diff options
Diffstat (limited to 'share')
| -rw-r--r-- | share/man/man9/usbdi.9 | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/share/man/man9/usbdi.9 b/share/man/man9/usbdi.9 index 501c39f4c492..0e9f9f2e94a6 100644 --- a/share/man/man9/usbdi.9 +++ b/share/man/man9/usbdi.9 @@ -593,6 +593,10 @@ use the "usbd_xfer_set_stall()" and "usbd_transfer_clear_stall()" functions! This flag is automatically cleared after that the stall or clear stall has been executed. . +.It pre_scale_frames +If this flag is set the number of frames specified is assumed to give the buffering time in milliseconds instead of frames. +During transfer setup the frames field is pre scaled with the corresponding value for the endpoint and rounded to the nearest number of frames greater than zero. +This option only has effect for ISOCHRONOUS transfers. .El .Pp .Fa bufsize |