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usb_gstrings_attach(9) - phpMan

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USB_GSTRINGS_ATTACH(9)                Kernel Mode Gadget API               USB_GSTRINGS_ATTACH(9)



NAME
       usb_gstrings_attach - attach gadget strings to a cdev and assign ids

SYNOPSIS
       struct usb_string * usb_gstrings_attach(struct usb_composite_dev * cdev,
                                               struct usb_gadget_strings ** sp,
                                               unsigned n_strings);

ARGUMENTS
       cdev
           the device whose string descriptor IDs are being allocated and attached.

       sp
           an array of usb_gadget_strings to attach.

       n_strings
           number of entries in each usb_strings array (sp[]->strings)

DESCRIPTION
       This function will create a deep copy of usb_gadget_strings and usb_string and attach it
       to the cdev. The actual string (usb_string.s) will not be copied but only a referenced
       will be made. The struct usb_gadget_strings array may contain multiple languages and
       should be NULL terminated. The ->language pointer of each struct usb_gadget_strings has to
       contain the same amount of entries. For instance: sp[0] is en-US, sp[1] is es-ES. It is
       expected that the first usb_string entry of es-ES contains the translation of the first
       usb_string entry of en-US. Therefore both entries become the same id assign.

AUTHOR
       David Brownell <dbrownell AT users.net>
           Author.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                    USB_GSTRINGS_ATTACH(9)


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