The keycode hwdb expects is the lowercased text following KEY_ in the above input event codes header file.
UPDATE SIDPLAY MODULE IN LENOVO FLEX 4 CODE
You can use any key code with a defined value less than 255. Note: prog1 and prog2 map to KEY_PROG1 and KEY_PROG2 in /usr/include/linux/input-event-codes.h. If it is, run the following command as root to enable Battery Conservation Mode: # echo 1 > /sys/bus/platform/drivers/ideapad_acpi/VPC2004:00/conservation_mode If it works on Windows, it can be enabled or disabled on Linux in the following manner:įirst make sure the ideapad_laptop kernel module is loaded, with the lsmod command. To check if your laptop is supported, try to set the battery conservation mode in the Vantage app on Windows. This works on many Lenovo laptops like IdeaPad and Thinkbook series. Untested: TPM, fingerprint reader, IR webcam, stylus, mobile broadbandīattery Conservation Mode is a feature that limits battery charging to 55-60% of its capacity to improve battery life, being most useful when the laptop tends to run on external power much of the time. Modem: No, Untested: Fingerprint, NFC, Smart Cardįingerprint reader: No, Thunderbolt: Untested Prevent amdgpu issues by updating to latest BIOS PSR powersaving is causing some microfreezes. If suspend hangs, try echo 0 > /sys/power/pm_async.įingerprint, SD card and webcam: Untested. Similar to the T490, the pointer occasionally jumps while pressing trackpad buttons *No automatic brightness adjustment when switching from battery to ACįingerprint scanner works with python-validity AUR
UPDATE SIDPLAY MODULE IN LENOVO FLEX 4 UPDATE
Update firmware to avoid visual freeze at boot Modem may need cdc_ncm prefer_mbim=N to enable data. Requires noapic or intremap=off to boot reliably Use acpi_sleep=nonvs for resume issues, acpi_osi='!Windows 2012' for brightness control issues. It is possible to hotswap a ultrabay by just releasing the UltraBay eject lever or pressing hotkeys such as Fn+F9. Ultrabay was IBM's, now Lenovo's name for the swappable bay. For many older, pre Ivy Bridge, ThinkPads tp_smapi is available. A user-submitted list of ThinkPads compatible with tpacpi-bat is available here.
( tp_smapi is already mentioned in the parent page at Laptop#See also, so it may be unnecessary to mention it here again to avoid duplication.) (Discuss in Talk:Laptop/Lenovo)įor newer ThinkPads it is possible to set a stop and resume charge threshold with tpacpi-bat.
tp_smapi#Supported laptops also already covers supported ThinkPads. Notes: tpacpi-bat is already covered in tp_smapi.
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