void outb(u8 val, u16 port)
void pnp_set_logical_device(struct device *dev)
u8 pnp_read_config(struct device *dev, u8 reg)
void pnp_write_config(struct device *dev, u8 reg, u8 value)
void pnp_exit_ext_func_mode(pnp_devfn_t dev)
void pnp_enter_ext_func_mode(pnp_devfn_t dev)
void w83627dhg_set_clksel_48(pnp_devfn_t dev)
void w83627dhg_enable_i2c(pnp_devfn_t dev)
Select Pin 89, Pin 90 function as I2C interface SDA, SCL.