Lenovo IdeaPad S540-14API

Baseline EFI as a starting point: adam-ht/Lentosh: Lenovo Ideapad s340 Ryzentosh (github.com) (credit @ adam-ht)

Hardware

Processor: AMD Ryzen 5 3500U

RAM: 20 GB

SSD: Western Digital SN770

GPU: Radeon Vega 8

Wi-Fi/Bluetooth: DW1830 (BCM943602BAED)

Audio: Synaptics audio (CX8070)

Touchpad: ELN4690

Card Reader: Realtek - RTS522A PCI Express

current OC version: 0.9.9 - dual boot Windows 11 23H2 - Sonoma 14.4.1

Working:

• GPU
• Audio
• Keyboard
• Trackpad
• Brightness keys
• Wi-Fi - with OCLP
• Bluetooth - USB map required
• Card reader
• Power management
• Sleep/wake
• Battery info
• USB ports
• iServices
• Handoff
• Airplay
• Airdrop - from iPhone to hack only

Not working:

• Fingerprint reader - Synaptics UWP WBDI
• Stock Wi-Fi - Realtek 8822BE

Not tested:

• Sidecar
• Audio over HDMI

Issues:

• Airdrop not working from hack to iPhone
• Audio not working when rebooting from Windows - it works fine by cold booting to macOS
• NootedRed kext issues

https://preview.redd.it/qrwu6mrqq7uc1.png?width=2560&format=png&auto=webp&s=3f2c152afe926226c34535f38039ad54d19c947b