From: Perry Yuan <perry_yuan@xxxxxxxx> Describe the Dell Privacy feature capabilities and devices state class exposed by BIOS Signed-off-by: Perry Yuan <perry_yuan@xxxxxxxx> --- .../testing/sysfs-platform-dell-privacy-wmi | 31 +++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-platform-dell-privacy-wmi diff --git a/Documentation/ABI/testing/sysfs-platform-dell-privacy-wmi b/Documentation/ABI/testing/sysfs-platform-dell-privacy-wmi new file mode 100644 index 000000000000..3dbc2d25b60e --- /dev/null +++ b/Documentation/ABI/testing/sysfs-platform-dell-privacy-wmi @@ -0,0 +1,31 @@ +What: /sys/bus/wmi/devices/6932965F-1671-4CEB-B988-D3AB0A901919/devices_supported +Date: Jan 2021 +KernelVersion: 5.11 +Contact: "perry_yuan@xxxxxxxx>" +Description: + Display which dell hardware level privacy devices are supported + “Dell Privacy” is a set of HW, FW, and SW features to enhance + Dell’s commitment to platform privacy for MIC, Camera, and + ePrivacy screens. + The supported privacy haredware privacy devices are: + * 0x0 - None, + * 0x1 - Microphone, + * 0x2 - Camera, + * 0x4 - ePrivacy Screen + +What: /sys/bus/wmi/devices/6932965F-1671-4CEB-B988-D3AB0A901919/current_state +Date: Jan 2021 +KernelVersion: 5.11 +Contact: "perry_yuan@xxxxxxxx>" +Description: + Allow user space to check current dell privacy device state. + Describes the Device State class exposed by BIOS which can be + consumed by various applications interested in knowing the Privacy + feature capabilities + There are three Bits for available states: + * 0 -> Off + * 1 -> On + * Bit0 -> Microphone + * Bit1 -> Camera + * Bit2 -> ePrivacyScreen + -- 2.25.1
