1 files changed, 4 insertions, 4 deletions

diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index cc99dd404934..075244ef41eb 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -260,10 +260,10 @@ int snd_soc_dapm_set_bias_level(struct snd_soc_device *socdev,
 int snd_soc_dapm_sys_add(struct device *dev);
 
 /* dapm audio pin control and status */
-int snd_soc_dapm_enable_pin(struct snd_soc_codec *codec, char *pin);
-int snd_soc_dapm_disable_pin(struct snd_soc_codec *codec, char *pin);
-int snd_soc_dapm_nc_pin(struct snd_soc_codec *codec, char *pin);
-int snd_soc_dapm_get_pin_status(struct snd_soc_codec *codec, char *pin);
+int snd_soc_dapm_enable_pin(struct snd_soc_codec *codec, const char *pin);
+int snd_soc_dapm_disable_pin(struct snd_soc_codec *codec, const char *pin);
+int snd_soc_dapm_nc_pin(struct snd_soc_codec *codec, const char *pin);
+int snd_soc_dapm_get_pin_status(struct snd_soc_codec *codec, const char *pin);
 int snd_soc_dapm_sync(struct snd_soc_codec *codec);
 
 /* dapm widget types */