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What: /sys/bus/pci/drivers/pcie_mp2_amd/*/hpd
Date: April 2025
Contact: mario.limonciello@amd.com
Description:
Human presence detection (HPD) enable/disable.
When HPD is enabled, the device will be able to detect the
presence of a human and will send an interrupt that can be
used to wake the system from a low power state.
When HPD is disabled, the device will not be able to detect
the presence of a human.
Access: Read/Write
Valid values: enabled/disabled
What: /sys/bus/pci/drivers/pcie_mp2_amd/*/in_bag_state
Date: August 2026
Contact: Basavaraj.Natikar@amd.com
Description:
Operating-mode telemetry reported by the SRA sensor that
indicates whether the device is detected inside a bag.
Access: Read only
Valid values: unsigned integer
What: /sys/bus/pci/drivers/pcie_mp2_amd/*/out_bag_state
Date: August 2026
Contact: Basavaraj.Natikar@amd.com
Description:
Operating-mode telemetry reported by the SRA sensor that
indicates whether the device is detected outside a bag.
Access: Read only
Valid values: unsigned integer
What: /sys/bus/pci/drivers/pcie_mp2_amd/*/on_table_state
Date: August 2026
Contact: Basavaraj.Natikar@amd.com
Description:
Operating-mode telemetry reported by the SRA sensor that
indicates whether the device is placed on a table or on a lap.
Access: Read only
Valid values: unsigned integer
What: /sys/bus/pci/drivers/pcie_mp2_amd/*/hinge_angle
Date: August 2026
Contact: Basavaraj.Natikar@amd.com
Description:
Operating-mode telemetry reported by the SRA sensor that
reports the hinge angle of the device in degrees.
Access: Read only
Valid values: unsigned integer (degrees)
What: /sys/bus/pci/drivers/pcie_mp2_amd/*/lid_status
Date: August 2026
Contact: Basavaraj.Natikar@amd.com
Description:
Operating-mode telemetry reported by the SRA sensor that
indicates whether the device lid is open or closed.
Access: Read only
Valid values: unsigned integer
What: /sys/bus/pci/drivers/pcie_mp2_amd/*/device_mode
Date: August 2026
Contact: Basavaraj.Natikar@amd.com
Description:
Operating-mode telemetry reported by the SRA sensor that
reports the platform/device mode.
Access: Read only
Valid values: unsigned integer
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