diff options
| author | Alexey Fisher <bug-track@fisher-privat.net> | 2011-11-03 09:39:37 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-12-11 11:22:07 -0200 |
| commit | edbaa39842793fc4ac6603b277f2ad76f2057a45 (patch) | |
| tree | 6a7a2213fb36540587a8dc77953efa3dcc6ba812 /drivers/media/video/uvc/uvc_driver.c | |
| parent | c4d99f89e20c87c8e2a992ce4cf9aa4325dc7fa7 (diff) | |
[media] uvcvideo: Add debugfs support
Create a debugfs entry per UVC stream. This will be used to export
stream statistics.
Signed-off-by: Alexey Fisher <bug-track@fisher-privat.net>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
[mchehab@redhat.com: add incude <linux/module.h> to avoid compilation breakage]
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/uvc/uvc_driver.c')
| -rw-r--r-- | drivers/media/video/uvc/uvc_driver.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c index 750ab689b99..a240d43d15d 100644 --- a/drivers/media/video/uvc/uvc_driver.c +++ b/drivers/media/video/uvc/uvc_driver.c @@ -1675,6 +1675,8 @@ static void uvc_unregister_video(struct uvc_device *dev) video_unregister_device(stream->vdev); stream->vdev = NULL; + + uvc_debugfs_cleanup_stream(stream); } /* Decrement the stream count and call uvc_delete explicitly if there @@ -1700,6 +1702,8 @@ static int uvc_register_video(struct uvc_device *dev, return ret; } + uvc_debugfs_init_stream(stream); + /* Register the device with V4L. */ vdev = video_device_alloc(); if (vdev == NULL) { @@ -2405,17 +2409,24 @@ struct uvc_driver uvc_driver = { static int __init uvc_init(void) { - int result; + int ret; - result = usb_register(&uvc_driver.driver); - if (result == 0) - printk(KERN_INFO DRIVER_DESC " (" DRIVER_VERSION ")\n"); - return result; + uvc_debugfs_init(); + + ret = usb_register(&uvc_driver.driver); + if (ret < 0) { + uvc_debugfs_cleanup(); + return ret; + } + + printk(KERN_INFO DRIVER_DESC " (" DRIVER_VERSION ")\n"); + return 0; } static void __exit uvc_cleanup(void) { usb_deregister(&uvc_driver.driver); + uvc_debugfs_cleanup(); } module_init(uvc_init); |