From: Arnd Bergmann Date: Mon, 12 Sep 2016 15:34:57 +0000 (-0300) Subject: [media] usb: gadget: uvc: add V4L2 dependency X-Git-Tag: v4.9-rc4~7^2~109 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d1463e52003033cf936182b02ae60d9c066000de;p=platform%2Fkernel%2Flinux-amlogic.git [media] usb: gadget: uvc: add V4L2 dependency Building the UVC gadget into the kernel fails to build when CONFIG_VIDEO_V4L2 is a loadable module: drivers/usb/gadget/function/usb_f_uvc.o: In function `uvc_function_ep0_complete': uvc_configfs.c:(.text.uvc_function_ep0_complete+0x84): undefined reference to `v4l2_event_queue' drivers/usb/gadget/function/usb_f_uvc.o: In function `uvc_function_disable': uvc_configfs.c:(.text.uvc_function_disable+0x34): undefined reference to `v4l2_event_queue' Adding a dependency in USB_CONFIGFS_F_UVC (which is a bool symbol) make the 'select USB_F_UVC' statement turn the USB_F_UVC into 'm' whenever CONFIG_VIDEO_V4L2=m too, avoiding the link failure. Signed-off-by: Arnd Bergmann Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index 3c3f31c..4e7503d 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -439,6 +439,7 @@ config USB_CONFIGFS_F_HID config USB_CONFIGFS_F_UVC bool "USB Webcam function" depends on USB_CONFIGFS + depends on VIDEO_V4L2 depends on VIDEO_DEV select VIDEOBUF2_VMALLOC select USB_F_UVC