Hi Norbert, On Wed, Nov 16, 2016 at 11:38:21AM +0900, Norbert Preining wrote: > I am trying to get HDMI audio output via a Lenovo Dock Ultra in > combination with a Lenovo Thinkpad X260. > > [...] Lenovo Dock Ultra contains a DP-MST Hub to provide all those HDMI/DVI/DP ports. Audio over DP-MST is currently not supported by the i915 driver, but there are patches (developed since ~2014): https://lists.freedesktop.org/archives/intel-gfx/2016-November/111353.html -- Sebastian
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