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* Acer Aspire 8920g / snd-hda-intel / ALC889
@ 2008-04-21 12:02 Andy Green
  2008-04-21 15:57 ` Takashi Iwai
  0 siblings, 1 reply; 15+ messages in thread
From: Andy Green @ 2008-04-21 12:02 UTC (permalink / raw)
  To: alsa-devel

Hi folks -

I have a new 8920g on Fedora development running 2.6.25 which has

$ cat /proc/asound/version
Advanced Linux Sound Architecture Driver Version 1.0.16rc2 (Thu Jan 31 
16:40:16 2008 UTC).

I get a decent looking set of alsa things in /proc/asound

$ cat /proc/asound/cards
  0 [Intel          ]: HDA-Intel - HDA Intel
                       HDA Intel at 0xfc300000 irq 22

and dmesg says that model=acer was selected reasonably enough.

I can play audio down the logical sound devices, including cat 
/dev/urandom > /dev/dsp and the interrupt count goes up in /proc/interrupts.

Alsamixer shows a bunch of things and I twiddled them all to no avail. 
There has never been even a click from the speakers or headphone jack on 
this machine.

At least three funnies on this machine:

1) It is confused if it has ALC889 or ALC883 in there

$ grep ALC /proc/asound/* -R
/proc/asound/card0/codec#0:Codec: Realtek ALC889    <==== 889
/proc/asound/card0/pcm2c/sub0/info:id: ALC883 Analog  <=== 883...
/proc/asound/card0/pcm2c/sub0/info:name: ALC883 Analog
/proc/asound/card0/pcm2c/info:id: ALC883 Analog
/proc/asound/card0/pcm2c/info:name: ALC883 Analog
/proc/asound/card0/pcm0c/sub0/info:id: ALC883 Analog
/proc/asound/card0/pcm0c/sub0/info:name: ALC883 Analog
/proc/asound/card0/pcm0c/info:id: ALC883 Analog
/proc/asound/card0/pcm0c/info:name: ALC883 Analog
/proc/asound/card0/pcm0p/sub0/info:id: ALC883 Analog
/proc/asound/card0/pcm0p/sub0/info:name: ALC883 Analog
/proc/asound/card0/pcm0p/info:id: ALC883 Analog
/proc/asound/card0/pcm0p/info:name: ALC883 Analog
/proc/asound/Intel/codec#0:Codec: Realtek ALC889    <=== 889
/proc/asound/Intel/pcm2c/sub0/info:id: ALC883 Analog
/proc/asound/Intel/pcm2c/sub0/info:name: ALC883 Analog
/proc/asound/Intel/pcm2c/info:id: ALC883 Analog
/proc/asound/Intel/pcm2c/info:name: ALC883 Analog
/proc/asound/Intel/pcm0c/sub0/info:id: ALC883 Analog
/proc/asound/Intel/pcm0c/sub0/info:name: ALC883 Analog
/proc/asound/Intel/pcm0c/info:id: ALC883 Analog
/proc/asound/Intel/pcm0c/info:name: ALC883 Analog
/proc/asound/Intel/pcm0p/sub0/info:id: ALC883 Analog
/proc/asound/Intel/pcm0p/sub0/info:name: ALC883 Analog
/proc/asound/Intel/pcm0p/info:id: ALC883 Analog
/proc/asound/Intel/pcm0p/info:name: ALC883 Analog
/proc/asound/oss/sndstat:0: ALC883 Analog (DUPLEX)
/proc/asound/oss/sndstat:0: Realtek ALC889
/proc/asound/pcm:00-02: ALC883 Analog : ALC883 Analog : capture 1
/proc/asound/pcm:00-00: ALC883 Analog : ALC883 Analog : playback 1 : 
capture 1

2) from dmesg

ALSA sound/pci/hda/hda_intel.c:1810: chipset global capabilities = 0x4401
ALSA sound/pci/hda/hda_intel.c:749: codec_mask = 0x3
ALSA sound/pci/hda/hda_codec.c:2211: hda_codec: model 'acer' is selected
ALSA sound/pci/hda/hda_codec.c:1073: Cannot find slave Headphone 
Playback Volume, skipped
ALSA sound/pci/hda/hda_codec.c:1073: Cannot find slave Speaker Playback 
Volume, skipped
ALSA sound/pci/hda/hda_codec.c:1073: Cannot find slave Mono Playback 
Volume, skipped
ALSA sound/pci/hda/hda_codec.c:1073: Cannot find slave Line-Out Playback 
Volume, skipped
ALSA sound/pci/hda/hda_codec.c:1073: Cannot find slave Speaker Playback 
Switch, skipped
ALSA sound/pci/hda/hda_codec.c:1073: Cannot find slave Mono Playback 
Switch, skipped
ALSA sound/pci/hda/hda_codec.c:1073: Cannot find slave IEC958 Playback 
Switch, skipped

3) there is a funny embedded capacitive volume control thing on this 
device, whether it gates output by itself or is just a bunch of special 
keyboard keys, I dunno.

Any ideas, more information needed?

-Andy

^ permalink raw reply	[flat|nested] 15+ messages in thread

end of thread, other threads:[~2008-05-13 14:42 UTC | newest]

Thread overview: 15+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2008-04-21 12:02 Acer Aspire 8920g / snd-hda-intel / ALC889 Andy Green
2008-04-21 15:57 ` Takashi Iwai
2008-04-21 18:25   ` Andy Green
2008-04-22 10:34     ` Takashi Iwai
2008-04-22 11:09       ` Andy Green
2008-04-22 11:20         ` Takashi Iwai
2008-04-22 11:28           ` Andy Green
2008-04-23 21:10             ` Andy Green
2008-04-25 12:29               ` Takashi Iwai
2008-05-05 22:06                 ` Andy Green
2008-05-06 10:39                   ` Takashi Iwai
2008-05-06 11:00                     ` Andy Green
2008-05-06 11:16                       ` Takashi Iwai
2008-05-13 13:51                       ` Takashi Iwai
2008-05-13 14:41                         ` Andy Green

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