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Diffstat (limited to 'Documentation/laptops/lg-laptop.rst')
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diff --git a/Documentation/laptops/lg-laptop.rst b/Documentation/laptops/lg-laptop.rst deleted file mode 100644 index aa503ee9b3bc..000000000000 --- a/Documentation/laptops/lg-laptop.rst +++ /dev/null @@ -1,83 +0,0 @@ -.. SPDX-License-Identifier: GPL-2.0+ - -LG Gram laptop extra features -============================= - -By Matan Ziv-Av <matan@svgalib.org> - - -Hotkeys -------- - -The following FN keys are ignored by the kernel without this driver: - -- FN-F1 (LG control panel) - Generates F15 -- FN-F5 (Touchpad toggle) - Generates F13 -- FN-F6 (Airplane mode) - Generates RFKILL -- FN-F8 (Keyboard backlight) - Generates F16. - This key also changes keyboard backlight mode. -- FN-F9 (Reader mode) - Generates F14 - -The rest of the FN keys work without a need for a special driver. - - -Reader mode ------------ - -Writing 0/1 to /sys/devices/platform/lg-laptop/reader_mode disables/enables -reader mode. In this mode the screen colors change (blue color reduced), -and the reader mode indicator LED (on F9 key) turns on. - - -FN Lock -------- - -Writing 0/1 to /sys/devices/platform/lg-laptop/fn_lock disables/enables -FN lock. - - -Battery care limit ------------------- - -Writing 80/100 to /sys/devices/platform/lg-laptop/battery_care_limit -sets the maximum capacity to charge the battery. Limiting the charge -reduces battery capacity loss over time. - -This value is reset to 100 when the kernel boots. - - -Fan mode --------- - -Writing 1/0 to /sys/devices/platform/lg-laptop/fan_mode disables/enables -the fan silent mode. - - -USB charge ----------- - -Writing 0/1 to /sys/devices/platform/lg-laptop/usb_charge disables/enables -charging another device from the USB port while the device is turned off. - -This value is reset to 0 when the kernel boots. - - -LEDs -~~~~ - -The are two LED devices supported by the driver: - -Keyboard backlight ------------------- - -A led device named kbd_led controls the keyboard backlight. There are three -lighting level: off (0), low (127) and high (255). - -The keyboard backlight is also controlled by the key combination FN-F8 -which cycles through those levels. - - -Touchpad indicator LED ----------------------- - -On the F5 key. Controlled by led device names tpad_led. |