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-rw-r--r--src/modules/px4iofirmware/px4io.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/modules/px4iofirmware/px4io.h b/src/modules/px4iofirmware/px4io.h
index bffbc0ce2..393e0560e 100644
--- a/src/modules/px4iofirmware/px4io.h
+++ b/src/modules/px4iofirmware/px4io.h
@@ -178,7 +178,7 @@ extern pwm_limit_t pwm_limit;
* Mixer
*/
extern void mixer_tick(void);
-extern void mixer_handle_text(const void *buffer, size_t length);
+extern int mixer_handle_text(const void *buffer, size_t length);
/**
* Safety switch/LED.