Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 2eb86032 authored by Hans de Goede's avatar Hans de Goede Committed by Greg Kroah-Hartman
Browse files

Documentation sysfs-bus-usb: Document which files are used by libusb 



Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent db187a5b

Documentation/ABI/stable/sysfs-bus-usb

+10 −0
Original line number Diff line number Diff line
@@ -91,6 +91,8 @@ What: /sys/bus/usb/devices/.../devnum 
KernelVersion:	since at least 2.6.18

Description:

		Device address on the USB bus.

Users:

		libusb



What:		/sys/bus/usb/devices/.../bConfigurationValue

KernelVersion:	since at least 2.6.18
@@ -106,11 +108,15 @@ Description: 
		configuration, rather then unconfigure the device.



		Writing -1 will always unconfigure the device.

Users:

		libusb



What:		/sys/bus/usb/devices/.../busnum

KernelVersion:	2.6.22

Description:

		Bus-number of the USB-bus the device is connected to.

Users:

		libusb



What:		/sys/bus/usb/devices/.../descriptors

KernelVersion:	2.6.26
@@ -124,9 +130,13 @@ Description: 
		can be trusted, and can be used to seek forward one (sub)

		descriptor at a time until the next config descriptor is found.

		All descriptors read from this file are in bus-endian format

Users:

		libusb



What:		/sys/bus/usb/devices/.../speed

KernelVersion:	since at least 2.6.18

Description:

		Speed the device is connected with to the usb-host in

		Mbit / second. IE one of 1.5 / 12 / 480 / 5000.

Users:

		libusb