USB: Add endpoint usage definitions to ch9.h
The endpoint usage field is described in the USB 2.0 specification, chapter 9.6.6. Also, move the sync type fields block down by some lines to reflect the fact that these are also stuffed in bmAttributes. Signed-off-by: NDaniel Mack <zonque@gmail.com> Acked-by: NClemens Ladisch <clemens@ladisch.de> Acked-by: NGreg Kroah-Hartman <gregkh@suse.de> Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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