FS#35360 - [linux] 3.9.x - 3.10.x No sound on speakers after using headphones.
Attached to Project:
Arch Linux
Opened by Pablo (elfio) - Sunday, 19 May 2013, 12:35 GMT
Last edited by Tobias Powalowski (tpowa) - Wednesday, 14 August 2013, 12:51 GMT
Opened by Pablo (elfio) - Sunday, 19 May 2013, 12:35 GMT
Last edited by Tobias Powalowski (tpowa) - Wednesday, 14 August 2013, 12:51 GMT
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Details
Description:
There is sound on speakers after boot until headphones are plugged and unplugged. At this time only can be sound through headphones. We've tryed downgrading alsa-utils, alsa-libs and kmix. Disable auto-mute-mode from alsamixer changes the behaviour: always sound on speakers, even when headphones are plugged in. It used to work until a week or so, but I'm not sure since when I have the issue. Sorry about that. I attach the pacman's log for the past weeks. Similar issues here: https://bbs.archlinux.org/viewtopic.php?id=162027 Additional info: * package version(s) alsa-lib 1.0.27-1 (also tryed with 1.0.27-2) alsa-utils 1.0.27-5 (also tryed with 1.0.27-4 and -3) pulseaudio 3.0-3 (also tryed without pulseaudio) kmix 4.10.3-1 (also tryed with 4.10.2-1) kernel 3.9.2-1 (also tryed with lts 3.0.78-1) * config and/or log files etc. * Hardware: It's a laptop Dell XPS M1330, with system updated. $ lscpi | grep Audio 00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02) Same issue on a Dell Inspiron 1420 $ lspci | grep Audio 00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02) Steps to reproduce: plugg in and out the headphones and try the speakers. 
pacman.log
(27.9 KiB)
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This task depends upon
oks, sorry can not help you
greetings
EDIT: I have just found a solution to my problem. In alsamixer i went to "Select sound card" using F6, then found that "Disabled" was next to the column named "Auto-Mute". Turned it on and the problem is now gone. It was turned off during some recent upgrade. I did not touch alsamixer myself.
The system works like yours when auto-mute is disabled, but the issue continues with auto-mute enabled.
The report can be closed.
EDIT: actually the issue disappears just by using the lts kernel. Any idea?
I cannot pinpoint exactly when this behaviour started occurring.
Disabling Auto-Mute in alsamixer does in effect keep the sound output through the internal laptop speakers, irrespective if the headphones are plugged in but this feature has no effect on the problem once the sound subsystem is in the undesired state.
To get the sound out of the speakers after having headphones plugged in I have to :
1) close applications accessing audio
2) sudo modprobe -r snd_hda_intel // remove the snd_hda_intel module
3) unplug headphones; if plugged
4) sudo modprobe snd_hda_intel // insert the snd_hda_intel module
5) Repeat if headphones are plugged in and want sound out of speakers
Some configuration information -
$ cat /etc/modprobe.d/50-sound.conf
alias snd-card-0 snd-hda-intel
alias sound-slot-0 snd-hda-intel
options snd-hda-intel model=auto # try auto to resolve headphone issue
#dell-m42
$ uname -a
Linux jeff 3.9.9-1-ARCH #1 SMP PREEMPT Wed Jul 3 22:45:16 CEST 2013 x86_64 GNU/Linux
$ head -1 /proc/asound/card0/codec#0
Codec: SigmaTel STAC9205
$ lspci
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02)
However after analysing files in git.alsa-project.org/alsa-hda-tools.git
The python code below (extracted from above) gets the speaker back up rather than using modprobe.
It is more specific and hopefully enough for a resolution.
import os
import struct
from fcntl import ioctl
def __ioctl_val(val):
# workaround for OverFlow bug in python 2.4
if val & 0x80000000:
return -((val^0xffffffff)+1)
return val
IOCTL_VERB_WRITE = __ioctl_val(0xc0084811)
card = 0
device = 0
fd = os.open("/dev/snd/hwC%sD%s" % (card, device), os.O_RDWR)
nid = 1
verb = 1813 #SET_GPIO_DATA
param = 1
verb = (nid << 24) | (verb << 8) | param
res = ioctl(fd, IOCTL_VERB_WRITE, struct.pack('II', verb, 0))