-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 > > I admit I hadn't seen this earlier, and I didn't spend all day > > looking at previous attempts, but what's the motivation for > > putting all this overloaded syntax into the "brightness" file? I > > thought the point was to have a single value in each file, one of > > the references I did find was > > http://www.spinics.net/lists/linux-leds/msg02995.html Is there > > some thread where this was decided as advantageous? Surely 0-255 > > for _brightness_ is what the brightness entry should do? > > > The referenced mail thread refers to a proposed sysfs attribute > holding a list of space-separated entries. Here it's still > about one numeric value. Advantage of the approach used now is > the full backwards compatibilty. You can still set brightness > to 0..255 and only the brightness will change (as expected). Or > in other words: So far only V was supported, now we support HSV > as a superset. > > > I'd like to set the rgb colour of a led (or hsv, that can be it's > > own file too) and separately ramp the brightness up and down. I > > also think it's substantially simpler and easier to use from the > > user's point of view, which is surely the place you want easy > > right? > > > What you describe is perfectly possible with the new approach. > Only by using magically different formats for what I write to the file labelled "brightness" I'm really not a fan of a knob called "brightness" that does _other things_ if you write something different to it. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAEBAgAGBQJW3LXbAAoJEBmotQ/U1cr2fdUQAKONfj98SS2b4zcHheXG4+ts PfiyS3nhh3VxlNykJSF13ou6ZBgYs4vuTVFuXO2Vya07TFWGrRM4ZNM0d+3JU7BY QkDq8nhqYkxBmIvuz3dgmr+HrMShT/ECQoOYSoIq9bAHpXj0v+eCvYnlLseVLBGx inwgyBme0jSiXvITRDBc0YM0wvpnh492UlruOHGsGkoTSaPaBXU8E+Uv4sv+y448 muYI9M3l+4Lg+B5k9UyXEvwCi2pyLJ2pSGbXyk6flSWYxI92Mny0decOQ+myJqEr sfIqOczGbXFXiWXo8oX2i/Dm9+b+ChrMEXAtcfMcuB+9+469p/2eoqcCCtMWnAUJ qmM8h37mNoohwDIv9c4blG2Y2854n6L2R7ZCXGMZj1Thidmn7ANNhnIFp+ojyXsz O/JSongYWxX4b9pMQ8QhZFRCXfi/V7c/0RDREN5IcjB5nm+1W4Wr/u0jqDGsD7hW kYgWHLbRzBtjOk7ruyDRBNlUyV+xCwxmYgmHAo3Ko3ZPs0MAPQoD+u6mtG5BPDkY ek8ek7+Zw1V8MQSKp1LEfVr6GX5rTkaTD13odbC8PcMYACAC6NKFDqS1NNvSclKv nUyccdaxw0NU4WZtG1dalvJGMwMj6z5MT9BjlE9JvSs4vROYx7RGOQvGvxw9syJT j5AL5VA86J8n30tDXFuy =hUju -----END PGP SIGNATURE-----