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1What: /sys/bus/wmi/devices/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_supported_type2Date: Apr 20213KernelVersion: 5.134Contact: "<perry.yuan@dell.com>"5Description:6 Display which dell hardware level privacy devices are supported7 “Dell Privacy” is a set of HW, FW, and SW features to enhance8 Dell’s commitment to platform privacy for MIC, Camera, and9 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 applications15 is available to capture system mic sound16 17 Camera Shutter:18 Identifies camera shutter controlled by hardware, which is a micromechanical19 shutter assembly that is built onto the camera module to block capturing images20 from outside the laptop21 22 Values:23 24 supported:25 The privacy device is supported by this system26 27 unsupported:28 The privacy device is not supported on this system29 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_type33 [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_state38Date: Apr 202139KernelVersion: 5.1340Contact: "<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 be44 consumed by various applications interested in knowing the Privacy45 feature capabilities46 47 Attributes:48 Microphone:49 Identifies the local microphone can be muted by hardware, no applications50 is available to capture system mic sound51 52 Camera Shutter:53 Identifies camera shutter controlled by hardware, which is a micromechanical54 shutter assembly that is built onto the camera module to block capturing images55 from outside the laptop56 57 Values:58 muted:59 Identifies the privacy device is turned off60 and cannot send stream to OS applications61 62 unmuted:63 Identifies the privacy device is turned on,64 audio or camera driver can get stream from mic65 and camera module to OS applications66 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_state70 [Microphone] [unmuted]71 [Camera Shutter] [unmuted]72