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Message #106499
[Bug 1302090] Re: Dell Alienware 14, Speaker sound output is mono until a headphone jack is plugged
Thanks Raymond,
By default the pin 0x1a if I remerber well, was not connected at all. I
found out that the 0x12 (internal mic) was (override) connected by
default but if I disconnect it, it seems to solution the problem of the
mono sounding front speakers and makes now the front speakers output to
stereo.
Now I have done that much around that stincky crapy el cheapo cheap
(laptop) that I don't remerber even what exactly.
Anyway, now my setup looks like this and I have the subwoofer and front
speakers working and it looks like this :
autoconfig: line_outs=2 (0x18/0x1a/0x0/0x0/0x0) type:line
speaker_outs=1 (0x14/0x0/0x0/0x0/0x0)
hp_outs=1 (0x16/0x0/0x0/0x0/0x0)
mono: mono_out=0x0
inputs:
Mic=0x19
Internal Mic=0x12
The hdajackretask setup :
Pins :
0x12 : Not override > Internal mic
0x14 : Override > Internal speaker
0x15 : Override > Not connected
0x16 : Not override > Headphone
0x18 : Override > Line out (front)
0x1a : = Overrride > Line out (Center/LFE)
In alsamixer I have no trace of an bass speaker but does control :
Master : Only one channel control
Speaker : Set to 00 and no control over
Front : Two channels (R/L) separed controls
Surround : Two channels (R/L) separed controls
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https://bugs.launchpad.net/bugs/1302090
Title:
Dell Alienware 14, Speaker sound output is mono until a headphone jack
is plugged
Status in alsa-driver package in Ubuntu:
Confirmed
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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