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/* Copyright (C) 2007-2008 The Android Open Source Project
**
** This software is licensed under the terms of the GNU General Public
** License version 2, as published by the Free Software Foundation, and
** may be copied, distributed, and modified under those terms.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
*/
#ifndef _android_hw_control_h
#define _android_hw_control_h
#include "qemu-common.h"
/* a callback function called when the system wants to change the brightness
* of a given light. 'light' is a string which can be one of:
* 'lcd_backlight', 'button_backlight' or 'Keyboard_backlight'
*
* brightness is an integer (acceptable range are 0..255), however the
* default is around 105, and we probably don't want to dim the emulator's
* output at that level.
*/
typedef void (*AndroidHwLightBrightnessFunc)( void* opaque,
const char* light,
int brightness );
/* used to record a hw control 'client' */
typedef struct {
AndroidHwLightBrightnessFunc light_brightness;
} AndroidHwControlFuncs;
/* used to initialize the hardware control support */
extern void android_hw_control_init( void* opaque,
const AndroidHwControlFuncs* funcs );
#endif /* _android_hw_control_h */
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