I2C PCF 8584 interfaces

modulename: i2c-algo-pcf.ko

configname: CONFIG_I2C_ALGOPCF

Linux Kernel Configuration
└─>Device Drivers
└─>I2C support
└─>I2C Algorithms
└─>I2C PCF 8584 interfaces
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
source code:
drivers/i2c//algos//i2c-algo-pcf.c
depends
CONFIG_I2C