From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Yves-Alexis Perez <corsac@debian.org>
Cc: linux-acpi@vger.kernel.org, seth.forshee@canonical.com,
joeyli.kernel@gmail.com, daniel.vetter@ffwll.ch,
intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org, lenb@kernel.org, rjw@sisk.pl,
Henrique de Moraes Holschuh <hmh@debian.org>
Subject: Re: [PATCH 0/3] Fix backlight issues on some Windows 8 systems
Date: Tue, 25 Jun 2013 22:14:15 +0100 [thread overview]
Message-ID: <20130625211415.GA2899@srcf.ucam.org> (raw)
In-Reply-To: <1372194611.8189.31.camel@scapa>
On Tue, Jun 25, 2013 at 11:10:11PM +0200, Yves-Alexis Perez wrote:
> On mar., 2013-06-25 at 21:54 +0100, Matthew Garrett wrote:
> > I agree, we should standardise the behaviour. And the only way we can
> > standardise the behaviour is to leave it up to userspace.
> >
> It's pretty clear we disagree on this and that my opinion won't really
> matter here. But letting userspace handle that just means broken
> functionality for those who have the chance (apparently) to have an ACPI
> backlight interface.
Which, as we've already established, you don't - Lenovo broke it. Your
Thinkpad claims to have 100 available levels, and most of them don't
work. The kernel has no way of knowing which levels work and which
don't, so leaving this up to the kernel won't actually fix your system
either.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2013-06-25 21:14 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-09 23:01 [PATCH 0/3] Fix backlight issues on some Windows 8 systems Matthew Garrett
2013-06-09 23:01 ` [PATCH 1/3] acpi: video: add function to support unregister backlight interface Matthew Garrett
2013-06-09 23:01 ` [PATCH 2/3] ACPICA: Add interface for getting latest OS version requested via _OSI Matthew Garrett
2013-06-09 23:01 ` [PATCH 3/3] i915: Don't provide ACPI backlight interface if firmware expects Windows 8 Matthew Garrett
2013-06-10 7:40 ` Daniel Vetter
2013-06-10 9:22 ` joeyli
2013-06-10 14:09 ` Alex Deucher
2013-06-14 6:47 ` Aaron Lu
2013-06-14 17:29 ` Matthew Garrett
2013-06-15 1:26 ` Aaron Lu
2013-06-15 1:38 ` Matthew Garrett
2013-06-15 4:14 ` Aaron Lu
2013-06-15 4:19 ` Matthew Garrett
2013-06-15 12:29 ` Aaron Lu
2013-06-15 15:16 ` Matthew Garrett
2013-06-15 18:29 ` Daniel Vetter
2013-06-15 18:44 ` Matthew Garrett
2013-06-15 20:27 ` Rafael J. Wysocki
2013-06-15 20:35 ` Daniel Vetter
2013-07-05 12:20 ` Rafael J. Wysocki
2013-07-05 20:00 ` Rafael J. Wysocki
2013-07-05 21:40 ` Rafael J. Wysocki
2013-07-05 22:23 ` Rafael J. Wysocki
2013-07-06 5:45 ` Aaron Lu
2013-07-06 13:33 ` Rafael J. Wysocki
2013-07-07 13:19 ` Rafael J. Wysocki
2013-07-08 8:00 ` Aaron Lu
2013-07-13 0:46 ` [Update][PATCH] ACPI / video / i915: Remove ACPI backlight " Rafael J. Wysocki
2013-07-15 2:36 ` Aaron Lu
2013-07-15 11:42 ` Rafael J. Wysocki
2013-07-16 3:24 ` Aaron Lu
2013-07-16 11:54 ` Rafael J. Wysocki
2013-07-15 13:06 ` Igor Gnatenko
2013-07-15 23:53 ` Rafael J. Wysocki
2013-07-16 7:45 ` Igor Gnatenko
2013-07-16 13:32 ` Igor Gnatenko
2013-07-16 17:08 ` Matthew Garrett
2013-07-16 22:01 ` Rafael J. Wysocki
2013-07-17 5:16 ` Igor Gnatenko
2013-07-17 11:38 ` Rafael J. Wysocki
2013-07-17 12:03 ` Igor Gnatenko
2013-06-10 11:59 ` [PATCH 0/3] Fix backlight issues on some Windows 8 systems Rafael J. Wysocki
2013-06-10 13:48 ` Matthew Garrett
2013-06-11 13:08 ` Seth Forshee
2013-06-22 21:46 ` Yves-Alexis Perez
2013-06-25 16:08 ` Matthew Garrett
2013-06-25 16:10 ` Daniel Vetter
2013-06-25 16:13 ` Matthew Garrett
2013-06-25 20:43 ` Yves-Alexis Perez
2013-06-25 20:54 ` Matthew Garrett
2013-06-25 21:10 ` Yves-Alexis Perez
2013-06-25 21:14 ` Matthew Garrett [this message]
2013-06-25 21:30 ` Yves-Alexis Perez
2013-06-25 21:33 ` Matthew Garrett
2013-06-25 21:46 ` Yves-Alexis Perez
2013-06-25 21:49 ` Matthew Garrett
2013-07-17 15:51 ` Felipe Contreras
2013-07-17 19:57 ` Yves-Alexis Perez
2013-07-18 0:16 ` [Update][PATCH " Rafael J. Wysocki
2013-07-18 0:20 ` [PATCH 1/3] ACPICA: expose OSI version Rafael J. Wysocki
2013-07-18 5:38 ` Igor Gnatenko
2013-07-18 0:21 ` [PATCH 2/3] ACPI / video: Always call acpi_video_init_brightness() on init Rafael J. Wysocki
2013-07-18 5:40 ` Igor Gnatenko
2013-07-18 0:22 ` [PATCH 3/3] ACPI / video / i915: No ACPI backlight if firmware expects Windows 8 Rafael J. Wysocki
2013-07-20 13:16 ` [Update][PATCH 0/3] Fix backlight issues on some Windows 8 systems Felipe Contreras
2013-07-31 0:01 ` Rafael J. Wysocki
2013-07-31 0:01 ` Matthew Garrett
2013-07-31 6:48 ` Igor Gnatenko
2013-07-31 9:08 ` Aaron Lu
2013-08-07 7:44 ` Backlight control only in the kernel? Borislav Petkov
2013-08-07 9:03 ` Aaron Lu
2013-08-07 10:34 ` Borislav Petkov
2013-08-07 10:36 ` Matthew Garrett
2013-08-07 11:04 ` Borislav Petkov
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=20130625211415.GA2899@srcf.ucam.org \
--to=mjg59@srcf.ucam.org \
--cc=corsac@debian.org \
--cc=daniel.vetter@ffwll.ch \
--cc=dri-devel@lists.freedesktop.org \
--cc=hmh@debian.org \
--cc=intel-gfx@lists.freedesktop.org \
--cc=joeyli.kernel@gmail.com \
--cc=lenb@kernel.org \
--cc=linux-acpi@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=rjw@sisk.pl \
--cc=seth.forshee@canonical.com \
/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;
as well as URLs for NNTP newsgroup(s).