From 0fbd8ee6de6ac3d0b93c96da848c5bc3ccc1dc83 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Sat, 6 Dec 2008 16:25:14 -0300 Subject: V4L/DVB (9809): uvcvideo: Add nodrop module parameter to turn incomplete frame drop off. The driver drops incomplete uncompressed video frames to avoid confusing userspace with corrupt data. Add a nodrop module parameter to turn that behaviour off and make all frames available to userspace. Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/uvc/uvc_driver.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/media/video/uvc/uvc_driver.c') diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c index 7fe3ae954c1..a67533f11f2 100644 --- a/drivers/media/video/uvc/uvc_driver.c +++ b/drivers/media/video/uvc/uvc_driver.c @@ -44,6 +44,7 @@ #define DRIVER_VERSION "v0.1.0" #endif +unsigned int uvc_no_drop_param; static unsigned int uvc_quirks_param; unsigned int uvc_trace_param; @@ -1939,6 +1940,8 @@ static void __exit uvc_cleanup(void) module_init(uvc_init); module_exit(uvc_cleanup); +module_param_named(nodrop, uvc_no_drop_param, uint, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(nodrop, "Don't drop incomplete frames"); module_param_named(quirks, uvc_quirks_param, uint, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(quirks, "Forced device quirks"); module_param_named(trace, uvc_trace_param, uint, S_IRUGO|S_IWUSR); -- cgit v1.2.3-70-g09d2