[PATCH 5.4 108/270] media: cxusb-analog: fix V4L2 dependency

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From: Arnd Bergmann <arnd@xxxxxxxx>

[ Upstream commit 1a55caf010c46d4f2073f9e92e97ef65358c16bf ]

CONFIG_DVB_USB_CXUSB_ANALOG is a 'bool' symbol with a dependency on the
tristate CONFIG_VIDEO_V4L2, which means it can be enabled as =y even
when its dependency is =m. This leads to a link failure:

drivers/media/usb/dvb-usb/cxusb-analog.o: In function `cxusb_medion_analog_init':
cxusb-analog.c:(.text+0x92): undefined reference to `v4l2_subdev_call_wrappers'
drivers/media/usb/dvb-usb/cxusb-analog.o: In function `cxusb_medion_register_analog':
cxusb-analog.c:(.text+0x466): undefined reference to `v4l2_device_register'
cxusb-analog.c:(.text+0x4c3): undefined reference to `v4l2_i2c_new_subdev'
cxusb-analog.c:(.text+0x4fb): undefined reference to `v4l2_subdev_call_wrappers'
...

Change the dependency only disallow the analog portion of the driver
in that configuration.

Fixes: e478d4054054 ("media: cxusb: add analog mode support for Medion MD95700")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Signed-off-by: Sean Young <sean@xxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/media/usb/dvb-usb/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/usb/dvb-usb/Kconfig b/drivers/media/usb/dvb-usb/Kconfig
index 1a3e5f965ae40..2d7a5c1c84af6 100644
--- a/drivers/media/usb/dvb-usb/Kconfig
+++ b/drivers/media/usb/dvb-usb/Kconfig
@@ -150,6 +150,7 @@ config DVB_USB_CXUSB
 config DVB_USB_CXUSB_ANALOG
 	bool "Analog support for the Conexant USB2.0 hybrid reference design"
 	depends on DVB_USB_CXUSB && VIDEO_V4L2
+	depends on VIDEO_V4L2=y || VIDEO_V4L2=DVB_USB_CXUSB
 	select VIDEO_CX25840
 	select VIDEOBUF2_VMALLOC
 	help
-- 
2.25.1






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