1 What: /sys/bus/wmi/devices/6932965F- 1 What: /sys/bus/wmi/devices/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_supported_type
2 Date: Apr 2021 2 Date: Apr 2021
3 KernelVersion: 5.13 3 KernelVersion: 5.13
4 Contact: "<perry.yuan@dell.com>" 4 Contact: "<perry.yuan@dell.com>"
5 Description: 5 Description:
6 Display which dell hardware le 6 Display which dell hardware level privacy devices are supported
7 “Dell Privacy” is a set of 7 “Dell Privacy” is a set of HW, FW, and SW features to enhance
8 Dell’s commitment to platfor 8 Dell’s commitment to platform privacy for MIC, Camera, and
9 ePrivacy screens. 9 ePrivacy screens.
10 The supported hardware privacy 10 The supported hardware privacy devices are:
11 11
12 Attributes: 12 Attributes:
13 Microphone Mute: 13 Microphone Mute:
14 Identifies the 14 Identifies the local microphone can be muted by hardware, no applications
15 is available t 15 is available to capture system mic sound
16 16
17 Camera Shutter: 17 Camera Shutter:
18 Identifies cam 18 Identifies camera shutter controlled by hardware, which is a micromechanical
19 shutter assemb 19 shutter assembly that is built onto the camera module to block capturing images
20 from outside t 20 from outside the laptop
21 21
22 Values: 22 Values:
23 23
24 supported: 24 supported:
25 The privacy de 25 The privacy device is supported by this system
26 26
27 unsupported: 27 unsupported:
28 The privacy de 28 The privacy device is not supported on this system
29 29
30 For example to check which pri 30 For example to check which privacy devices are supported::
31 31
32 # cat /sys/bus/wmi/drivers 32 # cat /sys/bus/wmi/drivers/dell-privacy/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_supported_type
33 [Microphone Mute] [support 33 [Microphone Mute] [supported]
34 [Camera Shutter] [supporte 34 [Camera Shutter] [supported]
35 [ePrivacy Screen] [unsuppo 35 [ePrivacy Screen] [unsupported]
36 36
37 What: /sys/bus/wmi/devices/6932965F- 37 What: /sys/bus/wmi/devices/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_current_state
38 Date: Apr 2021 38 Date: Apr 2021
39 KernelVersion: 5.13 39 KernelVersion: 5.13
40 Contact: "<perry.yuan@dell.com>" 40 Contact: "<perry.yuan@dell.com>"
41 Description: 41 Description:
42 Allow user space to check curr 42 Allow user space to check current dell privacy device state.
43 Describes the Device State cla 43 Describes the Device State class exposed by BIOS which can be
44 consumed by various applicatio 44 consumed by various applications interested in knowing the Privacy
45 feature capabilities 45 feature capabilities
46 46
47 Attributes: 47 Attributes:
48 Microphone: 48 Microphone:
49 Identifies the 49 Identifies the local microphone can be muted by hardware, no applications
50 is available t 50 is available to capture system mic sound
51 51
52 Camera Shutter: 52 Camera Shutter:
53 Identifies cam 53 Identifies camera shutter controlled by hardware, which is a micromechanical
54 shutter assemb 54 shutter assembly that is built onto the camera module to block capturing images
55 from outside t 55 from outside the laptop
56 56
57 Values: 57 Values:
58 muted: 58 muted:
59 Identifies the 59 Identifies the privacy device is turned off
60 and cannot sen 60 and cannot send stream to OS applications
61 61
62 unmuted: 62 unmuted:
63 Identifies the 63 Identifies the privacy device is turned on,
64 audio or camer 64 audio or camera driver can get stream from mic
65 and camera mod 65 and camera module to OS applications
66 66
67 For example to check all suppo 67 For example to check all supported current privacy device states::
68 68
69 # cat /sys/bus/wmi/drivers 69 # cat /sys/bus/wmi/drivers/dell-privacy/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_current_state
70 [Microphone] [unmuted] 70 [Microphone] [unmuted]
71 [Camera Shutter] [unmuted] 71 [Camera Shutter] [unmuted]
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