linux/linux-5.4.31/drivers/media/pci/cobalt/cobalt-alsa.h

30 lines
728 B
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* ALSA interface to cobalt PCM capture streams
*
* Copyright 2014-2015 Cisco Systems, Inc. and/or its affiliates.
* All rights reserved.
*/
struct snd_card;
struct snd_cobalt_card {
struct cobalt_stream *s;
struct snd_card *sc;
unsigned int capture_transfer_done;
unsigned int hwptr_done_capture;
unsigned alsa_record_cnt;
struct snd_pcm_substream *capture_pcm_substream;
unsigned int pb_size;
unsigned int pb_count;
unsigned int pb_pos;
unsigned pb_filled;
bool alsa_pb_channel;
unsigned alsa_playback_cnt;
struct snd_pcm_substream *playback_pcm_substream;
};
int cobalt_alsa_init(struct cobalt_stream *s);
void cobalt_alsa_exit(struct cobalt_stream *s);