On Wed, Nov 26, 2008 at 3:42 AM, David Brownell <david-b@xxxxxxxxxxx> wrote: > On Tuesday 25 November 2008, Grazvydas Ignotas wrote: >> > If they're using the LEDA or LEDB PWMs, providing and exporting >> > a brightness control would be easy. If they're using the other >> > two PWMs, it'd be more work. >> >> The configuration is as follows: >> LEDA - keypad backlight >> LEDB - power LED >> PWM0 - LCD backlight >> PWM1 - charger LED > > Might have been better to use LEDA and LEDB for backlights, > you probably could have saved some external hardware ... those > pins are high drive. :) LEDB probably wasn't used for LCD backlight because it doesn't provide enough power (60mA only). Don't know for sure, it wasn't me who designed the hardware. > Right, start as gpio leds. Since I've already looked at it, > I may take a whack at exposing LEDA/LEDB PWMs ... expecting to > use thhe same interface for PWM0/PWM1. That would be great, thanks! -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
