Hi Jon, On Wed, Jun 3, 2009 at 9:08 PM, Jon Smirl <jonsm...@gmail.com> wrote: > On Wed, Jun 3, 2009 at 9:22 AM, Anton Vorontsov > <avoront...@ru.mvista.com> wrote: >> On Wed, Jun 03, 2009 at 02:42:26PM +0200, Stefan Strobl wrote: >> [...] >>> The led class provides support for setting the brightness, which >>> obviously the gpio driver doesn't support. The hardware (mpc52xx_gpt) >>> would support it in PWM mode though. I'm now wandering how this could be >>> best implemented. >>> >>> 1) - Create some PWM class similar to the GPIO class >>> - Add support for PWM mode in mpc52xx_gpt.c that uses that PWM class >>> - And add an interface for the LED to use the PWM class >>> >>> 2) - Create an LED driver that accesses the mpc52xx_gpt directly. >>> >>> I think I would be overwhelmed trying to implement (1) but am confident >>> to do (2). What do you think is the right approach? >> >> I'd suggest creating a generic PWM class, i.e. PWMLIB, alike to >> GPIOLIB. (2) can be an acceptable approach for now, but for the >> long-term solution (1) is the way to go. > > What happened to this one? > > http://ozlabs.org/pipermail/linuxppc-dev/2008-October/063562.html >
Adding Bill to see if he has any updates. -- ---Trilok Soni http://triloksoni.wordpress.com http://www.linkedin.com/in/triloksoni _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
