Bug#855221: pulseaudio: ThinkPad T420s docking station: no sound from external speakers

[Felipe Sateler]

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On Wed, Feb 15, 2017 at 1:04 PM, otas.pe <otas.pe at gmail.com> wrote:
>
> Hello
>
> When I plug external speakers into the docking station Lenovo Mini Dock Series
> 3 type 4337 and Lenovo Thinkpad T420s is attached then there is no sound
> although internal speakers shut down. No HW issue, it work under W10.

Could you attach the output of `pactl info` with the docking station attached?

-- 

Saludos,
Felipe Sateler