1What: /sys/bus/wmi/devices/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_supported_type 2Date: Apr 2021 3KernelVersion: 5.13 4Contact: "perry.yuan@dell.com>" 5Description: 6 Display which dell hardware level privacy devices are supported 7 “Dell Privacy” is a set of HW, FW, and SW features to enhance 8 Dell’s commitment to platform privacy for MIC, Camera, and 9 ePrivacy screens. 10 The supported hardware privacy devices are: 11Attributes: 12 Microphone Mute: 13 Identifies the local microphone can be muted by hardware, no applications 14 is available to capture system mic sound 15 16 Camera Shutter: 17 Identifies camera shutter controlled by hardware, which is a micromechanical 18 shutter assembly that is built onto the camera module to block capturing images 19 from outside the laptop 20 21 supported: 22 The privacy device is supported by this system 23 24 unsupported: 25 The privacy device is not supported on this system 26 27 For example to check which privacy devices are supported: 28 29 # cat /sys/bus/wmi/drivers/dell-privacy/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_supported_type 30 [Microphone Mute] [supported] 31 [Camera Shutter] [supported] 32 [ePrivacy Screen] [unsupported] 33 34What: /sys/bus/wmi/devices/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_current_state 35Date: Apr 2021 36KernelVersion: 5.13 37Contact: "perry.yuan@dell.com>" 38Description: 39 Allow user space to check current dell privacy device state. 40 Describes the Device State class exposed by BIOS which can be 41 consumed by various applications interested in knowing the Privacy 42 feature capabilities 43Attributes: 44 muted: 45 Identifies the privacy device is turned off and cannot send stream to OS applications 46 47 unmuted: 48 Identifies the privacy device is turned on ,audio or camera driver can get 49 stream from mic and camera module to OS applications 50 51 For example to check all supported current privacy device states: 52 53 # cat /sys/bus/wmi/drivers/dell-privacy/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_current_state 54 [Microphone] [unmuted] 55 [Camera Shutter] [unmuted] 56