Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: pulseaudio (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1563307
Title:
Pulseaudio keeps enabling optical output
Status in pulseaudio package in Ubuntu:
Confirmed
Bug description:
My laptop (Clevo P650RA) has a combined optical out (SPDIF) and
headphone jack. The jack is continously emitting a red light for the
optical output, even when I'm not using it (which is almost always).
I can manually disable this by running 'alsamixer' and mute channel
'S/PDIF 16'. However, this state is not stored. After a reboot it is
always re-enabled. I tried saving alsa mixer levels but this is
ignored.
Additionally, when switching output profiles from 'Analog Stereo
Duplex' to 'Digital Stereo (IEC958)-output', the S/PDIF 16 channel is
unmuted again and the red light turns on. But when I switch back to
'Analog Stereo Duplex', the S/PDIF 16 channel is not muted again and
the red light remains.
Reqeuested info:
1) Description: Ubuntu Xenial Xerus (development branch) - Release:
16.04
2) pulseaudio: 1:8.0-0ubuntu2
3) I expect the S/PDIF output to be muted until I explicitly request optical
output. Even more preferable (seems to be possible at least on Mac OS X):
optical out is enabled when a optical jack is inserted, otherwise it is always
disabled.
4) S/PDIF light is nearly always on.
Please let me know if you require additional information. I'll attach
the output of 'aplay -L' and 'amixer controls'.
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