Does this help?
Code:
$ lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 008 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 009 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 004 Device 002: ID 073a:2230 Chaplet Systems, Inc. infrared dongle for remote
Bus 004 Device 004: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)
Bus 005 Device 002: ID 046d:c30e Logitech, Inc. UltraX Keyboard (Y-BL49)
Bus 005 Device 003: ID 046d:c501 Logitech, Inc. Cordless Mouse Receiver
Code:
$ cat /proc/acpi/wakeup
Device S-state Status Sysfs node
PCE2 S4 *disabled
PCE3 S4 *disabled
PCE4 S4 *disabled pci:0000:00:04.0
PCE5 S4 *disabled
PCE7 S4 *disabled pci:0000:00:07.0
PCE9 S4 *disabled
PCEA S4 *disabled
SBAZ S4 *disabled pci:0000:00:14.2
P0PC S4 *disabled pci:0000:00:14.4
UHC1 S4 *enabled pci:0000:00:12.0
UHC2 S4 *enabled pci:0000:00:12.2
USB3 S4 *enabled pci:0000:00:13.0
UHC4 S4 *enabled pci:0000:00:13.2
USB5 S4 *enabled pci:0000:00:16.0
UHC6 S4 *enabled pci:0000:00:16.2
UHC7 S4 *enabled pci:0000:00:14.5
PE20 S4 *disabled
PE21 S4 *disabled
PE22 S4 *disabled
PE23 S4 *disabled
GEC S4 *disabled
PS2K S3 *enabled pnp:00:09
PCE6 S4 *disabled pci:0000:00:06.0
PWRB S3 *enabled
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