JBT_REG_OUTPUT_CONTROL
jbt_reg_write_2(lcd, JBT_REG_OUTPUT_CONTROL, 0xfff9, &ret);
jbt_reg_write_2(lcd, JBT_REG_OUTPUT_CONTROL, 0x8002, NULL);
r |= jbt_reg_write_2(ddata, JBT_REG_OUTPUT_CONTROL, 0xfff9);
jbt_reg_write_2(ddata, JBT_REG_OUTPUT_CONTROL, 0x8002);