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