Hi, On Mon, Jul 11, 2011 at 03:51:23PM +0200, Michael Büsch wrote: > On Mon, 11 Jul 2011 16:45:53 +0300 > Felipe Balbi <balbi@xxxxxx> wrote: > > > On Mon, Jul 11, 2011 at 03:41:26PM +0200, Michael Büsch wrote: > > > On Mon, 11 Jul 2011 16:12:32 +0300 > > > Felipe Balbi <balbi@xxxxxx> wrote: > > > > > Are you planning to implement a backlight driver for tahvo? I'm actually > > > > > using the functionality that you removed in this patchset in the OpenWRT > > > > > distribution. > > > > > > > > if you have some extra documentation available, I could implement it > > > > whenever I have some extra couple hours to play with this again... I > > > > have no docs at all, but a led-tahvo.c would be really simple to get > > > > done :-) > > > > > > All I have is the old code. No docs. It seems rather simple, though. > > > Only a PWM register. That's pretty straightforward. > > > > cool, any pointers would be good ;-) > > Pointers to what? How PWM works? > http://en.wikipedia.org/wiki/Pulse_width_modulation > > You probably don't need to know the details, though. > Just write a 0 to the register to turn the LED off. And write > a 0xF (or 0x7F depending on tahvo revision) to the register to > turn it fully on. Any value in between to dim the LED. no, not to PWM... pointers to the code using the old interface ;-) -- balbi
Attachment:
signature.asc
Description: Digital signature
