Extern or forward variable declaration include/media/i2c/mt9p031.h, line 5 [usage...] include/media/v4l2-async.h, line 20 [usage...] include/media/v4l2-common.h, line 118 [usage...] include/media/v4l2-ctrls.h, line 37 [usage...] include/media/v4l2-event.h, line 28 [usage...] include/media/v4l2-subdev.h, line 46 [usage...] Structure include/media/v4l2-subdev.h, line 846 [usage...] Class, struct, or union member drivers/media/dvb-frontends/rtl2832_sdr.c, line 127 [usage...] drivers/media/dvb-frontends/rtl2832_sdr.h, line 57 [usage...] drivers/media/radio/si4713/radio-usb-si4713.c, line 53 [usage...] drivers/media/usb/msi2500/msi2500.c, line 125 [usage...]