gsc_register_m2m_device 1182 drivers/media/platform/exynos-gsc/gsc-core.c 	ret = gsc_register_m2m_device(gsc);
gsc_register_m2m_device  379 drivers/media/platform/exynos-gsc/gsc-core.h int gsc_register_m2m_device(struct gsc_dev *gsc);