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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/sound/usb/6fire/control.h
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/* SPDX-License-Identifier: GPL-2.0-or-later */

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/*

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 * Linux driver for TerraTec DMX 6Fire USB

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 *

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 * Author:	Torsten Schenk <[email protected]>

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 * Created:	Jan 01, 2011

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 * Copyright:	(C) Torsten Schenk

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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 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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