ASoC: arizona: Enable ASYNCCLK domain for audio interfaces

If an audio interface is configured to use ASYNCCLK then update the
asynchronous sample rate rather than one of our primary sample rates.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 24 insertions, 6 deletions

diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 8e066ebf1227..d0bcca959111 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -507,6 +507,8 @@ static int arizona_hw_params(struct snd_pcm_substream *substream,
                              struct snd_soc_dai *dai)
 {
         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];
         int base = dai->driver->base;
         const int *rates;
         int i;
@@ -530,10 +532,6 @@ static int arizona_hw_params(struct snd_pcm_substream *substream,
                 return -EINVAL;
         }
 
-        /*
-         * We will need to be more flexible than this in future,
-         * currently we use a single sample rate for the chip.
-         */
         for (i = 0; i < ARRAY_SIZE(arizona_sr_vals); i++)
                 if (arizona_sr_vals[i] == params_rate(params))
                         break;
@@ -552,8 +550,28 @@ static int arizona_hw_params(struct snd_pcm_substream *substream,
         wl = snd_pcm_format_width(params_format(params));
         frame = wl << ARIZONA_AIF1TX_WL_SHIFT | wl;
 
-        snd_soc_update_bits(codec, ARIZONA_SAMPLE_RATE_1,
-                            ARIZONA_SAMPLE_RATE_1_MASK, sr_val);
+        /*
+         * We will need to be more flexible than this in future,
+         * currently we use a single sample rate for SYSCLK.
+         */
+        switch (dai_priv->clk) {
+        case ARIZONA_CLK_SYSCLK:
+                snd_soc_update_bits(codec, ARIZONA_SAMPLE_RATE_1,
+                                    ARIZONA_SAMPLE_RATE_1_MASK, sr_val);
+                snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL,
+                                    ARIZONA_AIF1_RATE_MASK, 0);
+                break;
+        case ARIZONA_CLK_ASYNCCLK:
+                snd_soc_update_bits(codec, ARIZONA_ASYNC_SAMPLE_RATE_1,
+                                    ARIZONA_ASYNC_SAMPLE_RATE_MASK, sr_val);
+                snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL,
+                                    ARIZONA_AIF1_RATE_MASK, 8);
+                break;
+        default:
+                arizona_aif_err(dai, "Invalid clock %d\n", dai_priv->clk);
+                return -EINVAL;
+        }
+
         snd_soc_update_bits(codec, base + ARIZONA_AIF_BCLK_CTRL,
                             ARIZONA_AIF1_BCLK_FREQ_MASK, bclk);
         snd_soc_update_bits(codec, base + ARIZONA_AIF_TX_BCLK_RATE,