From: Martin Herkt <lachs0r@srsfckn.biz>
To: linux-input@vger.kernel.org
Subject: Re: PROBLEM: [Asus Zenbook Pro UX501JW] Backlight control via hotkeys does not work
Date: Mon, 01 Jun 2015 23:50:50 +0200 [thread overview]
Message-ID: <3398135.BGeJMlpYrp@sakuya> (raw)
In-Reply-To: <CAGo33vX_m_nTrDJ+20XTH-qwjHrDgH+w=Uu89ztC10t8-kYrHg@mail.gmail.com>
On Monday 01 June 2015 23:19:09 Philip Tibom wrote:
> [1.] One line summary of the problem:
> [Asus Zenbook Pro UX501JW] Backlight control via hotkeys does not work
>
>
>
> [2.] Full description of the problem/report:
> When using the default open source drivers, backlight control does not
> work via keyboard hotkeys on Asus Zenbook Pro UX501JW.
>
> WORKAROUND: The backlight can be manually set while running on the
> integrated intel graphics (not with hotkeys).
Setting acpi_osi= on the kernel command line is a workaround for many ASUS
laptops running UEFI firmware (I have one of those too). Although I did not
observe any obvious unwanted side effects with this option, I have no idea
which other ACPI functions are influenced by it.
See also:
https://bugzilla.kernel.org/show_bug.cgi?id=89401
https://bugzilla.kernel.org/show_bug.cgi?id=70241
prev parent reply other threads:[~2015-06-01 21:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-01 21:19 PROBLEM: [Asus Zenbook Pro UX501JW] Backlight control via hotkeys does not work Philip Tibom
2015-06-01 21:50 ` Martin Herkt [this message]
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