ChromeOS Privacy Screen support

modulename: chromeos_privacy_screen.ko

configname: CONFIG_CHROMEOS_PRIVACY_SCREEN

Linux Kernel Configuration
└─>Device Drivers
└─>Platform support for Chrome hardware
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>ChromeOS Privacy Screen support
In linux kernel since version 5.2 (release Date: 2019-07-07)  
This driver provides the support needed for the in-built electronic
privacy screen that is present on some ChromeOS devices. When enabled,
this should probably always be built into the kernel to avoid or
minimize drm probe deferral.

source code: