From: "Ângelo Miguel Arrifano" <miknix@gmail.com>
To: Carlos Corbacho <carlos@strangeworlds.co.uk>
Cc: linux-acpi@vger.kernel.org
Subject: Re: Writing to the EC
Date: Mon, 5 Nov 2007 19:00:06 +0000 [thread overview]
Message-ID: <20071105190006.04e31cc5.miknix@gmail.com> (raw)
In-Reply-To: <200711050055.37904.carlos@strangeworlds.co.uk>
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On Mon, 5 Nov 2007 00:55:37 +0000
Carlos Corbacho <carlos@strangeworlds.co.uk> wrote:
> On Sunday 04 November 2007 19:55:40 Erik Andr?n wrote:
> > To make a long story short, I've hacked up a kernel module that dumps
> > the EC
>
> For acer_acpi, we have a Perl script that can do this from userspace (but
> it should run on any other machine, since there's nothing Acer specific
> about dumping the EC registers).
>
> http://aceracpi.googlecode.com/svn/trunk/acer_ec/acer_ec.pl
>
> ./acer_ec.pl regs
>
> (ACPI throws a few warnings in dmesg, because we're stepping on it's turf
> a bit here, but it's far simpler than having to write a kernel module
> just to get a few registers).
>
Awesome! I found the EC register for changing the backlight on my laptop using acer_ec.pl.
Register 0xE2 - Set screen brightness to <value>
Min: 0x00 Max: unknown
Windows Brightness key Min: 0x14 Max: 0x5F
Register 0xE3 - Fade out screen brightness from <value>
This is for HP dv6535ep laptop which should be similar to any other HP laptop in the 6xxx series.
I'll look at other backlight drivers if I can do something..
>
> -Carlos
> --
> E-Mail: carlos@strangeworlds.co.uk
> Web: strangeworlds.co.uk
> GPG Key ID: 0x23EE722D
> -
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Thanks!!!
- --
Angelo Arrifano AKA MiKNiX
CSE Student at UBI, Portugal
Gentoo Linux AMD64 Arch Tester
miknix@gmail.com
http://miknix.homelinux.com
PGP Pubkey online
- - -
The only thing that experience teaches us is that experience teaches us nothing.
-- Andre Maurois (Emile Herzog)
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prev parent reply other threads:[~2007-11-05 18:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-04 19:55 Writing to the EC Erik Andrén
2007-11-04 21:23 ` Richard Hughes
2007-11-04 21:31 ` Pavel Troller
2007-11-05 0:55 ` Carlos Corbacho
2007-11-05 19:00 ` Ângelo Miguel Arrifano [this message]
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