[pulseaudio-discuss] F20 PulseAudio erroneously picking up HDMI monitor for audio output

Tanu Kaskinen tanu.kaskinen at linux.intel.com
Fri Mar 7 06:27:03 PST 2014

On Wed, 2014-03-05 at 15:47 -0500, Martin Langhoff wrote:
> Hi PA folks,
> I'm not a list regular, hints of FAQs or relevant discussions welcome :-)
> My laptop, running Fedora 20, has an annoying problem. My normal
> configuration has it attached to an HDMI monitor; the audio toolchain
> mistakenly thinks it has audio capabilities, and makes the nonexistent
> HDMI audio the active output.
>  - Can I help diagnose this so that the bug is fixed, in PA or in the
> relevant plumbing?

I don't know enough about HDMI to comment on this.

>  - Can I blacklist this/any HDMI device? I don't use HDMI audio on
> this laptop at all.

You can set the card profile to "Off" in pavucontrol's Configuration
tab, or with this command:

    pactl set-card-profile alsa_card.pci-0000_00_1b.0 off


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