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sys/sys/backlight.h
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/*- | |||||
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD | |||||
* | |||||
* Copyright (c) 2020 Emmanuel Vadot <manu@FreeBSD.org> | |||||
* | |||||
* Redistribution and use in source and binary forms, with or without | |||||
* modification, are permitted provided that the following conditions | |||||
* are met: | |||||
* 1. Redistributions of source code must retain the above copyright | |||||
* notice, this list of conditions and the following disclaimer. | |||||
* 2. Redistributions in binary form must reproduce the above copyright | |||||
* notice, this list of conditions and the following disclaimer in the | |||||
* documentation and/or other materials provided with the distribution. | |||||
* | |||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |||||
* SUCH DAMAGE. | |||||
* | |||||
* $FreeBSD$ | |||||
*/ | |||||
#ifndef __BACKLIGHT_H__ | |||||
#define __BACKLIGHT_H__ | |||||
#define BACKLIGHTMAXLEVELS 100 | |||||
struct backlight_props { | |||||
uint32_t brightness; | |||||
uint32_t nlevels; | |||||
uint32_t levels[BACKLIGHTMAXLEVELS]; | |||||
}; | |||||
val_packett.cool: hmm I don't see where that `levels[BACKLIGHTMAXLEVELS]` field is used.. or how it would be used | |||||
Done Inline ActionsSee https://reviews.freebsd.org/D26252 manu: See https://reviews.freebsd.org/D26252
I didn't put this under #ifdef FDT but maybe I should. | |||||
/* | |||||
* ioctls | |||||
*/ | |||||
#define BACKLIGHTGETSTATUS _IOWR('G', 0, struct backlight_props) | |||||
#define BACKLIGHTUPDATESTATUS _IOWR('G', 1, struct backlight_props) | |||||
#endif /* __BACKLIGHT_H__ */ |
hmm I don't see where that levels[BACKLIGHTMAXLEVELS] field is used.. or how it would be used