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Recoded hwdep API to follow modern conf style.

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Added hwdep configuration to alsa.conf.
Added documentation for hwdep interface.
This commit is contained in:
Jaroslav Kysela 2001-07-13 10:00:19 +00:00
parent daebb1d1f0
commit d02979784f
7 changed files with 683 additions and 172 deletions
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45
src/hwdep/hwdep_local.h Normal file
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/*
* HwDep interface - local header file
* Copyright (c) 2001 by Jaroslav Kysela <perex@suse.cz>
*
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library 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 Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include "local.h"
typedef struct {
int (*close)(snd_hwdep_t *hwdep);
int (*nonblock)(snd_hwdep_t *hwdep, int nonblock);
int (*info)(snd_hwdep_t *hwdep, snd_hwdep_info_t *info);
int (*ioctl)(snd_hwdep_t *hwdep, unsigned int request, void * arg);
ssize_t (*write)(snd_hwdep_t *hwdep, const void *buffer, size_t size);
ssize_t (*read)(snd_hwdep_t *hwdep, void *buffer, size_t size);
} snd_hwdep_ops_t;
struct _snd_hwdep {
char *name;
snd_hwdep_type_t type;
int mode;
int poll_fd;
snd_hwdep_ops_t *ops;
void *private_data;
};
int snd_hwdep_hw_open(snd_hwdep_t **handle, const char *name, int card, int device, int mode);