From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 105051] Radeon sets max_brightness to -1, breaking GNOME backlight control on Macbook Pro mid-2015 11,5
Date: Mon, 28 Sep 2015 15:53:46 +0000 [thread overview]
Message-ID: <bug-105051-2300-y18fR4MooT@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-105051-2300@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=105051
Robert Abraham <robert.abraham86@googlemail.com> changed:
What |Removed |Added
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CC| |robert.abraham86@googlemail
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--- Comment #2 from Robert Abraham <robert.abraham86@googlemail.com> ---
I have a similar problem. gmux_backlight/max_brightness is set to -1.
But i also have a radeon_bl entry in /sys/class/backlight which has the correct
values.
But no matter which value i echo into /sys/class/backlight/radeon_bl/brightness
i am on max brightness, except i echo 0. in this case the backlight turns off.
so i can only choose between backlight off or on max brightness.
it works perfectly fine on 4.0.x kernel though.
i will happily provide any information you need.
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next prev parent reply other threads:[~2015-09-28 15:53 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-26 21:01 [Bug 105051] New: Radeon sets max_brightness to -1, breaking GNOME backlight control on Macbook Pro mid-2015 11,5 bugzilla-daemon
2015-09-28 15:07 ` [Bug 105051] " bugzilla-daemon
2015-09-28 15:53 ` bugzilla-daemon [this message]
2015-09-28 22:32 ` bugzilla-daemon
2015-09-29 1:15 ` bugzilla-daemon
2015-09-29 1:17 ` bugzilla-daemon
2015-09-29 10:42 ` bugzilla-daemon
2015-09-29 15:52 ` bugzilla-daemon
2015-09-30 2:57 ` bugzilla-daemon
2015-09-30 19:56 ` bugzilla-daemon
2015-10-01 7:42 ` bugzilla-daemon
2015-10-01 21:04 ` bugzilla-daemon
2015-10-01 21:13 ` bugzilla-daemon
2015-10-08 14:46 ` bugzilla-daemon
2015-10-08 15:14 ` bugzilla-daemon
2015-10-15 4:47 ` bugzilla-daemon
2015-10-22 9:37 ` bugzilla-daemon
2015-10-22 9:39 ` bugzilla-daemon
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