P Purkayastha, il 17/04/2012 00:36, ha scritto:
> On 04/17/2012 03:26 AM, Massimo Maiurana wrote:
>> well, I've just discovered it today, trying to see how the gadget works, but
>> my E build is very old and I'll not update it until ubuntu 12.04 is out,
>> because I'm on 10.04 now and an update would make me loose connman
>> functionalities, so don't bother with it ;)
>
> Oh. I remember now. This was some rounding problem. It has been fixed
> already, long ago.
ok, I've finally upgrade to 12.04 but... that issue is not gone at all :(
also, it looks like it doesn't have anything to do with Fn keys, because
doesn't happen only when dimming through keys.
this is what happens:
xrandr tells me I have 10 levels of backlight, from 0 to 9, as always.
whatever default level I set in the backlight module (normal backlight) at
boot it is set one level less. I haven't tried with high levels because they
hurts me, but tried with values from 20 to 30.
after boot, i click on the gadget and try to move the cursor with arrow keys
starting from the bottom; of course the first level is 0, as it should be, but
the second level is 0 too, while it should be 1. every other step is actually
1 level lower too. this is because the cursor has actually 11 steps, but this
does not reflect the available levels as they're 10.
ok, let's say i set the cursor on the third position, which in our case
corresponds to level 1 (second level og brightness). all fine, xrandr says
that backlight is set to 1, regardless of what the cursor's position, but
that's the level I want so it's fine. in this situation, if I click on the
gadget the cursor moves to step 2, and the backlight goes to level 0 :(
the odd thing is that every time I click on the gadget it goes one step down,
so another click moves the cursor to step 1. this happens with some positions
of the cursor and not with others, specifically:
cursor at 10 -> click on it -> it stays at 10
cursor at 9 -> click on it -> it stays at 9
cursor at 8 -> click on it -> it stays at 8
cursor at 7 -> click on it -> it lowers to 6
cursor at 6 -> click on it -> it stays at 6
cursor at 5 -> click on it -> it stays at 5
cursor at 4 -> click on it -> it stays at 4
cursor at 3 -> click on it -> it lowers to 2
cursor at 2 -> click on it -> it lowers to 1
cursor at 1 -> click on it -> it lowers to 0
let me know if I'm not clear enough :)
--
Massimo Maiurana massimo<at>ragusa.linux.it
http://massimo.solira.org GPG keyID #7044D601
Creare l'uomo fu un'idea bizzarra e originale,
ma aggiungere la pecora fu una tautologia.
[Mark Twain]
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