[systemd-devel] [PATCH] backlight: let the administrator override clamping

David Herrmann dh.herrmann at gmail.com
Sat Jan 17 04:48:43 PST 2015


On Sat, Jan 17, 2015 at 1:41 PM, Topi Miettinen <toiwoton at gmail.com> wrote:
> On 01/17/15 12:34, David Herrmann wrote:
>> No, we still need clamping! In case your hardware has 256 brightness
>> levels, we really don't want a brightness of 1 as it would still be
>> far too dark.
> How could you know that? The display can be too bright for the poor user
> even at 4%.

If the brightness scale is linear, I don't see how 5% can be "too
bright". We write defaults that shall work for everyone. You can
easily disable our helpers and employ your own. But we cant provide
configuration hooks for each and every obscure use-case. We want
people to disable the defaults and write their own, if they don't like
the defaults.

In your case, it's an outright bug, though. And we want bugs to be
fixed, instead of workarounds if developers are too lazy to fix their


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