From: Randy Dunlap on
From: Randy Dunlap <randy.dunlap(a)oracle.com>

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!
ERROR: "v4l2_ctrl_fill" [drivers/media/video/v4l2-common.ko] undefined!
ERROR: "v4l2_ctrl_get_menu" [drivers/media/video/v4l2-common.ko] undefined!
ERROR: "v4l2_device_unregister_subdev" [drivers/media/video/v4l2-common.ko] undefined!
ERROR: "v4l2_device_register_subdev" [drivers/media/video/v4l2-common.ko] undefined!

Signed-off-by: Randy Dunlap <randy.dunlap(a)oracle.com>
Cc: David Brownell <dbrownell(a)users.sourceforge.net>
---
drivers/usb/gadget/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-next-20100809.orig/drivers/usb/gadget/Kconfig
+++ linux-next-20100809/drivers/usb/gadget/Kconfig
@@ -947,7 +947,7 @@ endif
# or video class gadget drivers), or specific hardware, here.
config USB_G_WEBCAM
tristate "USB Webcam Gadget"
- depends on VIDEO_DEV
+ depends on VIDEO_V4L2
help
The Webcam Gadget acts as a composite USB Audio and Video Class
device. It provides a userspace API to process UVC control requests
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