[pulseaudio-tickets] [Bug 91568] New: [N56VZ, Realtek ALC663, Black Headphone Out, Right] No sound from Subwoofer in 2.1 mode

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91568

            Bug ID: 91568
           Summary: [N56VZ, Realtek ALC663, Black Headphone Out, Right] No
                    sound from Subwoofer in 2.1 mode
           Product: PulseAudio
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: alsa
          Assignee: pulseaudio-bugs at lists.freedesktop.org
          Reporter: jason.braddock.69 at gmail.com
        QA Contact: pulseaudio-bugs at lists.freedesktop.org
                CC: lennart at poettering.net

Hi,

I have a 2.1 sound system.

When I use the profile "stereo" in pusle audio volume control (Xubuntu 15.04),
the subwoofer outputs sound (but it is an incorrect track, sort of miwed with
right channel)

When I use profile "Analog surround 2.1", I get no sound at all from subwoofer.

An historical bug was opened on launchpad. There's a lot of history and
diffrent versions tested. Read from post #115 :
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1040873/comments/115

Some logs:

$ cat /proc/asound/version 
Advanced Linux Sound Architecture Driver Version k3.19.0-25-generic.

Pulse audio verbose log :
https://launchpadlibrarian.net/204577103/15_04_pulseverbose.log

pactl list sinks :
https://launchpadlibrarian.net/204577057/15_04_pactlListSinks.txt

Feel free to ask for more tests.

Regards

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