Hi! > > Yes, so just export > > > > ALS exports > > 1. the current ambient light illuminance > > 2. the current mapped ambient light illuminance > > > In fact, only one attribute is enough. Good. (I thought you would want to export the 1) too, mainly for debugging). > The ALS driver can query the current illuminance, parse the mapping and > only export the display luminance adjustment values to user space. > then user space just needs to > 1. set a brightness level as the base point > 2. get the display adjustment value and calculate a proper brightness > level at any time. > > this is easier, but it makes me feel that this doesn't look like an > _ALS_ device any more. > We still should export some ALS properties to user space, shouldn't > we? Why? Just because ACPI specs is ugly does not mean we should make Linux ugly, too. Please just use suggestion above. > Could you please look at the documentation about ALS sysfs class in the > patch I sent out just now, and comment on that one please? thanks! I did. The interface is too ugly to live. 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
