APM and cs4281 sound module

APM and cs4281 sound module

[Daniel Stutz]

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Hello,

as I posted here ~2 weeks ago my system locks when going to suspend mode.

Now I was able to locate the problem in the sound module. (More information
at EOF)

When I make a 'rmmod cs4281' suspend and resume works very well.

System hangs only when suspending with loaded sound module.

Kernel is 2.4.2-ac20

lspci -vv

00:08.0 Multimedia audio controller: Cirrus Logic Crystal CS4281 PCI Audio
(rev 01)
        Subsystem: Citicorp TTI Crystal CS4281 PCI Audio
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
        Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
        Latency: 64 (1000ns min, 6000ns max)
        Interrupt: pin A routed to IRQ 5
        Region 0: Memory at fc101000 (32-bit, non-prefetchable) [size=4K]
        Region 1: Memory at fc110000 (32-bit, non-prefetchable) [size=64K]
        Capabilities: [40] Power Management version 2
                Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA
PME(D0+,D1+,D2+,D3hot+,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME+


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Daniel Stutz <Daniel.Stutz@astaro.de>    | Product Development
Astaro AG | http://www.astaro.de  | +49-721-490069-0 | Fax -55

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