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Linux/sound/xen/xen_snd_front_cfg.h

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  1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
  2 
  3 /*
  4  * Xen para-virtual sound device
  5  *
  6  * Copyright (C) 2016-2018 EPAM Systems Inc.
  7  *
  8  * Author: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
  9  */
 10 
 11 #ifndef __XEN_SND_FRONT_CFG_H
 12 #define __XEN_SND_FRONT_CFG_H
 13 
 14 #include <sound/core.h>
 15 #include <sound/pcm.h>
 16 
 17 struct xen_snd_front_info;
 18 
 19 struct xen_front_cfg_stream {
 20         int index;
 21         char *xenstore_path;
 22         struct snd_pcm_hardware pcm_hw;
 23 };
 24 
 25 struct xen_front_cfg_pcm_instance {
 26         char name[80];
 27         int device_id;
 28         struct snd_pcm_hardware pcm_hw;
 29         int  num_streams_pb;
 30         struct xen_front_cfg_stream *streams_pb;
 31         int  num_streams_cap;
 32         struct xen_front_cfg_stream *streams_cap;
 33 };
 34 
 35 struct xen_front_cfg_card {
 36         char name_short[32];
 37         char name_long[80];
 38         struct snd_pcm_hardware pcm_hw;
 39         int num_pcm_instances;
 40         struct xen_front_cfg_pcm_instance *pcm_instances;
 41 };
 42 
 43 int xen_snd_front_cfg_card(struct xen_snd_front_info *front_info,
 44                            int *stream_cnt);
 45 
 46 #endif /* __XEN_SND_FRONT_CFG_H */
 47 

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