diff options
| author |   mglocker <mglocker@openbsd.org> | 2008-08-10 10:01:25 +0000 |
|---|---|---|
| committer | mglocker <mglocker@openbsd.org> | 2008-08-10 10:01:25 +0000 |
| commit | db186c4fc5835b85a4cd23bdbf996111506ebc7a (patch) | |
| tree | 1381b7c24494a454fb4e9569f0e692fa782dbb54 | |
| parent | Don't assume the first LAPIC in the table corresponds to the boot processor. (diff) | |
| download | wireguard-openbsd-db186c4fc5835b85a4cd23bdbf996111506ebc7a.tar.xz wireguard-openbsd-db186c4fc5835b85a4cd23bdbf996111506ebc7a.zip | |
Prepare for ehci:
- Remove GET_DEF request for negotation. It doesn't help, instead keep
breaking devices.
- On device close first switch back to default interface 0 before
abort/close the isoc pipe. This fixes IOERRORs on device re-open.
| -rw-r--r-- | sys/dev/usb/uvideo.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/sys/dev/usb/uvideo.c b/sys/dev/usb/uvideo.c index f0c8eaa522f..d4542dbb576 100644 --- a/sys/dev/usb/uvideo.c +++ b/sys/dev/usb/uvideo.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uvideo.c,v 1.77 2008/08/09 08:42:03 mglocker Exp $ */ +/* $OpenBSD: uvideo.c,v 1.78 2008/08/10 10:01:25 mglocker Exp $ */ /* * Copyright (c) 2008 Robert Nagy <robert@openbsd.org> @@ -1033,12 +1033,9 @@ uvideo_vs_negotiation(struct uvideo_softc *sc, int commit) /* get probe */ bzero(probe_data, sizeof(probe_data)); - error = uvideo_vs_get_probe(sc, probe_data, GET_DEF); - if (error != USBD_NORMAL_COMPLETION) { - error = uvideo_vs_get_probe(sc, probe_data, GET_CUR); - if (error != USBD_NORMAL_COMPLETION) - return (error); - } + error = uvideo_vs_get_probe(sc, probe_data, GET_CUR); + if (error != USBD_NORMAL_COMPLETION) + return (error); /* set probe */ pc->bFormatIndex = sc->sc_fmtgrp_cur->format->bFormatIndex; @@ -1134,10 +1131,8 @@ uvideo_vs_get_probe(struct uvideo_softc *sc, uint8_t *probe_data, err = usbd_do_request(sc->sc_udev, &req, probe_data); if (err) { - if (request != GET_DEF) { - printf("%s: could not GET probe request: %s\n", - DEVNAME(sc), usbd_errstr(err)); - } + printf("%s: could not GET probe request: %s\n", + DEVNAME(sc), usbd_errstr(err)); return (USBD_INVAL); } DPRINTF(1, "%s: GET probe request successfully\n", DEVNAME(sc)); @@ -1341,14 +1336,14 @@ uvideo_vs_open(struct uvideo_softc *sc) void uvideo_vs_close(struct uvideo_softc *sc) { + /* switch back to default interface (turns off cam LED) */ + (void)usbd_set_interface(sc->sc_vs_curr->ifaceh, 0); + if (sc->sc_vs_curr->pipeh) { usbd_abort_pipe(sc->sc_vs_curr->pipeh); usbd_close_pipe(sc->sc_vs_curr->pipeh); sc->sc_vs_curr->pipeh = NULL; } - - /* switch back to default interface (turns off cam LED) */ - (void)usbd_set_interface(sc->sc_vs_curr->ifaceh, 0); } usbd_status |