1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1. 1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
2 2
3 .. _Remote_controllers_Intro: 3 .. _Remote_controllers_Intro:
4 4
5 ************ 5 ************
6 Introduction 6 Introduction
7 ************ 7 ************
8 8
9 Currently, most analog and digital devices hav 9 Currently, most analog and digital devices have a Infrared input for
10 remote controllers. Each manufacturer has thei 10 remote controllers. Each manufacturer has their own type of control. It
11 is not rare for the same manufacturer to ship 11 is not rare for the same manufacturer to ship different types of
12 controls, depending on the device. 12 controls, depending on the device.
13 13
14 A Remote Controller interface is mapped as a n 14 A Remote Controller interface is mapped as a normal evdev/input
15 interface, just like a keyboard or a mouse. So 15 interface, just like a keyboard or a mouse. So, it uses all ioctls
16 already defined for any other input devices. 16 already defined for any other input devices.
17 17
18 However, remove controllers are more flexible 18 However, remove controllers are more flexible than a normal input
19 device, as the IR receiver (and/or transmitter 19 device, as the IR receiver (and/or transmitter) can be used in
20 conjunction with a wide variety of different I 20 conjunction with a wide variety of different IR remotes.
21 21
22 In order to allow flexibility, the Remote Cont 22 In order to allow flexibility, the Remote Controller subsystem allows
23 controlling the RC-specific attributes via 23 controlling the RC-specific attributes via
24 :ref:`the sysfs class nodes <remote_controller 24 :ref:`the sysfs class nodes <remote_controllers_sysfs_nodes>`.
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