On Mon 2009-08-03 17:10:57, Zhang Rui wrote: > Hi, all, > > This is the patch set I made to introduce ACPI ALS device driver > and a generic sysfs I/F for all the ALS devices, like ACPI ALS, > platform ALS, etc. > > Patch 01 introduces the ACPI ALS device driver. > > Patch 02 introduces ALS sysfs class. > Two sysfs I/F are created for each ALS device. > /sys/class/als/alsX/illuminance: > the amount of light incident upon a specified surface area. > /sys/class/als/alsX/mappings: > ambient light illuminance to display luminance mappings > that can be used by an OS to calibrate its ambient light policy > this is what I got on a test box: > cat /sys/class/als/als0/mappings > ???Illuminance Adjustment > 0 70 > 10 73 > 80 85 > 300 100 > 1000 150 There's one value per file for sysfs... You should definitely have the header. Is there chance to already return adjusted values, avoiding this uglyness? Plus I'd say Documentation/ file is needed. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html