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    SubjectRE: [PATCH] backlight: provide sysfs percent brightness attribute
    On Friday, March 12, 2010 10:40 AM, Richard Purdie wrote:
    > On Fri, 2010-03-12 at 14:33 -0300, Henrique de Moraes Holschuh wrote:
    >> 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.
    > This patch does nothing to address that though.
    > I agree this is a userland issue and having two interfaces to the kernel
    > to do the same thing is not a good idea in general.
    > So no, I'm not going to take that patch, sorry.

    OK. Thank for your input.

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