Re: Display class

[Randy Dunlap]

On Wed, 6 Dec 2006 18:24:08 +0000 (GMT) James Simmons wrote:

> 
> > > That patch was rought draft for feedback. I applied your comments. This 
> > > patch actually works. It includes my backlight fix as well.
> > 
> > Glad to hear it.  I had to make the following changes
> > in order for it to build.
> > However, I still have build errors for aty.
> 
> Ug. I see another problem. I had backlight completly compiled as a 
> module! Thus it hid these compile errors. So we need also a 
> CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE check as well. Can sysfs handle this 
> well or would it be better the the backlight class be a boolean instead?

SCSI works as a module and it uses sysfs.
See drivers/scsi/scsi_sysfs.c.
Does that answer your question?  I wasn't quite sure what
the question was.

Next question, based on:
drivers/built-in.o: In function `probe_edid':
(.text.probe_edid+0x42): undefined reference to `fb_edid_to_monspecs'

Should backlight and/or display support depend on
CONFIG_FB?  Right now they don't, so the above can happen...

---
~Randy
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