Hi Mike, On Thu, Sep 12, 2013 at 11:35:52AM -0700, Mike Dunn wrote: > Currently the driver assumes that the values specified in the > brightness-levels > device tree property increase as they are parsed from left to right. But > boards > that invert the signal between the PWM output and the backlight will need to > specify decreasing brightness-levels. This patch removes the assumption that > the last element of the array is the max value, and instead searches the array > for the max value and uses that as the normalizing value when determining the > duty cycle.
Note there's also support for inverted PWMs in the PWM framework provided your hardware supports this. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
