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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
#ifndef __SOUND_MIXER_OSS_H
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#define __SOUND_MIXER_OSS_H
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/*
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* OSS MIXER API
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* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
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#define SNDRV_OSS_MAX_MIXERS 32
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struct snd_mixer_oss_file;
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struct snd_mixer_oss_slot {
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int number;
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unsigned int stereo: 1;
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int (*get_volume)(struct snd_mixer_oss_file *fmixer,
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struct snd_mixer_oss_slot *chn,
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int *left, int *right);
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int (*put_volume)(struct snd_mixer_oss_file *fmixer,
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struct snd_mixer_oss_slot *chn,
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int left, int right);
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int (*get_recsrc)(struct snd_mixer_oss_file *fmixer,
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struct snd_mixer_oss_slot *chn,
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int *active);
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int (*put_recsrc)(struct snd_mixer_oss_file *fmixer,
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struct snd_mixer_oss_slot *chn,
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int active);
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unsigned long private_value;
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void *private_data;
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void (*private_free)(struct snd_mixer_oss_slot *slot);
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int volume[2];
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};
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struct snd_mixer_oss {
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struct snd_card *card;
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char id[16];
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char name[32];
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struct snd_mixer_oss_slot slots[SNDRV_OSS_MAX_MIXERS]; /* OSS mixer slots */
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unsigned int mask_recsrc; /* exclusive recsrc mask */
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int (*get_recsrc)(struct snd_mixer_oss_file *fmixer,
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unsigned int *active_index);
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int (*put_recsrc)(struct snd_mixer_oss_file *fmixer,
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unsigned int active_index);
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void *private_data_recsrc;
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void (*private_free_recsrc)(struct snd_mixer_oss *mixer);
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struct mutex reg_mutex;
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struct snd_info_entry *proc_entry;
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int oss_dev_alloc;
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/* --- */
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int oss_recsrc;
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};
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struct snd_mixer_oss_file {
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struct snd_card *card;
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struct snd_mixer_oss *mixer;
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};
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#endif /* CONFIG_SND_MIXER_OSS */
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#endif /* __SOUND_MIXER_OSS_H */
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