linux-toradex.git/include/linux/i2c/mpr.h, branch imx-android-r13.2 Linux kernel for Apalis and Colibri modules ENGR00137602-1 input: FSL MPR121 capacitive touch button. 2012-01-09T11:53:46+00:00 Zhang Jiejing jiejing.zhang@freescale.com 2011-01-05T03:37:12+00:00 7afbd286a7db5234047797f340fc31a4886d08ea This button driver is based on Freescale MPR121 capacitive touch sensor controller. It can support 12 elements maximal. The chip is use i2c interface. You can find all the data sheet reference in code by google the name. Signed-off-by: Zhang Jiejing <jiejing.zhang@freescale.com> 
This button driver is based on Freescale MPR121 capacitive
touch sensor controller.

It can support 12 elements maximal. The chip is use i2c interface.

You can find all the data sheet reference in code by google the name.

Signed-off-by: Zhang Jiejing <jiejing.zhang@freescale.com>