Messages in this thread | | | Date | Fri, 12 Mar 2010 14:33:42 -0300 | From | Henrique de Moraes Holschuh <> | Subject | Re: [PATCH] backlight: provide sysfs percent brightness attribute |
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On Fri, 12 Mar 2010, H Hartley Sweeten wrote: > It's usually more convenient to set the backlight brightness > as a 'percent' of total brightness rather than using the raw > 'brightness' value.
Well, that scale is often not linear, so you are not dealing with fractions of the effective brightness, just with fractions of an arbritary scale exported by the backend driver. Much of the "usefulness" of a "percent" scale dies right there.
-- "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie." -- The Silicon Valley Tarot Henrique Holschuh
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