Public bug reported:
When headphones are plugged in, speakers begin to hiss (sounds almost
like my mini 9 has a fan that starts spinning) but sound is great
through headphones. If I mute the speakers through alsamixer, sound
through the headphones stops even when alsamixer shows headphones are
not muted themselves and are at full volume, along with PCM. Help?
Output for "modinfo snd-hda-intel"
filename:
/lib/modules/2.6.31-14-generic/kernel/sound/pci/hda/snd-hda-intel.ko
description: Intel HDA driver
license: GPL
srcversion: 0F82998EEBB9C629D81DBDA
alias: pci:v00001022d*sv*sd*bc04sc03i00*
alias: pci:v00001002d*sv*sd*bc04sc03i00*
alias: pci:v00001102d00000009sv*sd*bc*sc*i*
alias: pci:v00006549d00001200sv*sd*bc*sc*i*
alias: pci:v000010DEd00000D97sv*sd*bc*sc*i*
alias: pci:v000010DEd00000D96sv*sd*bc*sc*i*
alias: pci:v000010DEd00000D95sv*sd*bc*sc*i*
alias: pci:v000010DEd00000D94sv*sd*bc*sc*i*
alias: pci:v000010DEd00000AC3sv*sd*bc*sc*i*
alias: pci:v000010DEd00000AC2sv*sd*bc*sc*i*
alias: pci:v000010DEd00000AC1sv*sd*bc*sc*i*
alias: pci:v000010DEd00000AC0sv*sd*bc*sc*i*
alias: pci:v000010DEd000007FDsv*sd*bc*sc*i*
alias: pci:v000010DEd000007FCsv*sd*bc*sc*i*
alias: pci:v000010DEd00000777sv*sd*bc*sc*i*
alias: pci:v000010DEd00000776sv*sd*bc*sc*i*
alias: pci:v000010DEd00000775sv*sd*bc*sc*i*
alias: pci:v000010DEd00000774sv*sd*bc*sc*i*
alias: pci:v000010DEd0000055Dsv*sd*bc*sc*i*
alias: pci:v000010DEd0000055Csv*sd*bc*sc*i*
alias: pci:v000010DEd0000044Bsv*sd*bc*sc*i*
alias: pci:v000010DEd0000044Asv*sd*bc*sc*i*
alias: pci:v000010DEd000003F0sv*sd*bc*sc*i*
alias: pci:v000010DEd000003E4sv*sd*bc*sc*i*
alias: pci:v000010DEd00000371sv*sd*bc*sc*i*
alias: pci:v000010DEd0000026Csv*sd*bc*sc*i*
alias: pci:v000010B9d00005461sv*sd*bc*sc*i*
alias: pci:v00001039d00007502sv*sd*bc*sc*i*
alias: pci:v00001106d00003288sv*sd*bc*sc*i*
alias: pci:v00001002d0000AA48sv*sd*bc*sc*i*
alias: pci:v00001002d0000AA40sv*sd*bc*sc*i*
alias: pci:v00001002d0000AA38sv*sd*bc*sc*i*
alias: pci:v00001002d0000AA30sv*sd*bc*sc*i*
alias: pci:v00001002d0000AA28sv*sd*bc*sc*i*
alias: pci:v00001002d0000AA20sv*sd*bc*sc*i*
alias: pci:v00001002d0000AA18sv*sd*bc*sc*i*
alias: pci:v00001002d0000AA10sv*sd*bc*sc*i*
alias: pci:v00001002d0000AA08sv*sd*bc*sc*i*
alias: pci:v00001002d0000AA00sv*sd*bc*sc*i*
alias: pci:v00001002d0000970Fsv*sd*bc*sc*i*
alias: pci:v00001002d0000960Fsv*sd*bc*sc*i*
alias: pci:v00001002d00007919sv*sd*bc*sc*i*
alias: pci:v00001002d0000793Bsv*sd*bc*sc*i*
alias: pci:v00001002d00004383sv*sd*bc*sc*i*
alias: pci:v00001002d0000437Bsv*sd*bc*sc*i*
alias: pci:v00008086d0000811Bsv*sd*bc*sc*i*
alias: pci:v00008086d00003B56sv*sd*bc*sc*i*
alias: pci:v00008086d00003A6Esv*sd*bc*sc*i*
alias: pci:v00008086d00003A3Esv*sd*bc*sc*i*
alias: pci:v00008086d0000293Fsv*sd*bc*sc*i*
alias: pci:v00008086d0000293Esv*sd*bc*sc*i*
alias: pci:v00008086d00002911sv*sd*bc*sc*i*
alias: pci:v00008086d0000284Bsv*sd*bc*sc*i*
alias: pci:v00008086d0000269Asv*sd*bc*sc*i*
alias: pci:v00008086d000027D8sv*sd*bc*sc*i*
alias: pci:v00008086d00002668sv*sd*bc*sc*i*
depends: snd-pcm,snd,snd-page-alloc,snd-hda-codec
vermagic: 2.6.31-14-generic SMP mod_unload modversions 586
parm: index:Index value for Intel HD audio interface. (array of int)
parm: id:ID string for Intel HD audio interface. (array of charp)
parm: enable:Enable Intel HD audio interface. (array of bool)
parm: model:Use the given board model. (array of charp)
parm: position_fix:Fix DMA pointer (0 = auto, 1 = none, 2 = POSBUF).
(array of int)
parm: bdl_pos_adj:BDL position adjustment offset. (array of int)
parm: probe_mask:Bitmask to probe codecs (default = -1). (array of
int)
parm: probe_only:Only probing and no codec initialization. (array of
bool)
parm: single_cmd:Use single command to communicate with codecs (for
debugging only). (bool)
parm: enable_msi:Enable Message Signaled Interrupt (MSI) (int)
parm: power_save:Automatic power-saving timeout (in second, 0 =
disable). (int)
parm: power_save_controller:Reset controller in power save mode.
(bool)
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
--
[9.10] Muting speakers while using headphones stops all sound
https://bugs.launchpad.net/bugs/483442
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