72 lines
2.5 KiB
Plaintext
72 lines
2.5 KiB
Plaintext
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What: /sys/bus/wmi/devices/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_supported_type
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Date: Apr 2021
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KernelVersion: 5.13
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Contact: "<perry.yuan@dell.com>"
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Description:
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Display which dell hardware level privacy devices are supported
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“Dell Privacy” is a set of HW, FW, and SW features to enhance
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Dell’s commitment to platform privacy for MIC, Camera, and
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ePrivacy screens.
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The supported hardware privacy devices are:
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Attributes:
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Microphone Mute:
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Identifies the local microphone can be muted by hardware, no applications
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is available to capture system mic sound
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Camera Shutter:
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Identifies camera shutter controlled by hardware, which is a micromechanical
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shutter assembly that is built onto the camera module to block capturing images
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from outside the laptop
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Values:
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supported:
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The privacy device is supported by this system
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unsupported:
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The privacy device is not supported on this system
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For example to check which privacy devices are supported::
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# cat /sys/bus/wmi/drivers/dell-privacy/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_supported_type
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[Microphone Mute] [supported]
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[Camera Shutter] [supported]
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[ePrivacy Screen] [unsupported]
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What: /sys/bus/wmi/devices/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_current_state
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Date: Apr 2021
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KernelVersion: 5.13
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Contact: "<perry.yuan@dell.com>"
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Description:
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Allow user space to check current dell privacy device state.
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Describes the Device State class exposed by BIOS which can be
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consumed by various applications interested in knowing the Privacy
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feature capabilities
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Attributes:
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Microphone:
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Identifies the local microphone can be muted by hardware, no applications
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is available to capture system mic sound
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Camera Shutter:
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Identifies camera shutter controlled by hardware, which is a micromechanical
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shutter assembly that is built onto the camera module to block capturing images
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from outside the laptop
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Values:
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muted:
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Identifies the privacy device is turned off
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and cannot send stream to OS applications
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unmuted:
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Identifies the privacy device is turned on,
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audio or camera driver can get stream from mic
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and camera module to OS applications
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For example to check all supported current privacy device states::
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# cat /sys/bus/wmi/drivers/dell-privacy/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_current_state
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[Microphone] [unmuted]
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[Camera Shutter] [unmuted]
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