From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 60659] Backlight control interface with nouveau driver for
nVidia Quadro 1000m not works
Date: Wed, 31 Jul 2013 16:40:39 +0000
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https://bugzilla.kernel.org/show_bug.cgi?id=60659
--- Comment #5 from Ilia Mirkin ---
I think we're not understanding each other... you filed this bug because
nouveau wasn't registering a backlight interface. I pointed out why this was
and told you how to make it register one (acpi_backlight=vendor).
Then you go on to mention that booting without that, acpi_video0/brightness
doesn't control the backlight... but I thought this bug was about using nouveau
to control the backlight, not acpi_video...
What happens when you boot with that option (but not acpi_osi=Linux/etc unless
you normally boot with that)? Does the /sys/class/backlight/.../brightness
registered by nouveau let you control the backlight or not? [Note, the
Fn+whatever keys are entirely secondary to backlight control working.]
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