Messages in this thread | | | Date | Thu, 6 Aug 2009 11:53:22 -0700 | From | Greg KH <> | Subject | Re: [RFC PATCH V2 1/2] introduce ALS sysfs class |
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On Thu, Aug 06, 2009 at 04:31:38PM +0800, Zhang Rui wrote: > > Introduce ALS sysfs class device. > > ALS sysfs class device provides a standard sysfs interface > for Ambient Light Sensor devices. > > Only two sysfs I/F are introduced currently. > /sys/class/als/alsX/illuminance: > indicates the amount of light incident upon a specified surface area. > /sys/class/als/alsX/mappings: > exports ambient light illuminance to display luminance mappings > that can be used by an OS to calibrate its ambient light policy > for a given sensor configuration. > The OS can use this information to extrapolate an ALS response curve > - noting that these values may be treated differently depending on the > OS implementation but should be used in some form to calibrate ALS policy. > > Signed-off-by: Zhang Rui <rui.zhang@intel.com> > --- > Documentation/als/sysfs.txt | 138 ++++++++++++++++++++++
This needs to be in Documentation/ABI instead.
thanks,
greg k-h
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