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-rw-r--r--apps/plugin.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/apps/plugin.h b/apps/plugin.h
index 461966e..d332a0d 100644
--- a/apps/plugin.h
+++ b/apps/plugin.h
@@ -555,7 +555,7 @@ struct plugin_api {
int (*mas_codec_readreg)(int reg);
void (*i2c_begin)(void);
void (*i2c_end)(void);
- int (*i2c_write)(int address, unsigned char* buf, int count );
+ int (*i2c_write)(int address, const unsigned char* buf, int count );
#endif
#endif