1 files changed, 24 insertions, 4 deletions

diff --git a/sound/soc/codecs/pcm512x.c b/sound/soc/codecs/pcm512x.c
index 4cc24a5d5c31..ce8c5dbd2164 100644
--- a/sound/soc/codecs/pcm512x.c
+++ b/sound/soc/codecs/pcm512x.c
@@ -55,6 +55,7 @@ struct pcm512x_priv {
         unsigned long overclock_dsp;
         int mute;
         struct mutex mutex;
+        unsigned int bclk_ratio;
 };
 
 /*
@@ -915,10 +916,15 @@ static int pcm512x_set_dividers(struct snd_soc_dai *dai,
         int fssp;
         int gpio;
 
-        lrclk_div = snd_soc_params_to_frame_size(params);
-        if (lrclk_div == 0) {
-                dev_err(dev, "No LRCLK?\n");
-                return -EINVAL;
+        if (pcm512x->bclk_ratio > 0) {
+                lrclk_div = pcm512x->bclk_ratio;
+        } else {
+                lrclk_div = snd_soc_params_to_frame_size(params);
+
+                if (lrclk_div == 0) {
+                        dev_err(dev, "No LRCLK?\n");
+                        return -EINVAL;
+                }
         }
 
         if (!pcm512x->pll_out) {
@@ -1383,6 +1389,19 @@ static int pcm512x_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
         return 0;
 }
 
+static int pcm512x_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
+{
+        struct snd_soc_component *component = dai->component;
+        struct pcm512x_priv *pcm512x = snd_soc_component_get_drvdata(component);
+
+        if (ratio > 256)
+                return -EINVAL;
+
+        pcm512x->bclk_ratio = ratio;
+
+        return 0;
+}
+
 static int pcm512x_digital_mute(struct snd_soc_dai *dai, int mute)
 {
         struct snd_soc_component *component = dai->component;
@@ -1435,6 +1454,7 @@ static const struct snd_soc_dai_ops pcm512x_dai_ops = {
         .hw_params = pcm512x_hw_params,
         .set_fmt = pcm512x_set_fmt,
         .digital_mute = pcm512x_digital_mute,
+        .set_bclk_ratio = pcm512x_set_bclk_ratio,
 };
 
 static struct snd_soc_dai_driver pcm512x_dai = {