Summit Microelectronics SMB3XX Battery Charger

modulename: smb347-charger.ko

configname: CONFIG_CHARGER_SMB347

Linux Kernel Configuration
└─>Device Drivers
└─>Power supply class support
└─>Summit Microelectronics SMB3XX Battery Charger
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Say Y to include support for Summit Microelectronics SMB345,
SMB347 or SMB358 Battery Charger.

source code:
drivers/power/supply/smb347-charger.c