From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Andrey Borzenkov <arvidjaar@mail.ru>
Cc: Thomas Renninger <trenn@suse.de>, Len Brown <lenb@kernel.org>,
linux-acpi@vger.kernel.org
Subject: Re: [PATCH] toshiba_acpi: fingers off backlight if video.ko is serving this functionality
Date: Sat, 15 Nov 2008 16:54:15 +0000 [thread overview]
Message-ID: <20081115165415.GA9117@srcf.ucam.org> (raw)
In-Reply-To: <200811151930.58898.arvidjaar@mail.ru>
On Sat, Nov 15, 2008 at 07:30:57PM +0300, Andrey Borzenkov wrote:
> On Thursday 13 November 2008, Matthew Garrett wrote:
> > On Thu, Nov 13, 2008 at 07:58:09AM +0300, Andrey Borzenkov wrote:
> >
> > > - exposing two knobs for the *same* thing confuses user level tools; you never
> > > know which one is used and they compete behind your back
> >
> > How do they compete?
>
> In my case user level program (kpowersave) decided to use video.ko for
> brightness control (or, may be, it used them both). Which gave me 2 levels
> instead of 8. And there is no way to control it, at least known to me.
Right. But that doesn't mean they're competing, as such. If you set the
brightness via toshiba_acpi to a value that isn't supported via the
acpi driver, what value does the acpi backlight claim to be at?
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2008-11-15 16:54 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-08 13:37 [PATCH] toshiba_acpi: fingers off backlight if video.ko is serving this functionality Andrey Borzenkov
2008-11-11 20:04 ` Len Brown
2008-11-12 23:41 ` Thomas Renninger
2008-11-13 1:32 ` Matthew Garrett
2008-11-13 4:58 ` Andrey Borzenkov
2008-11-13 11:11 ` Matthew Garrett
2008-11-15 16:30 ` Andrey Borzenkov
2008-11-15 16:54 ` Matthew Garrett [this message]
2008-11-15 17:05 ` Andrey Borzenkov
2008-11-15 17:11 ` Matthew Garrett
2008-11-15 17:17 ` Andrey Borzenkov
2008-11-15 17:20 ` Matthew Garrett
2008-11-15 18:42 ` Andrey Borzenkov
2008-11-15 18:49 ` Matthew Garrett
2008-11-16 12:51 ` Henrique de Moraes Holschuh
2008-11-16 21:44 ` Thomas Renninger
2008-11-17 2:07 ` Henrique de Moraes Holschuh
2008-11-27 5:19 ` Len Brown
2008-11-27 11:39 ` Video.ko-vs-toshiba.ko-more-brightness-levels-win Thomas Renninger
2008-11-27 11:39 ` [PATCH 1/2] ACPI: acpi_video_backlight_support return found generic video brightness levels Thomas Renninger
2008-11-27 12:08 ` Thomas Renninger
2008-11-27 11:39 ` [PATCH 2/2] Video.ko vs toshiba.ko - more brightness levels win Thomas Renninger
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=20081115165415.GA9117@srcf.ucam.org \
--to=mjg59@srcf.ucam.org \
--cc=arvidjaar@mail.ru \
--cc=lenb@kernel.org \
--cc=linux-acpi@vger.kernel.org \
--cc=trenn@suse.de \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox