Based on kernel version 6.8. Page generated on 2024-03-11 21:26 EST.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | .. 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 F21 - FN-F6 (Airplane mode) - Generates RFKILL - 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/class/power_supply/CMB0/charge_control_end_threshold 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. |