Panasonic acpi driver

[Takahashi Yoshihiro]

In article <86llhpz354.wl.t-ogawa at triaez.kaisei.org>
OGAWA Takaya <t-ogawa at triaez.kaisei.org> writes:

> > > On my CF-R1N it must be 8.  The object seems to have 8bit range
> > > but I only used higher 4bits because I just don't want to hit the
> > > key ~255 times to turn off the LCD light.
> > 
> > Yes.  But, my CF-R3 is enough bright even though it is 5.  So, I use
> > only 5 bits to change more smoothly.
> 
> Could you clarify a little bit more?

Sorry, my description is not enough.


> Does it mean that actual valid range for brightness is 0 to 31
> instead of 0 to 255?  In other words, does your LCD luminance
> look same between 31 and 255?

Yes.


> If your answer to my above question is "yes", perhaps we need a
> sysctl to customize what is the suitable range for brightness
> value.  So far CF-R1N (my laptop) and CF-R2A (one user reported to
> me before) have the range of 0~255, and CF-R3 (yours) has 0~31.

I see.  I'll try it.

---
TAKAHASHI Yoshihiro <nyan at jp.FreeBSD.org>