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kernel add
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/*
* Driver for Digigram pcxhr compatible soundcards
*
* low level interface with interrupt ans message handling
*
* Copyright (c) 2004 by Digigram <alsa@digigram.com>
*
* 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
*/
#ifndef __SOUND_PCXHR_MIX22_H
#define __SOUND_PCXHR_MIX22_H
struct pcxhr_mgr;
int hr222_sub_init(struct pcxhr_mgr *mgr);
int hr222_sub_set_clock(struct pcxhr_mgr *mgr, unsigned int rate,
int *changed);
int hr222_get_external_clock(struct pcxhr_mgr *mgr,
enum pcxhr_clock_type clock_type,
int *sample_rate);
int hr222_read_gpio(struct pcxhr_mgr *mgr, int is_gpi, int *value);
int hr222_write_gpo(struct pcxhr_mgr *mgr, int value);
int hr222_manage_timecode(struct pcxhr_mgr *mgr, int enable);
#define HR222_LINE_PLAYBACK_LEVEL_MIN 0 /* -25.5 dB */
#define HR222_LINE_PLAYBACK_ZERO_LEVEL 51 /* 0.0 dB */
#define HR222_LINE_PLAYBACK_LEVEL_MAX 99 /* +24.0 dB */
#define HR222_LINE_CAPTURE_LEVEL_MIN 0 /* -111.5 dB */
#define HR222_LINE_CAPTURE_ZERO_LEVEL 223 /* 0.0 dB */
#define HR222_LINE_CAPTURE_LEVEL_MAX 255 /* +16 dB */
#define HR222_MICRO_CAPTURE_LEVEL_MIN 0 /* -98.5 dB */
#define HR222_MICRO_CAPTURE_LEVEL_MAX 210 /* +6.5 dB */
int hr222_update_analog_audio_level(struct snd_pcxhr *chip,
int is_capture,
int channel);
int hr222_set_audio_source(struct snd_pcxhr *chip);
int hr222_iec958_capture_byte(struct snd_pcxhr *chip, int aes_idx,
unsigned char *aes_bits);
int hr222_iec958_update_byte(struct snd_pcxhr *chip, int aes_idx,
unsigned char aes_bits);
int hr222_add_mic_controls(struct snd_pcxhr *chip);
#endif /* __SOUND_PCXHR_MIX22_H */
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