JBT_REG_POWER_ON_OFF
jbt_reg_write_1(lcd, JBT_REG_POWER_ON_OFF, 0x17, &ret);
jbt_reg_write_1(lcd, JBT_REG_POWER_ON_OFF, 0x16, &ret);
jbt_reg_write_1(lcd, JBT_REG_POWER_ON_OFF, 0x00, NULL);
r |= jbt_reg_write_1(ddata, JBT_REG_POWER_ON_OFF, 0x17);
r |= jbt_reg_write_1(ddata, JBT_REG_POWER_ON_OFF, 0x16);
jbt_reg_write_1(ddata, JBT_REG_POWER_ON_OFF, 0x00);