TI AFE4404 heart rate and pulse oximeter sensor

modulename: afe4404.ko

configname: CONFIG_AFE4404

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>Health Sensors
└─>Heart Rate Monitors
└─>TI AFE4404 heart rate and pulse oximeter sensor
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Say yes to choose the Texas Instruments AFE4404
heart rate monitor and low-cost pulse oximeter.

To compile this driver as a module, choose M here: the
module will be called afe4404.

source code: