Generic GPIO Beeper support

modulename: gpio-beeper.ko

configname: CONFIG_INPUT_GPIO_BEEPER

Linux Kernel Configuration
└─>Device Drivers
└─>Input device support
└─>Miscellaneous devices
└─>Generic GPIO Beeper support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y here if you have a beeper connected to a GPIO pin.

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

source code:
depends
CONFIG_INPUT
CONFIG_INPUT_MISC
CONFIG_COMPILE_TEST or CONFIG_GPIOLIB