Lines Matching full:usb
1 What: /sys/bus/usb/devices/INTERFACE/authorized
9 by writing INTERFACE to /sys/bus/usb/drivers_probe
15 What: /sys/bus/usb/devices/usbX/interface_authorized_default
22 What: /sys/bus/usb/device/.../authorized
29 USB devices are authorized.
31 Certified Wireless USB devices are not authorized
35 What: /sys/bus/usb/device/.../wusb_cdid
40 For Certified Wireless USB devices only.
44 What: /sys/bus/usb/device/.../wusb_ck
49 For Certified Wireless USB devices only.
55 What: /sys/bus/usb/device/.../wusb_disconnect
60 For Certified Wireless USB devices only.
63 (equivalent to unplugging a wired USB device).
65 What: /sys/bus/usb/drivers/.../new_id
67 Contact: linux-usb@vger.kernel.org
70 dynamically add a new device ID to a USB device driver.
82 # echo "8086 10f5" > /sys/bus/usb/drivers/foo/new_id
87 # echo "0458 7045 0 0458 704c" > /sys/bus/usb/drivers/foo/new_id
93 # cat /sys/bus/usb/drivers/foo/new_id
101 What: /sys/bus/usb-serial/drivers/.../new_id
103 Contact: linux-usb@vger.kernel.org
105 For serial USB drivers, this attribute appears under the
106 extra bus folder "usb-serial" in sysfs; apart from that
108 "/sys/bus/usb/drivers/.../new_id" apply.
110 What: /sys/bus/usb/drivers/.../remove_id
121 # echo "046d c315" > /sys/bus/usb/drivers/foo/remove_id
125 "/sys/bus/usb/drivers/.../new_id"
127 What: /sys/bus/usb/devices/.../power/usb2_hardware_lpm
131 If CONFIG_PM is set and a USB 2.0 lpm-capable device is plugged
135 device and the USB device directory will contain a file named
141 What: /sys/bus/usb/devices/.../power/usb3_hardware_lpm_u1
142 /sys/bus/usb/devices/.../power/usb3_hardware_lpm_u2
147 If CONFIG_PM is set and a USB 3.0 lpm-capable device is plugged
151 USB3 hardware LPM will be enabled for the device and the USB
157 What: /sys/bus/usb/devices/.../ltm_capable
161 USB 3.0 devices may optionally support Latency Tolerance
166 The file will be present for all speeds of USB devices, and will
167 always read "no" for USB 1.1 and USB 2.0 devices.
169 What: /sys/bus/usb/devices/.../(hub interface)/portX
173 The /sys/bus/usb/devices/.../(hub interface)/portX
174 is usb port device's sysfs directory.
176 What: /sys/bus/usb/devices/.../(hub interface)/portX/connect_type
180 Some platforms provide usb port connect types through ACPI.
185 What: /sys/bus/usb/devices/.../(hub interface)/portX/location
189 Some platforms provide usb port physical location through
195 What: /sys/bus/usb/devices/.../(hub interface)/portX/quirks
200 connected on a specific port (e.g. non-standard USB port like
207 as it is considerably faster (it only causes one USB reset
215 USB 2.0 specification, instead of the 50 ms that are normally
219 What: /sys/bus/usb/devices/.../(hub interface)/portX/over_current_count
233 OVER_CURRENT_PORT=/sys/bus/usb/devices/.../(hub interface)/portX
236 What: /sys/bus/usb/devices/.../(hub interface)/portX/usb3_lpm_permit
242 effect both before and after a usb device is enumerated. Supported
247 What: /sys/bus/usb/devices/.../power/usb2_lpm_l1_timeout
251 USB 2.0 devices may support hardware link power management (LPM)
258 What: /sys/bus/usb/devices/.../power/usb2_lpm_besl
262 USB 2.0 devices that support hardware link power management (LPM)
272 USB 2.0 ECN Errata for Link Power Management, section 4.10)
274 What: /sys/bus/usb/devices/.../rx_lanes
279 USB 3.2 adds Dual-lane support, 2 rx and 2 tx lanes over Type-C.
281 direction. Devices before USB 3.2 are single lane (rx_lanes = 1)
283 What: /sys/bus/usb/devices/.../tx_lanes
288 USB 3.2 adds Dual-lane support, 2 rx and 2 tx -lanes over Type-C.
290 direction. Devices before USB 3.2 are single lane (tx_lanes = 1)