On 08/10/10 07:53, Laurent Pinchart wrote: > Hi Randy, > > On Tuesday 10 August 2010 16:48:57 Randy Dunlap wrote: >> On 08/10/10 05:16, Laurent Pinchart wrote: >>> On Monday 09 August 2010 19:55:20 Randy Dunlap wrote: >>>> From: Randy Dunlap <randy.dunlap@xxxxxxxxxx> >>>> >>>> The USB gadget webcam driver uses V4L2 interfaces, so it should depend >>>> on VIDEO_V4L2 instead of VIDEO_DEV. This fixes a lot of build errors >>>> when V4L2 is not enabled: >>>> >>>> ERROR: "v4l2_event_unsubscribe" [drivers/usb/gadget/g_webcam.ko] >>>> undefined! ERROR: "v4l2_event_queue" [drivers/usb/gadget/g_webcam.ko] >>>> undefined! ERROR: "video_device_release" >>>> [drivers/usb/gadget/g_webcam.ko] undefined! ERROR: "video_usercopy" >>>> [drivers/usb/gadget/g_webcam.ko] undefined! ERROR: "v4l2_event_dequeue" >>>> [drivers/usb/gadget/g_webcam.ko] undefined! ERROR: >>>> "video_register_device" [drivers/usb/gadget/g_webcam.ko] undefined! >>>> ERROR: "video_device_alloc" [drivers/usb/gadget/g_webcam.ko] undefined! >>>> ERROR: "v4l2_event_subscribe" [drivers/usb/gadget/g_webcam.ko] >>>> undefined! ERROR: "video_unregister_device" >>>> [drivers/usb/gadget/g_webcam.ko] undefined! >>>> ERROR: "v4l2_fh_init" [drivers/usb/gadget/g_webcam.ko] undefined! >>>> ERROR: "v4l2_event_pending" [drivers/usb/gadget/g_webcam.ko] undefined! >>>> ERROR: "v4l2_event_init" [drivers/usb/gadget/g_webcam.ko] undefined! >>>> ERROR: "video_devdata" [drivers/usb/gadget/g_webcam.ko] undefined! >>>> ERROR: "v4l2_event_alloc" [drivers/usb/gadget/g_webcam.ko] undefined! >>>> ERROR: "v4l2_fh_add" [drivers/usb/gadget/g_webcam.ko] undefined! >>>> ERROR: "v4l2_fh_del" [drivers/usb/gadget/g_webcam.ko] undefined! >>>> ERROR: "v4l2_fh_exit" [drivers/usb/gadget/g_webcam.ko] undefined! >>> >>> All those symbols should be defined when VIDEO_DEV is selected. >>> >>>> ERROR: "v4l2_ctrl_fill" [drivers/media/video/v4l2-common.ko] undefined! >>>> ERROR: "v4l2_ctrl_get_menu" [drivers/media/video/v4l2-common.ko] >>>> undefined! >>> >>> Those 2 symbols require VIDEO_V4L2 but are not used by the webcam gadget >>> driver. >>> >>>> ERROR: "v4l2_device_unregister_subdev" >>>> [drivers/media/video/v4l2-common.ko] undefined! >>>> ERROR: "v4l2_device_register_subdev" >>>> [drivers/media/video/v4l2-common.ko] undefined! >>> >>> Those two symbols should be defined when VIDEO_DEV is selected. They are >>> not used by the webcam gadget driver. >> >> Summary: I should drop this patch and look elsewhere for the problem, >> Right? > > I think the problem comes from somewhere else, yes. Your patch won't hurt, but > I don't see how it could fix the problem either. Agreed. Patch is withdrawn. Thanks. -- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
