* @return True when changed, false otherwise.
*/
virtual bool SetHDMIPort(uint8_t iPort) = 0;
+
+ /*!
+ * @brief Sends a volume up keypress to an audiosystem if it's present.
+ * @return The new audio status.
+ */
+ virtual uint8_t VolumeUp(void) = 0;
+
+ /*!
+ * @brief Sends a volume down keypress to an audiosystem if it's present.
+ * @return The new audio status.
+ */
+ virtual uint8_t VolumeDown(void) = 0;
+
+ /*!
+ * @brief Sends a mute keypress to an audiosystem if it's present.
+ * @return The new audio status.
+ */
+ virtual uint8_t MuteAudio(void) = 0;
};
};