-@@ -431,6 +431,39 @@ pa_cvolume* pa_cvolume_inc(pa_cvolume *v, pa_volume_t inc);
- * the channels are kept. \since 0.9.16 */
+@@ -437,6 +437,39 @@ pa_cvolume* pa_cvolume_inc(pa_cvolume *v, pa_volume_t inc);
+ * the channels are kept. Returns \a v, or NULL on error. \since 0.9.16 */