3 files changed, 4 insertions, 4 deletions

diff --git a/include/sound/ak4114.h b/include/sound/ak4114.h
index 85f49d464751..c149d3b2558b 100644
--- a/include/sound/ak4114.h
+++ b/include/sound/ak4114.h
@@ -188,7 +188,7 @@ struct ak4114 {
 
 int snd_ak4114_create(struct snd_card *card,
                       ak4114_read_t *read, ak4114_write_t *write,
-                      unsigned char pgm[7], unsigned char txcsb[5],
+                      const unsigned char pgm[7], const unsigned char txcsb[5],
                       void *private_data, struct ak4114 **r_ak4114);
 void snd_ak4114_reg_write(struct ak4114 *ak4114, unsigned char reg, unsigned char mask, unsigned char val);
 void snd_ak4114_reinit(struct ak4114 *ak4114);
diff --git a/include/sound/ak4117.h b/include/sound/ak4117.h
index 2b96c32f06fd..d650d52e3d29 100644
--- a/include/sound/ak4117.h
+++ b/include/sound/ak4117.h
@@ -178,7 +178,7 @@ struct ak4117 {
 };
 
 int snd_ak4117_create(struct snd_card *card, ak4117_read_t *read, ak4117_write_t *write,
-                      unsigned char pgm[5], void *private_data, struct ak4117 **r_ak4117);
+                      const unsigned char pgm[5], void *private_data, struct ak4117 **r_ak4117);
 void snd_ak4117_reg_write(struct ak4117 *ak4117, unsigned char reg, unsigned char mask, unsigned char val);
 void snd_ak4117_reinit(struct ak4117 *ak4117);
 int snd_ak4117_build(struct ak4117 *ak4117, struct snd_pcm_substream *capture_substream);
diff --git a/include/sound/ak4xxx-adda.h b/include/sound/ak4xxx-adda.h
index d01d53528015..aa49dda4f410 100644
--- a/include/sound/ak4xxx-adda.h
+++ b/include/sound/ak4xxx-adda.h
@@ -71,8 +71,8 @@ struct snd_akm4xxx {
         } type;
 
         /* (array) information of combined codecs */
-        struct snd_akm4xxx_dac_channel *dac_info;
-        struct snd_akm4xxx_adc_channel *adc_info;
+        const struct snd_akm4xxx_dac_channel *dac_info;
+        const struct snd_akm4xxx_adc_channel *adc_info;
 
         struct snd_ak4xxx_ops ops;
 };