LED support for LM3601x Chips

modulename: leds-lm3601x.ko

configname: CONFIG_LEDS_LM3601X

Linux Kernel Configuration
└─>Device Drivers
└─>LED Support
└─>LED support for LM3601x Chips
In linux kernel since version 4.2 (release Date: 2015-08-30)  
This option enables support for the TI LM3601x family
of flash, torch and indicator classes.

source code:
drivers/leds/flash/leds-lm3601x.c