platform-drivers-x86 for 3.19-2
dell-laptop: Revert keyboard backlight sysfs support and documentation -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAABAgAGBQJUwtJDAAoJEKbMaAwKp364t/8H/A6GIfWoYnav/eZWuSlZY/Sd zq5BKWLrRKSWco8V5U3OrIH92b5mu1wIrredn+1U+zqFxS2jmftZCEJvpu9fiXX2 o8Uu8lBwB9FGR3vJQGGwRmvtPIAsP/BEZ4c5yqflC5Cwa5yPbB8VcyVvehe1Xe1m apgZNPaYQWQE30mjqdC7MDmcl8KbxNKcsYCtSPg/vppY+MQ7n/iE2OTRzEHvHVzT 4WMArcoGlEvQVvJowoul5HZQY/0g5lJyNVyj8Qqfd7SHDb+Dl7bw1gXoFYyHTeEs nvGgLsYdUkkrS2gyy0xDlpYd+LJso6Kfs/fHrVBS0NfEtxIzBLYvn6E7PLJLukA= =+q4Y -----END PGP SIGNATURE----- Merge tag 'platform-drivers-x86-v3.19-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86 Pull platform driver fix from Darren Hart: "Revert keyboard backlight sysfs support and documentation. The support for the dell-laptop keyboard backlight was flawed and the fix: https://lkml.org/lkml/2015/1/14/539 was more invasive that I felt comfortable sending at RC5. This series reverts the support for the dell-laptop keyboard backlight as well as the documentation for the newly created sysfs attributes. We'll get this implemented correctly for 3.20" * tag 'platform-drivers-x86-v3.19-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: Revert "platform: x86: dell-laptop: Add support for keyboard backlight" Revert "Documentation: Add entry for dell-laptop sysfs interface"
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What: /sys/class/leds/dell::kbd_backlight/als_setting
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Date: December 2014
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KernelVersion: 3.19
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Contact: Gabriele Mazzotta <gabriele.mzt@gmail.com>,
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Pali Rohár <pali.rohar@gmail.com>
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Description:
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This file allows to control the automatic keyboard
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illumination mode on some systems that have an ambient
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light sensor. Write 1 to this file to enable the auto
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mode, 0 to disable it.
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What: /sys/class/leds/dell::kbd_backlight/start_triggers
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Date: December 2014
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KernelVersion: 3.19
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Contact: Gabriele Mazzotta <gabriele.mzt@gmail.com>,
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Pali Rohár <pali.rohar@gmail.com>
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Description:
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This file allows to control the input triggers that
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turn on the keyboard backlight illumination that is
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disabled because of inactivity.
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Read the file to see the triggers available. The ones
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enabled are preceded by '+', those disabled by '-'.
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To enable a trigger, write its name preceded by '+' to
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this file. To disable a trigger, write its name preceded
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by '-' instead.
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For example, to enable the keyboard as trigger run:
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echo +keyboard > /sys/class/leds/dell::kbd_backlight/start_triggers
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To disable it:
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echo -keyboard > /sys/class/leds/dell::kbd_backlight/start_triggers
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Note that not all the available triggers can be configured.
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What: /sys/class/leds/dell::kbd_backlight/stop_timeout
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Date: December 2014
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KernelVersion: 3.19
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Contact: Gabriele Mazzotta <gabriele.mzt@gmail.com>,
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Pali Rohár <pali.rohar@gmail.com>
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Description:
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This file allows to specify the interval after which the
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keyboard illumination is disabled because of inactivity.
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The timeouts are expressed in seconds, minutes, hours and
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days, for which the symbols are 's', 'm', 'h' and 'd'
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respectively.
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To configure the timeout, write to this file a value along
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with any the above units. If no unit is specified, the value
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is assumed to be expressed in seconds.
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For example, to set the timeout to 10 minutes run:
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echo 10m > /sys/class/leds/dell::kbd_backlight/stop_timeout
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Note that when this file is read, the returned value might be
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expressed in a different unit than the one used when the timeout
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was set.
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Also note that only some timeouts are supported and that
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some systems might fall back to a specific timeout in case
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an invalid timeout is written to this file.
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