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| author | Anton Vorontsov <cbouatmailru@gmail.com> | 2011-11-25 02:49:45 +0400 |
|---|---|---|
| committer | Anton Vorontsov <cbouatmailru@gmail.com> | 2011-11-25 02:54:59 +0400 |
| commit | 47f0ac2b0a8c7f26b513a2a18045219b030aedf1 (patch) | |
| tree | 27f33a5c1e40ee2a494758c1da2e03e86a09e32c /drivers/media/video/uvc/uvc_video.c | |
| parent | 7925231037447d1a9036f31c823d362bf2ef4bb0 (diff) | |
| parent | c3b92c8787367a8bb53d57d9789b558f1295cc96 (diff) | |
| download | talos-op-linux-47f0ac2b0a8c7f26b513a2a18045219b030aedf1.tar.gz talos-op-linux-47f0ac2b0a8c7f26b513a2a18045219b030aedf1.zip | |
Merge tag 'v3.1' from git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git into master
Battery tree missed last merge window, so it became stale enough
so that patches no longer apply as people use pretty recent kernels.
Diffstat (limited to 'drivers/media/video/uvc/uvc_video.c')
| -rw-r--r-- | drivers/media/video/uvc/uvc_video.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c index 8244167c8915..ffd1158628b6 100644 --- a/drivers/media/video/uvc/uvc_video.c +++ b/drivers/media/video/uvc/uvc_video.c @@ -1104,10 +1104,18 @@ int uvc_video_suspend(struct uvc_streaming *stream) * buffers, making sure userspace applications are notified of the problem * instead of waiting forever. */ -int uvc_video_resume(struct uvc_streaming *stream) +int uvc_video_resume(struct uvc_streaming *stream, int reset) { int ret; + /* If the bus has been reset on resume, set the alternate setting to 0. + * This should be the default value, but some devices crash or otherwise + * misbehave if they don't receive a SET_INTERFACE request before any + * other video control request. + */ + if (reset) + usb_set_interface(stream->dev->udev, stream->intfnum, 0); + stream->frozen = 0; ret = uvc_commit_video(stream, &stream->ctrl); |
