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What: /config/usb-gadget
Date: Jun 2013
KernelVersion: 3.11
Description:
This group contains sub-groups corresponding to created
USB gadgets.
What: /config/usb-gadget/gadget
Date: Jun 2013
KernelVersion: 3.11
Description:
The attributes of a gadget:
UDC - bind a gadget to UDC/unbind a gadget;
write UDC's name found in /sys/class/udc/*
to bind a gadget, empty string "" to unbind.
bDeviceClass - USB device class code
bDeviceSubClass - USB device subclass code
bDeviceProtocol - USB device protocol code
bMaxPacketSize0 - maximum endpoint 0 packet size
bcdDevice - bcd device release number
bcdUSB - bcd USB specification version number
idProduct - product ID
idVendor - vendor ID
What: /config/usb-gadget/gadget/configs
Date: Jun 2013
KernelVersion: 3.11
Description:
This group contains a USB gadget's configurations
What: /config/usb-gadget/gadget/configs/config
Date: Jun 2013
KernelVersion: 3.11
Description:
The attributes of a configuration:
bmAttributes - configuration characteristics
MaxPower - maximum power consumption from the bus
What: /config/usb-gadget/gadget/configs/config/strings
Date: Jun 2013
KernelVersion: 3.11
Description:
This group contains subdirectories for language-specific
strings for this configuration.
What: /config/usb-gadget/gadget/configs/config/strings/language
Date: Jun 2013
KernelVersion: 3.11
Description:
The attributes:
configuration - configuration description
What: /config/usb-gadget/gadget/functions
Date: Jun 2013
KernelVersion: 3.11
Description:
This group contains functions available to this USB gadget.
What: /config/usb-gadget/gadget/strings
Date: Jun 2013
KernelVersion: 3.11
Description:
This group contains subdirectories for language-specific
strings for this gadget.
What: /config/usb-gadget/gadget/strings/language
Date: Jun 2013
KernelVersion: 3.11
Description:
The attributes:
serialnumber - gadget's serial number (string)
product - gadget's product description
manufacturer - gadget's manufacturer description
What: /config/usb-gadget/gadget/os_desc
Date: May 2014
KernelVersion: 3.16
Description:
This group contains "OS String" extension handling attributes.
use - flag turning "OS Desctiptors" support on/off
b_vendor_code - one-byte value used for custom per-device and
per-interface requests
qw_sign - an identifier to be reported as "OS String"
proper
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