benoe77
commented
1 year ago Hi, trying to participate:
Model name: Lenovo Yoga Slim 7-14ARE05 CPU model: AMD Ryzen 7 4700U GPU model: AMD Radeon RX Vega 7 Keyboard backlight: single color with off/medium/bright)
sudo dmidecode -t system
# dmidecode 3.3
Getting SMBIOS data from sysfs.
SMBIOS 3.2.0 present.
Handle 0x0001, DMI type 1, 27 bytes
System Information
Manufacturer: LENOVO
Product Name: 82A2
Version: Lenovo Yoga Slim 7-14ARE05
Serial Number:
UUID:
Wake-up Type: Power Switch
SKU Number: LENOVO_MT_82A2_BU_idea_FM_IDEAPAD
Family: IDEAPAD
Handle 0x0020, DMI type 12, 5 bytes
System Configuration Options
Option 1: String1 for Type12 Equipment Manufacturer
Option 2: String2 for Type12 Equipment Manufacturer
Option 3: String3 for Type12 Equipment Manufacturer
Option 4: String4 for Type12 Equipment Manufacturer
Handle 0x0030, DMI type 32, 20 bytes
System Boot Information
Status: No errors detected
sudo dmidecode -t bios
# dmidecode 3.3
Getting SMBIOS data from sysfs.
SMBIOS 3.2.0 present.
Handle 0x0000, DMI type 0, 26 bytes
BIOS Information
Vendor: LENOVO
Version: DMCN43WW
Release Date: 09/16/2022
Address: 0xE0000
Runtime Size: 128 kB
ROM Size: 16 MB
Characteristics:
PCI is supported
BIOS is upgradeable
BIOS shadowing is allowed
Boot from CD is supported
Selectable boot is supported
EDD is supported
Japanese floppy for NEC 9800 1.2 MB is supported (int 13h)
Japanese floppy for Toshiba 1.2 MB is supported (int 13h)
5.25"/360 kB floppy services are supported (int 13h)
5.25"/1.2 MB floppy services are supported (int 13h)
3.5"/720 kB floppy services are supported (int 13h)
3.5"/2.88 MB floppy services are supported (int 13h)
8042 keyboard services are supported (int 9h)
CGA/mono video services are supported (int 10h)
ACPI is supported
USB legacy is supported
BIOS boot specification is supported
Targeted content distribution is supported
UEFI is supported
BIOS Revision: 1.43
Firmware Revision: 1.29
Handle 0x0021, DMI type 13, 22 bytes
BIOS Language Information
Language Description Format: Long
Installable Languages: 4
en|US|iso8859-1
fr|FR|iso8859-1
ja|JP|unicode
zh|TW|unicode
Currently Installed Language: en|US|iso8859-1`
sudo cat /sys/kernel/debug/legion/fancurve cat: /sys/kernel/debug/legion/fancurve: no file or directory of this name
johnfanv2
This is a issue to test the driver for Lenovo Yoga laptops. If you have Lenovo Yoga laptop and want to help testing then please provide the following information. It will be used to add fan control and more for Lenovo Yoga laptops. It must be tested on multiple different models.
Model and Debug Info
Model name: ??? CPU model: ??? (e.g. AMD Ryzen 7 5800H) GPU model: ??? (e.g NVIDIA RTX 3700) Keyboard backlight: ??? (RGB, single color with off/on, single color with off/medium/bright)
Output of
sudo dmidecode -t system. Please remove Serial Number and UUID for privacy:Output of
sudo dmidecode -t bios:Output of
sudo cat /sys/kernel/debug/legion/fancurve:The following information would be useful.
Inspecting WMI entries
Then upload files.
Disassembling ACPI tables
Then upload files.
Gathering WMI info in Windows
If you have Windows, then the following information are very very useful to make use of the ACPI methods. Open powershell as admin in Windows and run the following script. It will list all available lenovo WMI methods. Copy output to a file and upload.
Load kernel module and gather debug output
After downloading/cloning the code
Please get the following output and include it in your message:
Hopefully, we will see something like the following, which is the current fancurve.
Edit Fancurve
Please use the python GUI (see README) to try edit the fan curve. Try setting the speed to very low (500 RPM) or very high values (3000 RPM) and check if it makes a difference. Please report back if it works.