[Alsa-user] Troubles with CS4297-like soundcard

[Andrey B. <li...@ab...>]

Hi!

I have Creative PCI 128 CT4810 card (internally on CS4297 chipset).
I'm using ALSA 0.5.11 & kernel 2.4.12 (vendor: ALTLinux).
Driver: snd-card-cs4281.o

During PCM playback (sound event in gaim, XMMS playback using OSS emulation,
etc) i hear annoying noise (some crackling). During CD-Audio playback all is
OK - clear sound.

Can you help me with my trouble?

Technical info:

# lspci
00:00.0 Host bridge: Intel Corp. 82815 815 Chipset Host Bridge and Memory Controller Hub (rev 04)
00:01.0 PCI bridge: Intel Corp.: Unknown device 1131 (rev 04)
00:1e.0 PCI bridge: Intel Corp. 82820 820 (Camino 2) Chipset PCI (rev 11)
00:1f.0 ISA bridge: Intel Corp. 82820 820 (Camino 2) Chipset ISA Bridge (ICH2) (rev 11)
00:1f.1 IDE interface: Intel Corp. 82820 820 (Camino 2) Chipset IDE U100 (rev 11)
00:1f.2 USB Controller: Intel Corp. 82820 820 (Camino 2) Chipset USB (Hub A) (rev 11)
00:1f.3 SMBus: Intel Corp. 82820 820 (Camino 2) Chipset SMBus (rev 11)
00:1f.4 USB Controller: Intel Corp. 82820 820 (Camino 2) Chipset USB (Hub B) (rev 11)
01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP (rev 82)
02:0c.0 Multimedia audio controller: Cirrus Logic Crystal CS4281 PCI Audio (rev 01)

(MotherBoard: ASUSTeK TUSL2-C without embedded soundcard, CPU: Intel Celeron (Tualatin) 1200 Mhz)

# cat /etc/modules.conf
alias char-major-89 i2c-dev
options w83781d ignore=0,0x2d

alias scd0 sr_mod
alias scsi_hostadapter ide-scsi
options ide-cd hdc=ignore
alias parport_lowlevel parport_pc
pre-install plip modprobe parport_pc ; echo 7 > /proc/parport/0/irq
post-install usbkbd modprobe keybdev
post-install usbmouse modprobe mousedev
post-install wacom modprobe evdev

# ALSA portion
alias char-major-116 snd
options snd snd_major=116 snd_cards_limit=1
alias snd-card-0 snd-card-cs4281

# OSS/Free portion
alias char-major-14 soundcore
alias sound-slot-0 snd-card-0
alias sound-service-0-0 snd-mixer-oss
alias sound-service-0-1 snd-seq-oss
alias sound-service-0-3 snd-pcm-oss
alias sound-service-0-8 snd-seq-oss
alias sound-service-0-12 snd-pcm-oss

alias usb-interface usb-uhci

-- 
WBR, Andrey Brindeew.
"No one person can understand Perl culture completely"
(C) Larry Wall.