DW9807 lens voice coil support

modulename: dw9807-vcm.ko

configname: CONFIG_VIDEO_DW9807_VCM

Linux Kernel Configuration
└─>Device Drivers
└─>Multimedia support
└─>I2C Encoders, decoders, sensors and other helper chips
└─>DW9807 lens voice coil support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This is a driver for the DW9807 camera lens voice coil.
DW9807 is a 10 bit DAC with 100mA output current sink
capability. This is designed for linear control of
voice coil motors, controlled via I2C serial interface.

source code: