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c7561cd804
Otherwise we may get compile warnings due to unused functions. Signed-off-by: Takashi Iwai <tiwai@suse.de>
71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
/**
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* Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
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*
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* This source file is released under GPL v2 license (no other versions).
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* See the COPYING file included in the main directory of this source
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* distribution for the license terms and conditions.
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*
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* @File ctmixer.h
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*
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* @Brief
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* This file contains the definition of the mixer device functions.
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*
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* @Author Liu Chun
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* @Date Mar 28 2008
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*
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*/
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#ifndef CTMIXER_H
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#define CTMIXER_H
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#include "ctatc.h"
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#include "ctresource.h"
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#define INIT_VOL 0x1c00
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enum MIXER_PORT_T {
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MIX_WAVE_FRONT,
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MIX_WAVE_REAR,
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MIX_WAVE_CENTLFE,
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MIX_WAVE_SURROUND,
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MIX_SPDIF_OUT,
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MIX_PCMO_FRONT,
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MIX_MIC_IN,
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MIX_LINE_IN,
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MIX_SPDIF_IN,
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MIX_PCMI_FRONT,
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MIX_PCMI_REAR,
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MIX_PCMI_CENTLFE,
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MIX_PCMI_SURROUND,
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NUM_MIX_PORTS
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};
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/* alsa mixer descriptor */
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struct ct_mixer {
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struct ct_atc *atc;
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void **amixers; /* amixer resources for volume control */
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void **sums; /* sum resources for signal collection */
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unsigned int switch_state; /* A bit-map to indicate state of switches */
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int (*get_output_ports)(struct ct_mixer *mixer, enum MIXER_PORT_T type,
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struct rsc **rleft, struct rsc **rright);
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int (*set_input_left)(struct ct_mixer *mixer,
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enum MIXER_PORT_T type, struct rsc *rsc);
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int (*set_input_right)(struct ct_mixer *mixer,
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enum MIXER_PORT_T type, struct rsc *rsc);
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#ifdef CONFIG_PM_SLEEP
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int (*resume)(struct ct_mixer *mixer);
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#endif
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};
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int ct_alsa_mix_create(struct ct_atc *atc,
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enum CTALSADEVS device,
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const char *device_name);
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int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer);
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int ct_mixer_destroy(struct ct_mixer *mixer);
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#endif /* CTMIXER_H */
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