How to disable IR camera?

[flymin]

I have a different laptop but with an IR camera. After i install Mojave 10.14.5, the IR camera seem to be used in the first hand. In some apps I can choose the source of camera input, but others can't. I have been suffering from the IR images for a long time. How did you exactly disable it?

[kk1987]

I think most if not all laptop cameras are USB devices, which you can disable via the SSDT config for USBInjectAll.kext.

Basically take these steps:

1. Find which USB port is the IR cam connected to. Follow "port discovery" section of https://www.tonymacx86.com/threads/guide-creating-a-custom-ssdt-for-usbinjectall-kext.211311/
2. Edit ACPI/dsl/SSDT-UIAC.dsl to remove that particular port's definition
3. Recompile the SSDT (e.g. by running update.sh under ACPI/dsl/) & install the updated SSDT-UIAC.aml

[flymin]

Thank you for your help. All work well!