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yaml --- r: 192918 b: refs/heads/master c: 9ce50c1 h: refs/heads/master v: v3
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Mauro Carvalho Chehab
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May 19, 2010
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refs/heads/master: 77b7422d48cda9b8e5dabb7f4bc056861c5ed4fe | ||
refs/heads/master: 9ce50c1a5faad80cf6100ea4e8970416ee3b8b59 |
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/* ir-raw-event.c - handle IR Pulse/Space event | ||
* | ||
* Copyright (C) 2010 by Mauro Carvalho Chehab <mchehab@redhat.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 version 2 of the License. | ||
* | ||
* 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. | ||
*/ | ||
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#include <media/ir-core.h> | ||
#include <linux/spinlock.h> | ||
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/* Used to handle IR raw handler extensions */ | ||
static LIST_HEAD(rc_map_list); | ||
static spinlock_t rc_map_lock; | ||
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static struct rc_keymap *seek_rc_map(const char *name) | ||
{ | ||
struct rc_keymap *map = NULL; | ||
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spin_lock(&rc_map_lock); | ||
list_for_each_entry(map, &rc_map_list, list) { | ||
if (!strcmp(name, map->map.name)) | ||
break; | ||
} | ||
spin_unlock(&rc_map_lock); | ||
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return map; | ||
} | ||
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struct ir_scancode_table *get_rc_map(const char *name) | ||
{ | ||
int rc = 0; | ||
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struct rc_keymap *map; | ||
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map = seek_rc_map(name); | ||
#ifdef MODULE | ||
if (!map) { | ||
rc = request_module("name"); | ||
if (rc < 0) | ||
return NULL; | ||
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map = seek_rc_map(name); | ||
} | ||
#endif | ||
if (!map) | ||
return NULL; | ||
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return &map->map; | ||
} | ||
EXPORT_SYMBOL_GPL(get_rc_map); | ||
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int ir_register_map(struct rc_keymap *map) | ||
{ | ||
spin_lock(&rc_map_lock); | ||
list_add_tail(&map->list, &rc_map_list); | ||
spin_unlock(&rc_map_lock); | ||
return 0; | ||
} | ||
EXPORT_SYMBOL_GPL(ir_raw_handler_register); | ||
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void ir_unregister_map(struct rc_keymap *map) | ||
{ | ||
spin_lock(&rc_map_lock); | ||
list_del(&map->list); | ||
spin_unlock(&rc_map_lock); | ||
} | ||
EXPORT_SYMBOL_GPL(ir_raw_handler_unregister); |
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