[media] em28xx-v4l: do not call em28xx_init_camera() if the device has no sensor

This avoids the unnecessary temporary registration of a dummy V4L2 clock.

Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index 09e18da0b5cd..2775c9062c0a 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -2273,7 +2273,8 @@ static int em28xx_v4l2_init(struct em28xx *dev)
         }
 
         em28xx_tuner_setup(dev);
-        em28xx_init_camera(dev);
+        if (dev->em28xx_sensor != EM28XX_NOSENSOR)
+                em28xx_init_camera(dev);
 
         /* Configure audio */
         ret = em28xx_audio_setup(dev);