1 /* Copyright (c) 2015, The Linux Foundataion. All rights reserved. 2 * 3 * Redistribution and use in source and binary forms, with or without 4 * modification, are permitted provided that the following conditions are 5 * met: 6 * * Redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer. 8 * * Redistributions in binary form must reproduce the above 9 * copyright notice, this list of conditions and the following 10 * disclaimer in the documentation and/or other materials provided 11 * with the distribution. 12 * * Neither the name of The Linux Foundation nor the names of its 13 * contributors may be used to endorse or promote products derived 14 * from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 */ 29 30 #ifndef __QCAMERA_FLASH_H__ 31 #define __QCAMERA_FLASH_H__ 32 33 #include <hardware/camera_common.h> 34 35 extern "C" { 36 #include <mm_camera_interface.h> 37 } 38 39 namespace qcamera { 40 41 #define QCAMERA_TORCH_CURRENT_VALUE 200 42 43 class QCameraFlash { 44 public: 45 static QCameraFlash& getInstance(); 46 47 int32_t registerCallbacks(const camera_module_callbacks_t* callbacks); 48 int32_t initFlash(const int camera_id); 49 int32_t setFlashMode(const int camera_id, const bool on); 50 int32_t deinitFlash(const int camera_id); 51 int32_t reserveFlashForCamera(const int camera_id); 52 int32_t releaseFlashFromCamera(const int camera_id); 53 54 private: 55 QCameraFlash(); 56 virtual ~QCameraFlash(); 57 QCameraFlash(const QCameraFlash&); 58 QCameraFlash& operator=(const QCameraFlash&); 59 60 const camera_module_callbacks_t *m_callbacks; 61 int32_t m_flashFds[MM_CAMERA_MAX_NUM_SENSORS]; 62 bool m_flashOn[MM_CAMERA_MAX_NUM_SENSORS]; 63 bool m_cameraOpen[MM_CAMERA_MAX_NUM_SENSORS]; 64 }; 65 66 }; // namespace qcamera 67 68 #endif /* __QCAMERA_FLASH_H__ */ 69