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: 11 12 Attributes: 13 Microphone Mute: 14 Identifies the local microphone can be muted by hardware, no applications 15 is available to capture system mic sound 16 17 Camera Shutter: 18 Identifies camera shutter controlled by hardware, which is a micromechanical 19 shutter assembly that is built onto the camera module to block capturing images 20 from outside the laptop 21 22 Values: 23 24 supported: 25 The privacy device is supported by this system 26 27 unsupported: 28 The privacy device is not supported on this system 29 30 For example to check which privacy devices are supported:: 31 32 # cat /sys/bus/wmi/drivers/dell-privacy/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_supported_type 33 [Microphone Mute] [supported] 34 [Camera Shutter] [supported] 35 [ePrivacy Screen] [unsupported] 36 37What: /sys/bus/wmi/devices/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_current_state 38Date: Apr 2021 39KernelVersion: 5.13 40Contact: "<perry.yuan@dell.com>" 41Description: 42 Allow user space to check current dell privacy device state. 43 Describes the Device State class exposed by BIOS which can be 44 consumed by various applications interested in knowing the Privacy 45 feature capabilities 46 47 Attributes: 48 Microphone: 49 Identifies the local microphone can be muted by hardware, no applications 50 is available to capture system mic sound 51 52 Camera Shutter: 53 Identifies camera shutter controlled by hardware, which is a micromechanical 54 shutter assembly that is built onto the camera module to block capturing images 55 from outside the laptop 56 57 Values: 58 muted: 59 Identifies the privacy device is turned off 60 and cannot send stream to OS applications 61 62 unmuted: 63 Identifies the privacy device is turned on, 64 audio or camera driver can get stream from mic 65 and camera module to OS applications 66 67 For example to check all supported current privacy device states:: 68 69 # cat /sys/bus/wmi/drivers/dell-privacy/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_current_state 70 [Microphone] [unmuted] 71 [Camera Shutter] [unmuted] 72