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