USB_ENDPOINT_SYNC_SYNC 437 sound/usb/pcm.c if ((is_playback && (attr == USB_ENDPOINT_SYNC_SYNC || USB_ENDPOINT_SYNC_SYNC 3045 sound/usb/quirks-table.h USB_ENDPOINT_SYNC_SYNC, USB_ENDPOINT_SYNC_SYNC 3139 sound/usb/quirks-table.h .ep_attr = USB_ENDPOINT_SYNC_SYNC, USB_ENDPOINT_SYNC_SYNC 1756 sound/usb/quirks.c fp->ep_attr |= USB_ENDPOINT_SYNC_SYNC;