Extern or forward variable declaration drivers/media/platform/soc_camera/soc_scale_crop.h, line 23 [usage...] include/media/i2c/mt9p031.h, line 4 [usage...] include/media/v4l2-async.h, line 20 [usage...] include/media/v4l2-common.h, line 96 [usage...] include/media/v4l2-ctrls.h, line 34 [usage...] include/media/v4l2-event.h, line 67 [usage...] include/media/v4l2-subdev.h, line 50 [usage...] Structure include/media/v4l2-subdev.h, line 709 [usage...] Class, struct, or union member drivers/media/dvb-frontends/rtl2832_sdr.c, line 125 [usage...] drivers/media/dvb-frontends/rtl2832_sdr.h, line 64 [usage...] drivers/media/radio/si4713/radio-usb-si4713.c, line 65 [usage...] drivers/media/usb/msi2500/msi2500.c, line 125 [usage...]