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Subject: [media] usb: gadget: uvc: add V4L2 dependency Author: Arnd Bergmann <a...@arndb.de> Date: Mon Sep 12 12:34:57 2016 -0300 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 <a...@arndb.de> Signed-off-by: Hans Verkuil <hans.verk...@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mche...@s-opensource.com> drivers/usb/gadget/Kconfig | 1 + 1 file changed, 1 insertion(+) --- diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index 3c3f31ceece7..4e7503da2fcf 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 _______________________________________________ linuxtv-commits mailing list linuxtv-commits@linuxtv.org https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits