I have a new audio issue with KDE on 5.7.1 which is a regression from 5.6.5. I have created this bug on the KDE tracker for this: https://bugs.kde.org/show_bug.cgi?id=366149.
Is there a workaround for this?
Copy of the bug report follows:
I have an Intel-HDA card with PulseAudio 7.1.1 on Fedora 23. My card is hooked up to both my external speakers as well as a headset. I can switch the audio from headset to speakers by using the commands:
``` pactl set-card-profile alsa_card.pci-0000_00_1b.0 output:analog-surround-40+input:analog-stereo pactl set-sink-port alsa_output.pci-0000_00_1b.0.analog-surround-40 analog-output-lineout amixer -c $CARD sset "Auto-Mute Mode" Disabled amixer -c $CARD sset 'Headphone',1 100 mute ```
and vice-versa:
``` pactl set-card-profile alsa_card.pci-0000_00_1b.0 output:analog-stereo+input:analog-stereo pactl set-sink-port alsa_output.pci-0000_00_1b.0.analog-stereo analog-output-headphones amixer -c $CARD sset "Auto-Mute Mode" Enabled amixer -c $CARD sset 'Headphone',1 100 unmute ```
As of Plasma 5.7.1, the above commands still work, but KDE seems to lose its connection to PulseAudio when they are run. In `.xsession-errors`, immediately upon the switch I see:
org.kde.plasma.pulseaudio: No object for name "alsa_output.pci-0000_00_1b.0.analog-surround-40"
After that point, I cannot, use the volume up/down/mute keys successfully. Though moving the sliders in the pulse-pa applet does still work.
A restart of plasma restores the connection to pulseaudio and restores the up/down/mute key functionality.
Regards, Raman
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Raman Gupta