On Thu, 24 Sep 2009, Nick Davies wrote: > I've tried to control the headset's volume via the volume control on > my platform. I am curious about how the headset's volume is controlled? > Just send some special bluetooth packets to the headset, and then change > some registers related with volume control of the headset? Yes, it uses a straight serial (over RFCOMM) link with commands/responses being sent each way in plaintext. eg from Audio Gateway (computer) to Headset: +VGS=n set headset speaker volume (0-15) +VGM=n set headset microphone gain (0-15) > Any explanations are welcome! You can find more information in the "Headset Profile" specification at www.bluetooth.com regards, iain -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
