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Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#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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#if IS_ENABLED(CONFIG_SND_MIXER_OSS)
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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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int snd_mixer_oss_ioctl_card(struct snd_card *card,
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unsigned int cmd, unsigned long arg);
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#endif /* CONFIG_SND_MIXER_OSS */
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#endif /* __SOUND_MIXER_OSS_H */
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