VIDEO_CPIA2 must depend on USB

From: Adrian Bunk <bunk@stusta.de>

CONFIG_VIDEO_CPIA2=y, CONFIG_USB=n results in the following compile 
error:

<--  snip  -->

...
  LD      .tmp_vmlinux1
drivers/built-in.o: In function `set_alternate':cpia2_usb.c:(.text+0x443aa2): undefined reference to `usb_set_interface'
:cpia2_usb.c:(.text+0x443abe): undefined reference to `usb_set_interface'
drivers/built-in.o: In function `cpia2_usb_stream_resume': undefined reference to `usb_alloc_urb'
drivers/built-in.o: In function `cpia2_usb_stream_resume': undefined reference to `usb_submit_urb'
drivers/built-in.o: In function `cpia2_usb_stream_pause': undefined reference to `usb_kill_urb'
drivers/built-in.o: In function `cpia2_usb_stream_pause': undefined reference to `usb_free_urb'
drivers/built-in.o: In function `cpia2_usb_disconnect':cpia2_usb.c:(.text+0x443e14): undefined reference to `usb_driver_release_interface'
drivers/built-in.o: In function `cpia2_usb_transfer_cmd': undefined reference to `usb_control_msg'
drivers/built-in.o: In function `cpia2_usb_transfer_cmd': undefined reference to `usb_control_msg'
drivers/built-in.o: In function `cpia2_usb_complete':cpia2_usb.c:(.text+0x444836): undefined reference to `usb_submit_urb'
drivers/built-in.o: In function `cpia2_usb_cleanup': undefined reference to `usb_deregister'
drivers/built-in.o: In function `cpia2_usb_init': undefined reference to `usb_register_driver'
make: *** [.tmp_vmlinux1] Error 1

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/linux/drivers/media/video/cpia2/Kconfig b/linux/drivers/media/video/cpia2/Kconfig
index 1c09ef981..513cc0927 100644
--- a/linux/drivers/media/video/cpia2/Kconfig
+++ b/linux/drivers/media/video/cpia2/Kconfig
@@ -1,6 +1,6 @@
 config VIDEO_CPIA2
 	tristate "CPiA2 Video For Linux"
-	depends on VIDEO_DEV
+	depends on VIDEO_DEV && USB
 	---help---
 	  This is the video4linux driver for cameras based on Vision's CPiA2
 	  (Colour Processor Interface ASIC), such as the Digital Blue QX5