I have the same problem with my MSI 670 notebook. I can activate the
recording buttons in the Gnome volume settings, but this does not
persist. I don't have any input, neither on "MIC", nor "Front Mic" or
Line (with an external microphone plugged in).
I have googled for "ALC883" and found that this is a common problem on
many machines. I did not find a solution, yet. I even removed pulseaudio
from the system (Ubuntu Jaunty) and use esound now instead, but to no
avail.
snd-hda-intel loads with the option "model=6stack-dig". I have also
tried "targa-2ch-dig" and "targa-dig" with the same result (but fewer
entries in the sound mixer).
It seems that ALSA is just buggy for this chip.
Here is some information about my machine:
-------------------------------------------
r...@evelyn:~# uname -a
Linux evelyn 2.6.32.2-20091223-amd64-k8 #1 PREEMPT Wed Dec 23 11:15:29 CET 2009
x86_64 GNU/Linux
r...@evelyn:~# lsmod | grep snd
snd_seq_oss 26497 0
snd_seq_midi 4624 0
snd_rawmidi 18223 1 snd_seq_midi
snd_seq_midi_event 5376 2 snd_seq_oss,snd_seq_midi
snd_seq 46043 6 snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_seq_device 4845 4 snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
snd_hda_codec_si3054 3334 1
snd_hda_codec_realtek 245112 1
snd_hda_intel 20680 2
snd_hda_codec 53137 3
snd_hda_codec_si3054,snd_hda_codec_realtek,snd_hda_intel
snd_hwdep 5716 1 snd_hda_codec
snd_pcm_oss 36217 0
snd_mixer_oss 14446 1 snd_pcm_oss
snd_pcm 63979 4
snd_hda_codec_si3054,snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd_timer 18210 2 snd_seq,snd_pcm
snd_page_alloc 6729 2 snd_hda_intel,snd_pcm
r...@evelyn:~# lspci
...
00:10.1 Audio device: nVidia Corporation MCP51 High Definition Audio (rev a2)
...
r...@evelyn:~# hwinfo --sound
18: PCI 10.1: 0403 Audio device
[Created at pci.314]
UDI: /org/freedesktop/Hal/devices/pci_10de_26c
Unique ID: wRyD.UZbmX_yz4z6
SysFS ID: /devices/pci0000:00/0000:00:10.1
SysFS BusID: 0000:00:10.1
Hardware Class: sound
Model: "nVidia MCP51 High Definition Audio"
Vendor: pci 0x10de "nVidia Corporation"
Device: pci 0x026c "MCP51 High Definition Audio"
SubVendor: pci 0x1462 "Micro-Star International Co., Ltd."
SubDevice: pci 0x4314
Revision: 0xa2
Driver: "HDA Intel"
Driver Modules: "snd_hda_intel"
Memory Range: 0xf9fd8000-0xf9fdbfff (rw,non-prefetchable)
IRQ: 22 (20655 events)
Module Alias: "pci:v000010DEd0000026Csv00001462sd00004314bc04sc03i00"
Driver Info #0:
Driver Status: snd_hda_intel is active
Driver Activation Cmd: "modprobe snd_hda_intel"
Config Status: cfg=new, avail=yes, need=no, active=unknown
r...@evelyn:~# cat /proc/asound/devices
2: : timer
3: [ 0- 6]: digital audio playback
4: [ 0- 6]: digital audio capture
5: [ 0- 2]: digital audio capture
6: [ 0- 1]: digital audio playback
7: [ 0- 1]: digital audio capture
8: [ 0- 0]: digital audio playback
9: [ 0- 0]: digital audio capture
10: [ 0- 1]: hardware dependent
11: [ 0- 0]: hardware dependent
12: [ 0] : control
13: : sequencer
r...@evelyn:~# cat /proc/asound/cards
0 [NVidia ]: HDA-Intel - HDA NVidia
HDA NVidia at 0xf9fd8000 irq 22
r...@evelyn:~# cat /proc/asound/pcm
00-00: ALC883 Analog : ALC883 Analog : playback 1 : capture 1
00-01: ALC883 Digital : ALC883 Digital : playback 1 : capture 1
00-02: ALC883 Analog : ALC883 Analog : capture 1
00-06: Si3054 Modem : Si3054 Modem : playback 1 : capture 1
r...@evelyn:~# cat /etc/modprobe.d/alsa-base.conf
...
# HDA intel
# options snd-hda-intel model=targa-2ch-dig
# options snd-hda-intel model=targa-dig
options snd-hda-intel model=6stack-dig
------------------
Please help, as my wife wants to skype with the notebook !! This is an
emergency ;-)
Stefan
--
mic not working on ALC883 in Acer Ferrari 1004 laptop with Ubuntu 9.04
https://bugs.launchpad.net/bugs/412292
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