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- .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
- .. _Remote_controllers_Intro:
- ************
- Introduction
- ************
- Currently, most analog and digital devices have a Infrared input for
- remote controllers. Each manufacturer has their own type of control. It
- is not rare for the same manufacturer to ship different types of
- controls, depending on the device.
- A Remote Controller interface is mapped as a normal evdev/input
- interface, just like a keyboard or a mouse. So, it uses all ioctls
- already defined for any other input devices.
- However, remove controllers are more flexible than a normal input
- device, as the IR receiver (and/or transmitter) can be used in
- conjunction with a wide variety of different IR remotes.
- In order to allow flexibility, the Remote Controller subsystem allows
- controlling the RC-specific attributes via
- :ref:`the sysfs class nodes <remote_controllers_sysfs_nodes>`.
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