1 files changed, 14 insertions, 1 deletions

diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c
index eb40bff54cec..fd2bd74024c1 100644
--- a/sound/soc/codecs/cs42l51.c
+++ b/sound/soc/codecs/cs42l51.c
@@ -21,6 +21,7 @@
  *  - master mode *NOT* supported
  */
 
+#include <linux/clk.h>
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <sound/core.h>
@@ -41,6 +42,7 @@ enum master_slave_mode {
 
 struct cs42l51_private {
         unsigned int mclk;
+        struct clk *mclk_handle;
         unsigned int audio_mode;        /* The mode (I2S or left-justified) */
         enum master_slave_mode func;
 };
@@ -492,9 +494,13 @@ static int cs42l51_component_probe(struct snd_soc_component *component)
 {
         int ret, reg;
         struct snd_soc_dapm_context *dapm;
+        struct cs42l51_private *cs42l51;
 
+        cs42l51 = snd_soc_component_get_drvdata(component);
         dapm = snd_soc_component_get_dapm(component);
-        snd_soc_dapm_new_controls(dapm, cs42l51_dapm_mclk_widgets, 1);
+
+        if (cs42l51->mclk_handle)
+                snd_soc_dapm_new_controls(dapm, cs42l51_dapm_mclk_widgets, 1);
 
         /*
          * DAC configuration
@@ -548,6 +554,13 @@ int cs42l51_probe(struct device *dev, struct regmap *regmap)
 
         dev_set_drvdata(dev, cs42l51);
 
+        cs42l51->mclk_handle = devm_clk_get(dev, "MCLK");
+        if (IS_ERR(cs42l51->mclk_handle)) {
+                if (PTR_ERR(cs42l51->mclk_handle) != -ENOENT)
+                        return PTR_ERR(cs42l51->mclk_handle);
+                cs42l51->mclk_handle = NULL;
+        }
+
         /* Verify that we have a CS42L51 */
         ret = regmap_read(regmap, CS42L51_CHIP_REV_ID, &val);
         if (ret < 0) {