Sound

See

• Sound troubleshooting

http://www.linuxjournal.com/article/6735

Soundcard Intel 82801G on Ubuntu 8.10: recording problems

• recording via external microphone very quiet
• recording via internal microphone cannot be heard

alsamixer -c 0

tstaerk@dell-desktop:~/alsa$ modprobe -l | grep snd-hda
/lib/modules/2.6.27-14-generic/kernel/sound/pci/hda/snd-hda-intel.ko
tstaerk@dell-desktop:~/alsa$ md5sum /lib/modules/2.6.27-14-generic/kernel/sound/pci/hda/snd-hda-intel.ko
bec085930fe6b6e7c448c5ba7d3e50fa  /lib/modules/2.6.27-14-generic/kernel/sound/pci/hda/snd-hda-intel.ko
tstaerk@dell-desktop:~/alsa$ ll /lib/modules/2.6.27-14-generic/kernel/sound/pci/hda/snd-hda-intel.ko
bash: ll: command not found
tstaerk@dell-desktop:~/alsa$ ls -l /lib/modules/2.6.27-14-generic/kernel/sound/pci/hda/snd-hda-intel.ko
-rw-r--r-- 1 root root 511592 2009-07-25 01:48 /lib/modules/2.6.27-14-generic/kernel/sound/pci/hda/snd-hda-intel.ko

 modinfo snd-hda-intel
filename:       /lib/modules/2.6.27-14-generic/kernel/sound/pci/hda/snd-hda-intel.ko
description:    Intel HDA driver
license:        GPL
srcversion:     C4633ED01D74A5D02607392
alias:          pci:v00006549d00001200sv*sd*bc*sc*i*
alias:          pci:v000010DEd00000BD7sv*sd*bc*sc*i*
alias:          pci:v000010DEd00000BD6sv*sd*bc*sc*i*
alias:          pci:v000010DEd00000BD5sv*sd*bc*sc*i*
alias:          pci:v000010DEd00000BD4sv*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-page-alloc,snd
vermagic:       2.6.27-14-generic SMP mod_unload modversions 586 
parm:           power_save:Automatic power-saving timeout (in second, 0 = disable). (int)
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:           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_controller:Reset controller in power save mode. (bool)