CEC Volume Control via HDMI

My Sony TV recognises Volume (version 1.55 running on a Raspberry Pi2) on the HDMI bus and it attempts to control the volume of the Volumio player, but nothing happens.

Does anybody know if there is a CEC script / interface in Volumio to allow CEC to control the volume and the functions of Volumio?

Any pointers / links on how to enable or implement this?

Regards

Mars5

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The complete web interface on the HDMI connected TV controlled with your TV’s remote control via CEC, that would be great!!!

Is that possible? I am running a RPI 2B so fast enough for running Volumio besides web browser.

Please show me!

Thanks!
Hans.

A HDMI-CEC device (e.g. A/V receiver, TV) can be controlled via the tool “cec-client” on a RaspberryPi.
Vice versa a RaspberryPi can receive HDMI-CEC commands with “cec-client”.
It is also possible to use CEC ALSA Volume to control the hardware/software mixer of a DAC via HDMI-CEC.