Linux-6.18.2/Documentation/ABI/testing/sysfs-driver-amd-sfh

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2025-12-23 20:05:50 +08:00
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