usb_ep_align_maybe — returns len aligned to ep's maxpacketsize if gadget requires quirk_ep_out_aligned_size, otherwise reguens len.
len
size_t usb_ep_align_maybe (
)
g
controller to check for quirk
ep
the endpoint whose maxpacketsize is used to align len
buffer size's length to align to ep's maxpacketsize
This helper is used in case it's required for any reason to check and maybe align buffer's size to an ep's maxpacketsize.