usb_get_current_frame_number man page on Scientific

usb_get_current_frame_number man page on Scientific

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USB_GET_CURRENT_FRAM(9)		 USB Core APIs	       USB_GET_CURRENT_FRAM(9)

NAME
       usb_get_current_frame_number - return current bus frame number

SYNOPSIS
       int usb_get_current_frame_number(struct usb_device * dev);

ARGUMENTS
       dev
	   the device whose bus is being queried

DESCRIPTION
       Returns the current frame number for the USB host controller used with
       the given USB device. This can be used when scheduling isochronous
       requests.

       Note that different kinds of host controller have different “scheduling
       horizons”. While one type might support scheduling only 32 frames into
       the future, others could support scheduling up to 1024 frames into the
       future.

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013	       USB_GET_CURRENT_FRAM(9)

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