From: Pavel Machek <pavel@ucw.cz>
To: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH, RFC] Driver for reading HP laptop LCD brightness
Date: Sun, 5 Feb 2006 22:49:22 +0100 [thread overview]
Message-ID: <20060205214922.GA3681@elf.ucw.cz> (raw)
In-Reply-To: <20060205135517.GA21795@srcf.ucam.org>
Hi!
> The attached patch provides a sysfs mechanism for reading the LCD
> brightness on HP laptops. Since there's no clean way to determine
> whether a machine is a laptop or not from within the kernel (this
> information is in the DMI tables, but we don't currently export the
> chassis field), it does nothing until userspace has enabled it.
Can you fix the DMI code to export chasis, then?
> Right now, I'm looking for comments on how to integrate it sensibly -
> leaving it under drivers/misc and registering it as a platform device
> /works/, but isn't terribly clean.
Lots of handhelds ave brightness settings, and it is *very* important
there. Perhaps you could use same interface?
Pavel
--
Thanks, Sharp!
prev parent reply other threads:[~2006-02-05 21:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-05 13:55 [PATCH, RFC] Driver for reading HP laptop LCD brightness Matthew Garrett
2006-02-05 14:27 ` Arjan van de Ven
2006-02-05 14:34 ` Matthew Garrett
2006-02-05 14:41 ` Arjan van de Ven
2006-02-05 14:45 ` Matthew Garrett
2006-02-05 21:49 ` Pavel Machek [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20060205214922.GA3681@elf.ucw.cz \
--to=pavel@ucw.cz \
--cc=linux-kernel@vger.kernel.org \
--cc=mjg59@srcf.ucam.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.