1].source = arizona_dai_clk_str(clk_id);
+        snd_soc_dapm_add_routes(&codec->dapm, routes, ARRAY_SIZE(routes));
+
+        return snd_soc_dapm_sync(&codec->dapm);
 }
 
 const struct snd_soc_dai_ops arizona_dai_ops = {