[ltp] CD speed support in tp_smapi

[Peter Frühberger]

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Shem Multinymous schrieb:
> Hi,
> 
> A new release of tp_smapi is available, adding
> /sys/devices/platform/smapi/cdrom_speed to set/get the CD drive speed
> level (0=slow, 1=medium, 2=fast). It seems that no other speed
> settings work.
> 
> WARNING:
> Writing to this file when the CD is being accessed will hang your computer.
> 
> I'd like to check if the CD is being accessed (e.g., halfway through
> an ATAPI command) and refuse (or delay) the speed change request in
> that case. Any idea how to do that?
> 
> http://sourceforge.net/project/showfiles.php?group_id=1212&package_id=171579
> 
>   Shem


The cdrom speed seems to work on my R40, too

from dmesg: (loading and setting)

[43094038.430000] tp_smapi: tp_smapi 0.07 loading.
[43094038.430000] tp_smapi: initialized, smapi_port=0xb2.
[43094038.430000] tp_smapi: driver successfully loaded.
[43094056.710000] tp_smapi: smapi_request in: BX=8220 CX=0 DI=0 SI=0
[43094056.710000] tp_smapi: smapi_request out: AX=80 BX=920 CX=78 DX=1e
DI=4 SI=0 ret=0
[43094056.730000] tp_smapi: smapi_request in: BX=8221 CX=1e DI=4 SI=0
[43094056.730000] tp_smapi: smapi_request out: AX=80 BX=8221 CX=1e DX=b2
DI=4 SI=0 ret=0
[43094056.750000] tp_smapi: cdrom speed set to level 1

thx
Peter
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