[Bug 41368] CMI9761 audio codec not well supported in dapper

[Jose Pirlot]

Public bug reported:

Hardware : ASUS A7N8X-XE with Nforce2 MCP2-RAID, C-Media CMI9761A
Athlon XP 2000+, 2x256 Mb memory, ASUS A9250 graphic board, broadband access.
Problem :
Installation of RealPlayer (file  realplay-10.0.7.785-linux-2.2-libc6-gcc32-i586)
When listening to the BBC, sound OK but : 
1. sound master level has no effect on the sound level
2. Firefox reacts very slowly to mouse mouvments or keyboard actions

/proc/asound/cards returns : 
0 [CK8            ]: NFORCE - NVidia CK8
                     NVidia CK8 with CMI9761 at 0xff6ff000, irq 193

/proc/asound/oss/sndstat returns :
Sound Driver:3.8.1a-980706 (ALSA v1.0.10rc3 emulation code)
Kernel: Linux ubuntu 2.6.15-20-386 #1 PREEMPT Tue Apr 4 17:48:51 UTC 2006 i686
Config options: 0
Installed drivers: 
Type 10: ALSA emulation
Card config: 
NVidia CK8 with CMI9761 at 0xff6ff000, irq 193
Audio devices:
0: NVidia CK8 (DUPLEX)
Synth devices: NOT ENABLED IN CONFIG
Midi devices: NOT ENABLED IN CONFIG
Timers:
7: system timer
Mixers:
0: C-Media Electronics CMI9761

Sound loaded modules :
snd_intel8x0           33564  3 
snd_ac97_codec         92704  1 snd_intel8x0
snd_ac97_bus            2304  1 snd_ac97_codec
snd_pcm_oss            53664  1 
snd_mixer_oss          18688  2 snd_pcm_oss
snd_pcm                89736  3 snd_intel8x0,snd_ac97_codec,snd_pcm_oss
snd_timer              25220  1 snd_pcm
snd                    55268  8 snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
soundcore              10208  3 snd
snd_page_alloc         10632  2 snd_intel8x0,snd_pcm


Note: the original reporter indicated the bug was in package 'alsa'; however, that package was not published in Ubuntu.

** Affects: linux-source-2.6.15 (Ubuntu)
     Importance: Low
         Status: Rejected

-- 
CMI9761 audio codec not well supported in dapper
https://launchpad.net/bugs/41368