OFFSET_IO_CONFIG
[OFFSET_IO_CONFIG] = 0x40,
[OFFSET_IO_CONFIG] = 0x34,
[OFFSET_IO_CONFIG] = 0x34,
mtk_i2c_writew(i2c, I2C_IO_CONFIG_PUSH_PULL, OFFSET_IO_CONFIG);
mtk_i2c_writew(i2c, I2C_IO_CONFIG_OPEN_DRAIN, OFFSET_IO_CONFIG);
mtk_i2c_readw(i2c, OFFSET_IO_CONFIG));