我的技嘉主板GA-MA78G-DS3H，安装ubuntu 10.10没有声音
我的声卡:
lspci -v

Audio device: ATI Technologies Inc RS780 Azalia controller
Subsystem: ATI Technologies Inc RS780 Azalia controller
Flags: bus master, fast devsel, latency 0, IRQ 3
Memory at fdffc000 (32-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 3
Capabilities: [a0] MSI: Enable- Count=1/1 Maskable- 64bit+
Kernel modules: snd-hda-intel


lspci -k|grep -B2 snd

00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA)
Subsystem: Giga-byte Technology Device a002
Kernel modules: snd-hda-intel
--
01:05.1 Audio device: ATI Technologies Inc RS780 Azalia controller
Subsystem: ATI Technologies Inc RS780 Azalia controller
Kernel modules: snd-hda-intel

安装以后的ALSA版本：
cat /proc/asound/version
Advanced Linux Sound Architecture Driver Version 1.0.24.

声卡驱动安装以后APLAY -L显示结果
[email protected]:/home/xbmc# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: SB [HDA ATI SB], device 0: ALC889A Analog [ALC889A Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: SB [HDA ATI SB], device 1: ALC889A Digital [ALC889A Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: HDMI [HDA ATI HDMI], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0

通过声卡与HDMI都无声音输出，试过很多种方案，也升级到1.0.25.

那位大侠能否帮我解决一下，万分感谢!