Re: [RESEND #2] [PATCH v2] LEDS: Add output invertion option tobacklight trigger
From: Andrew Morton
Date: Thu Jan 06 2011 - 16:17:45 EST
On Thu, 6 Jan 2011 13:08:56 -0800
Randy Dunlap <randy.dunlap@xxxxxxxxxx> wrote:
> On Thu, 6 Jan 2011 13:04:40 -0800 Andrew Morton wrote:
> > On Thu, 9 Dec 2010 14:41:50 +0100
> > Janusz Krzysztofik <jkrzyszt@xxxxxxxxxxxx> wrote:
> > > +static DEVICE_ATTR(invert, 0644, bl_trig_invert_show, bl_trig_invert_store);
> > This new sysfs file should be documented. Where would be an
> > appropriate place for that? Documentation/leds-class.txt doesn't
> > mention a sysfs API at all.
> > --
> in Documentation/ABI/, where all sysfs interface info lives.
Spose so. Documentation/ABI/stable/sysfs-class-backlight does have
some stuff in it.
Personally I tend to regard Documentation/ABI/ as fairly useless
incomprehensible stuff, maintained to keep Greg happy ;) It'd be better
to have a nice little well-maintained document for a subsystem such as
this which actually explains its operation in a useful-to-humans way.
Rather than just mechanically filling out forms.
But a Documentation/ABI update is a heck of a lot better than nothing.
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