S5P_CEC_RX_CTRL
writeb(S5P_CEC_RX_CTRL_RESET, cec->reg + S5P_CEC_RX_CTRL);
writeb(S5P_CEC_RX_CTRL_RESET, cec->reg + S5P_CEC_RX_CTRL);
reg = readb(cec->reg + S5P_CEC_RX_CTRL);
writeb(reg, cec->reg + S5P_CEC_RX_CTRL);