backlight_if.m

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    1 #-
    2 # SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3 #
    4 # Copyright (c) 2020 Emmanuel Vadot <manu@FreeBSD.org>
    5 #
    6 # Redistribution and use in source and binary forms, with or without
    7 # modification, are permitted provided that the following conditions
    8 # are met:
    9 # 1. Redistributions of source code must retain the above copyright
   10 #    notice, this list of conditions and the following disclaimer.
   11 # 2. Redistributions in binary form must reproduce the above copyright
   12 #    notice, this list of conditions and the following disclaimer in the
   13 #    documentation and/or other materials provided with the distribution.
   14 #
   15 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25 # SUCH DAMAGE.
   26 #
   27 # $FreeBSD$
   28 
   29 #include <dev/backlight/backlight.h>
   30 
   31 INTERFACE backlight;
   32 
   33 CODE {
   34         static int
   35         backlight_default_update_status(device_t dev, struct backlight_props *props)
   36         {
   37                 return (EOPNOTSUPP);
   38         }
   39 
   40         static int
   41         backlight_default_get_status(device_t dev, struct backlight_props *props)
   42         {
   43                 return (EOPNOTSUPP);
   44         }
   45 
   46         static int
   47         backlight_default_get_info(device_t dev, struct backlight_info *info)
   48         {
   49                 return (EOPNOTSUPP);
   50         }
   51 };
   52 
   53 METHOD int update_status {
   54         device_t dev;
   55         struct backlight_props *props;
   56 } DEFAULT backlight_default_update_status;
   57 
   58 METHOD int get_status {
   59         device_t dev;
   60         struct backlight_props *props;
   61 } DEFAULT backlight_default_get_status;
   62 
   63 METHOD int get_info {
   64         device_t dev;
   65         struct backlight_info *info;
   66 } DEFAULT backlight_default_get_info;

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FreeBSD/Linux Kernel Cross Reference sys/dev/backlight/backlight_if.m

FreeBSD/Linux Kernel Cross Reference
sys/dev/backlight/backlight_if.m