DHT11 (and compatible sensors) driver

modulename: dht11.ko

configname: CONFIG_DHT11

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>Humidity sensors
└─>GPIO Support
└─>DHT11 (and compatible sensors) driver
In linux kernel since version 3.14 (release Date: 2014-03-30)  
This driver supports reading data via a single interrupt
generating GPIO line. Currently tested are DHT11 and DHT22.
Other sensors should work as well as long as they speak the
same protocol.

source code:
depends
CONFIG_IIO
CONFIG_COMPILE_TEST or CONFIG_GPIOLIB