mirror of https://gitee.com/openkylin/linux.git
42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
/*
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* ALSA interface to cobalt PCM capture streams
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*
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* Copyright 2014-2015 Cisco Systems, Inc. and/or its affiliates.
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* All rights reserved.
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*
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* This program is free software; you may 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; version 2 of the License.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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struct snd_card;
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struct snd_cobalt_card {
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struct cobalt_stream *s;
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struct snd_card *sc;
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unsigned int capture_transfer_done;
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unsigned int hwptr_done_capture;
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unsigned alsa_record_cnt;
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struct snd_pcm_substream *capture_pcm_substream;
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unsigned int pb_size;
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unsigned int pb_count;
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unsigned int pb_pos;
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unsigned pb_filled;
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bool alsa_pb_channel;
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unsigned alsa_playback_cnt;
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struct snd_pcm_substream *playback_pcm_substream;
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};
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int cobalt_alsa_init(struct cobalt_stream *s);
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void cobalt_alsa_exit(struct cobalt_stream *s);
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