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config_ep_by_speed(9) - phpMan

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CONFIG_EP_BY_SPEED(9)                 Kernel Mode Gadget API                CONFIG_EP_BY_SPEED(9)



NAME
       config_ep_by_speed - configures the given endpoint according to gadget speed.

SYNOPSIS
       int config_ep_by_speed(struct usb_gadget * g, struct usb_function * f,
                              struct usb_ep * _ep);

ARGUMENTS
       g
           pointer to the gadget

       f
           usb function

       _ep
           the endpoint to configure

RETURN
       error code, 0 on success

       This function chooses the right descriptors for a given endpoint according to gadget speed
       and saves it in the endpoint desc field. If the endpoint already has a descriptor assigned
       to it - overwrites it with currently corresponding descriptor. The endpoint maxpacket
       field is updated according to the chosen descriptor.

NOTE
       the supplied function should hold all the descriptors for supported speeds

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

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


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