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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 /sys/dev/usb/usb_transfer.c | |
| 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 'sys/dev/usb/usb_transfer.c')
| -rw-r--r-- | sys/dev/usb/usb_transfer.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/dev/usb/usb_transfer.c b/sys/dev/usb/usb_transfer.c index 3a77c36d9b48..8dd9d1d27ac6 100644 --- a/sys/dev/usb/usb_transfer.c +++ b/sys/dev/usb/usb_transfer.c @@ -471,6 +471,8 @@ usbd_transfer_setup_sub(struct usb_setup_params *parm) xfer->fps_shift--; if (xfer->fps_shift > 3) xfer->fps_shift = 3; + if (xfer->flags.pre_scale_frames != 0) + xfer->nframes <<= (3 - xfer->fps_shift); break; } |