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NXP i.MX7ULP EVK boards all sensors connect with M4 core, A core has to conmunicate with sensors by virtual io bus like rpmsg bus. The driver implement the virtual sensor input driver to configure sensors active/idle/delay actions and report the sensors' event to user space. Supply below sysfs for user to enable/disable detector and counter, set poll delay: /sys/class/misc/step_counter/enable /sys/class/misc/step_detector/enable /sys/class/misc/step_counter/poll_delay Reviewed-by: Elven Wang <elven.wang@nxp.com> Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.