autoconfig: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker
speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
hp_outs=2 (0x15/0x16/0x0/0x0/0x0)
mono: mono_out=0x0
inputs:
Internal Mic=0x12
Mic=0x19
you still need to find out the node for the headset mic and the subwoofer
the problem is only three volume controls but two headphones , speaker
and subwoofer , (front, rear, center/lfe)
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https://bugs.launchpad.net/bugs/1302090
Title:
Speaker sound output is mono until a headphone jack is plugged
Status in “alsa-driver” package in Ubuntu:
New
Bug description:
Here's the required release and package information:
Description: Ubuntu Trusty Tahr (development branch)
Release: 14.04
Package: linux-image-extra-3.13.0-19-generic
Version: 3.13.0-19.40
When playing audio through speakers on my Alienware 14 2014, the sound
output is in mono until I plug a headphone in any of the two available
headphone jacks (obviously, the auto-mute option must be disabled).
When I do so, the sound starts to play in stereo.
I would love the sound output to be stereo by default and not be
forced to plug anything to achieve that.
Attached is the alsa-info.sh output for my machine.
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https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1302090/+subscriptions
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