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include/linux/video_output.h
1.89 KB
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/* * * Copyright (C) 2006 Luming Yu <luming.yu@intel.com> * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or (at * your option) any later version. * * 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. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ #ifndef _LINUX_VIDEO_OUTPUT_H #define _LINUX_VIDEO_OUTPUT_H #include <linux/device.h> |
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#include <linux/err.h> |
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struct output_device; struct output_properties { int (*set_state)(struct output_device *); int (*get_status)(struct output_device *); }; struct output_device { int request_state; struct output_properties *props; |
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struct device dev; |
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}; |
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#define to_output_device(obj) container_of(obj, struct output_device, dev) |
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#if defined(CONFIG_VIDEO_OUTPUT_CONTROL) || defined(CONFIG_VIDEO_OUTPUT_CONTROL_MODULE) |
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struct output_device *video_output_register(const char *name, struct device *dev, void *devdata, struct output_properties *op); void video_output_unregister(struct output_device *dev); |
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#else static struct output_device *video_output_register(const char *name, struct device *dev, void *devdata, struct output_properties *op) { return ERR_PTR(-ENODEV); } static void video_output_unregister(struct output_device *dev) { return; } #endif |
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#endif |