Hello,
My OpenCore Big Sur is working very well, but the keyboard and the touchpad aren't. They are completely dead.
Laptop: Acer A515-54G-53GP
Keyboard/Touchpad: Elan0504
CPU: i5-10210U
iGPU: Intel UHD 630
dGPU: NVidia MX250 (disabled)
RAM: 8GB DDR4 2666MHz
SSD: Kingston NVMe 256GB
Return of lspci -k command on Linux:
00:15.0 Serial bus controller [0c80]: Intel Corporation Serial IO I2C Host Controller
Subsystem: Acer Incorporated [ALI] Device 1345
Kernel driver in use: intel-lpss
Kernel modules: intel_lpss_pci
Return of cat /proc/bus/input/devices command on Linux:
I: Bus=0018 Vendor=04f3 Product=3091 Version=0100
N: Name="ELAN0504:00 04F3:3091 Touchpad"
P: Phys=i2c-ELAN0504:00
S: Sysfs=/devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-0/i2c-ELAN0504:00/0018:04F3:3091.0001/input/input13
U: Uniq=
H: Handlers=event9 mouse1
B: PROP=5
B: EV=1b
B: KEY=e520 10000 0 0 0 0
B: ABS=2e0800000000003
B: MSC=20
My EFI: https://u.pcloud.link/publink/show?code=XZHxKmXZr2rcYgEU9ESK9OUlyzrfzb9nl7fX