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Date:      Sat, 28 Jan 2017 17:49:27 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-amd64@FreeBSD.org
Subject:   [Bug 216552] [patch] acpi_asus_als: driver for the ambient light sensor on ASUS laptops
Message-ID:  <bug-216552-6@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D216552

            Bug ID: 216552
           Summary: [patch] acpi_asus_als: driver for the ambient light
                    sensor on ASUS laptops
           Product: Base System
           Version: CURRENT
          Hardware: amd64
                OS: Any
            Status: New
          Keywords: patch
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs@FreeBSD.org
          Reporter: henry.hu.sh@gmail.com
                CC: freebsd-amd64@FreeBSD.org
                CC: freebsd-amd64@FreeBSD.org
          Keywords: patch

Created attachment 179378
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D179378&action=
=3Dedit
patch for the driver

This driver calls the ACPI methods to obtain the ambient light sensor value=
 on
recent ASUS laptops.
It is inspired by the similar driver for Linux at
https://github.com/victorenator/als. Only the specifications in the README =
file
is referenced to.

It provides sysctl node hw.acpi.asus_als.light which contains the current l=
ight
sensor value. The unit seems to be 0.01 lux (compared to a mobile phone).
This patch creates a new module under /sys/modules/acpi called acpi_asus_al=
s.
After loading the module, it attaches to ACPI device with hardware ID ACPI0=
008
and provides the sysctl node mentioned above.

This driver is tested under 12-CURRENT on an ASUS UX51VZ laptop.

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