device\rockchip\rk312x\system.prop
-- ro.sf.hwrotation=270
++ ro.sf.hwrotation=90
device\rockchip\common\BoardConfig.mk
-- ROTATE_SCREEN := rotate_270
++ ROTATE_SCREEN := rotate_90
device\rockchip\rk312x\system.prop
-- ro.sf.hwrotation=270
++ ro.sf.hwrotation=90
device\rockchip\common\BoardConfig.mk
-- ROTATE_SCREEN := rotate_270
++ ROTATE_SCREEN := rotate_90