06bb4e7435
Add a stereo volume control for analog input channel pair 1/2. Signed-off-by: Torsten Schenk <torsten.schenk@zoho.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
/*
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* Linux driver for TerraTec DMX 6Fire USB
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*
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* Author: Torsten Schenk <torsten.schenk@zoho.com>
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* Created: Jan 01, 2011
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* Copyright: (C) Torsten Schenk
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*
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* This program is free software; you can 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; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef USB6FIRE_CONTROL_H
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#define USB6FIRE_CONTROL_H
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#include "common.h"
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enum {
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CONTROL_MAX_ELEMENTS = 32
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};
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enum {
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CONTROL_RATE_44KHZ,
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CONTROL_RATE_48KHZ,
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CONTROL_RATE_88KHZ,
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CONTROL_RATE_96KHZ,
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CONTROL_RATE_176KHZ,
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CONTROL_RATE_192KHZ,
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CONTROL_N_RATES
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};
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struct control_runtime {
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int (*update_streaming)(struct control_runtime *rt);
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int (*set_rate)(struct control_runtime *rt, int rate);
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int (*set_channels)(struct control_runtime *rt, int n_analog_out,
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int n_analog_in, bool spdif_out, bool spdif_in);
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struct sfire_chip *chip;
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struct snd_kcontrol *element[CONTROL_MAX_ELEMENTS];
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bool opt_coax_switch;
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bool line_phono_switch;
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bool digital_thru_switch;
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bool usb_streaming;
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u8 output_vol[6];
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u8 ovol_updated;
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u8 output_mute;
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s8 input_vol[2];
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u8 ivol_updated;
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};
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int __devinit usb6fire_control_init(struct sfire_chip *chip);
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void usb6fire_control_abort(struct sfire_chip *chip);
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void usb6fire_control_destroy(struct sfire_chip *chip);
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#endif /* USB6FIRE_CONTROL_H */
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