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sysfs-platform-dell-privacy-wmi

sysfs-platform-dell-privacy-wmi 2.5 KB
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  1. What:		/sys/bus/wmi/devices/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_supported_type
    2. 

  2. Date:		Apr 2021
    3. 

  3. KernelVersion:	5.13
    4. 

  4. Contact:	"<[email protected]>"
    5. 

  5. Description:
    6. 

  6. 		Display which dell hardware level privacy devices are supported
    7. 

  7. 		“Dell Privacy” is a set of HW, FW, and SW features to enhance
    8. 

  8. 		Dell’s commitment to platform privacy for MIC, Camera, and
    9. 

  9. 		ePrivacy screens.
    10. 

  10. 		The supported hardware privacy devices are:
    11. 

  11. 

  12. 		Attributes:
    13. 

  13. 			Microphone Mute:
    14. 

  14. 				Identifies the local microphone can be muted by hardware, no applications
    15. 

  15. 				is available to capture system mic sound
    16. 

  16. 

  17. 			Camera Shutter:
    18. 

  18. 				Identifies camera shutter controlled by hardware, which is a micromechanical
    19. 

  19. 				shutter assembly that is built onto the camera module to block capturing images
    20. 

  20. 				from outside the laptop
    21. 

  21. 

  22. 		Values:
    23. 

  23. 

  24. 			supported:
    25. 

  25. 				The privacy device is supported by this system
    26. 

  26. 

  27. 			unsupported:
    28. 

  28. 				The privacy device is not supported on this system
    29. 

  29. 

  30. 		For example to check which privacy devices are supported::
    31. 

  31. 

  32. 		    # cat /sys/bus/wmi/drivers/dell-privacy/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_supported_type
    33. 

  33. 		    [Microphone Mute] [supported]
    34. 

  34. 		    [Camera Shutter] [supported]
    35. 

  35. 		    [ePrivacy Screen] [unsupported]
    36. 

  36. 

  37. What:		/sys/bus/wmi/devices/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_current_state
    38. 

  38. Date:		Apr 2021
    39. 

  39. KernelVersion:	5.13
    40. 

  40. Contact:	"<[email protected]>"
    41. 

  41. Description:
    42. 

  42. 		Allow user space to check current dell privacy device state.
    43. 

  43. 		Describes the Device State class exposed by BIOS which can be
    44. 

  44. 		consumed by various applications interested in knowing the Privacy
    45. 

  45. 		feature capabilities
    46. 

  46. 

  47. 		Attributes:
    48. 

  48. 			Microphone:
    49. 

  49. 				Identifies the local microphone can be muted by hardware, no applications
    50. 

  50. 				is available to capture system mic sound
    51. 

  51. 

  52. 			Camera Shutter:
    53. 

  53. 				Identifies camera shutter controlled by hardware, which is a micromechanical
    54. 

  54. 				shutter assembly that is built onto the camera module to block capturing images
    55. 

  55. 				from outside the laptop
    56. 

  56. 

  57. 		Values:
    58. 

  58. 			muted:
    59. 

  59. 				Identifies the privacy device is turned off
    60. 

  60. 				and cannot send stream to OS applications
    61. 

  61. 

  62. 			unmuted:
    63. 

  63. 				Identifies the privacy device is turned on,
    64. 

  64. 				audio or camera driver can get stream from mic
    65. 

  65. 				and camera module to OS applications
    66. 

  66. 

  67. 		For example to check all supported current privacy device states::
    68. 

  68. 

  69. 		    # cat /sys/bus/wmi/drivers/dell-privacy/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_current_state
    70. 

  70. 		    [Microphone] [unmuted]
    71. 

  71. 		    [Camera Shutter] [unmuted]
    72.