Re: XFree4.0x and Pismo touchpad

[Michael Schmitz <schmitz@zirkon.biophys.uni-duesseldorf.de>]

> >fblevel uses the PMU_IOC_SET_BACKLIGHT ioctl; unless the ix86 guys
> >(and others) implement that one I don't see the point in adding fblevel to
> >fbutils ?
> 
> We need some new fbdev ioctls to handle backlight and other things like
> video mirroring, etc...
> 
> This is not simple. For example, backlight can be tricky since it is not
> always controller by the video chip itself (some powerbooks control it via
> the PMU, some via the ATI chip backlight control registers for example).
> 
> We could move the current ioctl to the fbdev easily, but our current
> mecanism works fine in single-headed configurations only.

I'm not suggesting to move the ioctl to another kernel driver, just to
move the fblevel tool, currently in the pmud package, to another package.
The kernel should not be affected by this. 
 
> Similar issues happen with things like mirroring & multihead. Some chips
> can do mirroring only (I have code for mach64 to do that), so in this
> case, a single ioctl is enough to enable/disable it.

You have code for mirroring on mach64? Do share :-)

	Michael