Hi,

I have a machine which use SiS chipset. For the result of lspci I known it
is using SiS 7012 as sound chip. It can play sound. But I can not tune the
volume for PCM channel. The volume of PCM channel only has 2 levels, mute
and maxmium. As the volume level of PCM  in mixer is not 0, the output
sound is maxmium. But this is not happen on playing CD. The CD channel
works normally. 

I try the module from Kernel 2.4.18 and alsa 0.9.0rc1. They have the same
result. I attached the result of lspci with this mail. 

Does anyone know how to solve this problem?

Regards,
Ming
00:00.0 Host bridge: Silicon Integrated Systems [SiS]: Unknown device 0651
00:01.0 PCI bridge: Silicon Integrated Systems [SiS] 5591/5592 AGP
00:02.0 ISA bridge: Silicon Integrated Systems [SiS] 85C503/5513
00:02.2 Ethernet controller: Silicon Integrated Systems [SiS] SiS900 10/100 Ethernet 
(rev 91)
00:02.3 FireWire (IEEE 1394): Silicon Integrated Systems [SiS] OHCI Compliant FireWire 
Controller
00:02.5 IDE interface: Silicon Integrated Systems [SiS] 5513 [IDE]
00:02.6 Modem: Silicon Integrated Systems [SiS]: Unknown device 7013 (rev a0)
00:02.7 Multimedia audio controller: Silicon Integrated Systems [SiS] SiS7012 PCI 
Audio Accelerator (rev a0)
00:03.0 USB Controller: Silicon Integrated Systems [SiS] 7001 (rev 0f)
00:03.1 USB Controller: Silicon Integrated Systems [SiS] 7001 (rev 0f)
00:03.2 USB Controller: Silicon Integrated Systems [SiS] 7001 (rev 0f)
00:03.3 USB Controller: Silicon Integrated Systems [SiS]: Unknown device 7002
01:00.0 VGA compatible controller: Silicon Integrated Systems [SiS]: Unknown device 
6325

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