diff options
author | Jacob Meuser <jakemsr@cvs.openbsd.org> | 2009-11-24 00:31:14 +0000 |
---|---|---|
committer | Jacob Meuser <jakemsr@cvs.openbsd.org> | 2009-11-24 00:31:14 +0000 |
commit | 8d27fa045af5daa13f832a3c46fcaa53ded14a7a (patch) | |
tree | b84e5cd353a70ab34e3d7edebfe0e58ef59d39d6 /sys | |
parent | fcd72d51a223ebafe30df2b9ea785d80c4483d1d (diff) |
fix hardware polling interval calculation. uaudio on my Logitech webcam
now records properly.
ok miod, yuo
Diffstat (limited to 'sys')
-rw-r--r-- | sys/dev/usb/ehci.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/dev/usb/ehci.c b/sys/dev/usb/ehci.c index 3b2274ca27d..0718dac34f2 100644 --- a/sys/dev/usb/ehci.c +++ b/sys/dev/usb/ehci.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ehci.c,v 1.104 2009/11/04 19:14:10 kettenis Exp $ */ +/* $OpenBSD: ehci.c,v 1.105 2009/11/24 00:31:13 jakemsr Exp $ */ /* $NetBSD: ehci.c,v 1.66 2004/06/30 03:11:56 mycroft Exp $ */ /* @@ -3684,7 +3684,7 @@ ehci_device_isoc_start(usbd_xfer_handle xfer) * the entire frame table. To within 4 frames, to allow some leeway * on either side of where the hc currently is. */ - if ((1 << (epipe->pipe.endpoint->edesc->bInterval)) * + if ((1 << (epipe->pipe.endpoint->edesc->bInterval - 1)) * xfer->nframes >= (sc->sc_flsize - 4) * 8) { printf("ehci: isoc descriptor requested that spans the entire " "frametable, too many frames\n"); @@ -3854,7 +3854,7 @@ ehci_device_isoc_start(usbd_xfer_handle xfer) frindex &= (sc->sc_flsize - 1); /* Whats the frame interval? */ - i = (1 << epipe->pipe.endpoint->edesc->bInterval); + i = (1 << (epipe->pipe.endpoint->edesc->bInterval - 1)); if (i / 8 == 0) i = 1; else |