CEC_DIV_RATIO 28 drivers/media/platform/s5p-cec/exynos_hdmi_cecctrl.c div_ratio = S5P_HDMI_FIN / CEC_DIV_RATIO - 1; CEC_DIV_RATIO 42 drivers/media/platform/s5p-cec/exynos_hdmi_cecctrl.c div_val = CEC_DIV_RATIO * 0.00005 - 1;