#define assoc_of_nid(c,p)
get_defcfg_association(snd_hda_codec_get_pincfg(c,p))
if ((cfg->speaker_outs == 2) && (cfg->hp_outs == 2))
if (cfg->line_out_type == AUTO_PIN_HP_OUT)
for(i=0; i<2; i++)
if (assoc_of_nid(codec,cfg->line_out_pins[i]) >
assoc_of_nid(codec,cfg->speaker_pins[i]))
badness++;
add the above in fill_and_eval_dacs() in hda_generic.c after
if ( spec->mixer_nid) {
}
this increase badness of cfg->line_out_type == AUTO_PIN_HP_OUT by one
when the second headphone have higher def association than subwoofer ,
driver create speaker and bass speaker volume controls and headphone
volume control for headset and headphone
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Packages, which is subscribed to alsa-driver in Ubuntu.
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.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1302090/+subscriptions
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