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1cd2224c MR |
1 | /* |
2 | * Digital Beep Input Interface for HD-audio codec | |
3 | * | |
4 | * Author: Matthew Ranostay <mranostay@embeddedalley.com> | |
5 | * Copyright (c) 2008 Embedded Alley Solutions Inc | |
6 | * | |
7 | * This driver is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This driver is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | */ | |
21 | ||
22 | #ifndef __SOUND_HDA_BEEP_H | |
23 | #define __SOUND_HDA_BEEP_H | |
24 | ||
25 | #include "hda_codec.h" | |
26 | ||
27 | /* beep information */ | |
28 | struct hda_beep { | |
29 | struct input_dev *dev; | |
30 | struct hda_codec *codec; | |
31 | char phys[32]; | |
32 | int tone; | |
fa797966 TI |
33 | hda_nid_t nid; |
34 | unsigned int enabled:1; | |
35 | unsigned int linear_tone:1; /* linear tone for IDT/STAC codec */ | |
1cd2224c MR |
36 | struct work_struct beep_work; /* scheduled task for beep event */ |
37 | }; | |
38 | ||
39 | #ifdef CONFIG_SND_HDA_INPUT_BEEP | |
40 | int snd_hda_attach_beep_device(struct hda_codec *codec, int nid); | |
41 | void snd_hda_detach_beep_device(struct hda_codec *codec); | |
42 | #else | |
680cd536 | 43 | #define snd_hda_attach_beep_device(...) 0 |
1cd2224c MR |
44 | #define snd_hda_detach_beep_device(...) |
45 | #endif | |
46 | #endif |