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| author | Hans Petter Selasky <hselasky@FreeBSD.org> | 2011-02-28 17:23:15 +0000 |
|---|---|---|
| committer | Hans Petter Selasky <hselasky@FreeBSD.org> | 2011-02-28 17:23:15 +0000 |
| commit | 1c49736857cfe0b562e2f1e100ab2307e882a9e6 (patch) | |
| tree | 47ed63016899826a83fbbc10b56bb53c1b6d65cd /share | |
| parent | 898899d9ddbd15925a9d3c6b1da0d426dbc6351b (diff) | |
| download | src-1c49736857cfe0b562e2f1e100ab2307e882a9e6.tar.gz src-1c49736857cfe0b562e2f1e100ab2307e882a9e6.zip | |
- Add support for software pre-scaling of ISOCHRONOUS transfers.
MFC after: 14 days
Approved by: thompsa (mentor)
Notes
Notes:
svn path=/head/; revision=219100
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 |