663 lines
17 KiB
C
663 lines
17 KiB
C
/*
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* Linux driver for TerraTec DMX 6Fire USB
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*
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* Mixer control
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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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* Thanks to:
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* - Holger Ruckdeschel: he found out how to control individual analog
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* channel volumes and introduced mute switches
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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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#include <linux/interrupt.h>
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#include <sound/control.h>
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#include <sound/tlv.h>
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#include "control.h"
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#include "comm.h"
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#include "chip.h"
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#include "rates.h"
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static char *opt_coax_texts[2] = { "Optical", "Coax" };
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static char *line_phono_texts[2] = { "Line", "Phono" };
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/*
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* data that needs to be sent to device. sets up card internal stuff.
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* values dumped from windows driver and filtered by trial'n'error.
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*/
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static const struct {
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u8 type;
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u8 reg;
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u8 value;
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}
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init_data[] = {
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{ 0x12, 0x0e, 0x2f },
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{ 0x22, 0x00, 0x00 }, { 0x20, 0x00, 0x08 }, { 0x22, 0x01, 0x01 },
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{ 0x20, 0x01, 0x08 }, { 0x22, 0x02, 0x00 }, { 0x20, 0x02, 0x08 },
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{ 0x22, 0x03, 0x00 }, { 0x20, 0x03, 0x08 }, { 0x22, 0x04, 0x00 },
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{ 0x20, 0x04, 0x08 }, { 0x22, 0x05, 0x01 }, { 0x20, 0x05, 0x08 },
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{ 0x22, 0x04, 0x01 }, { 0x12, 0x04, 0x00 }, { 0x12, 0x05, 0x00 },
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{ 0x12, 0x23, 0x00 }, { 0x12, 0x06, 0x02 }, { 0x12, 0x03, 0x00 },
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{ 0x12, 0x02, 0x00 }, { 0x22, 0x03, 0x01 },
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{} /* TERMINATING ENTRY */
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};
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static DECLARE_TLV_DB_MINMAX(tlv_output, -9000, 0);
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static DECLARE_TLV_DB_MINMAX(tlv_input, -1500, 1500);
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static void usb6fire_control_output_vol_update(struct control_runtime *rt)
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{
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struct comm_runtime *comm_rt = rt->chip->comm;
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int i;
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if (comm_rt)
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for (i = 0; i < 6; i++)
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comm_rt->write8(comm_rt, 0x12, 0x0f + i,
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180 - rt->output_vol[i]);
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}
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static void usb6fire_control_output_mute_update(struct control_runtime *rt)
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{
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struct comm_runtime *comm_rt = rt->chip->comm;
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if (comm_rt)
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comm_rt->write8(comm_rt, 0x12, 0x0e, ~rt->output_mute);
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}
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static void usb6fire_control_input_vol_update(struct control_runtime *rt)
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{
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struct comm_runtime *comm_rt = rt->chip->comm;
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int i;
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if (comm_rt)
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for (i = 0; i < 2; i++)
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comm_rt->write8(comm_rt, 0x12, 0x1c + i,
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rt->input_vol[i] & 0x3f);
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}
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static void usb6fire_control_line_phono_update(struct control_runtime *rt)
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{
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struct comm_runtime *comm_rt = rt->chip->comm;
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if (comm_rt) {
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comm_rt->write8(comm_rt, 0x22, 0x02, rt->line_phono_switch);
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comm_rt->write8(comm_rt, 0x21, 0x02, rt->line_phono_switch);
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}
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}
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static void usb6fire_control_opt_coax_update(struct control_runtime *rt)
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{
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struct comm_runtime *comm_rt = rt->chip->comm;
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if (comm_rt) {
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comm_rt->write8(comm_rt, 0x22, 0x00, rt->opt_coax_switch);
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comm_rt->write8(comm_rt, 0x21, 0x00, rt->opt_coax_switch);
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}
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}
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static int usb6fire_control_set_rate(struct control_runtime *rt, unsigned int rate)
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{
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int ret;
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int rate_id;
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struct usb_device *device = rt->chip->dev;
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struct comm_runtime *comm_rt = rt->chip->comm;
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rt->use_analog = false;
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rt->use_spdif = false;
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rate_id = rate_to_id(rate);
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if (!rates_valid[rate_id])
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return -EINVAL;
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ret = usb_set_interface(device, 1, rates_altsetting[rate_id]);
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if (ret < 0)
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return ret;
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/* set soundcard clock */
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ret = comm_rt->write16(comm_rt, 0x02, 0x01, rates_6fire_vl[rate_id],
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rates_6fire_vh[rate_id]);
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if (ret < 0)
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return ret;
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ret = comm_rt->write8(comm_rt, 0x12, 0x03, rates_fmode[rate_id]);
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if (ret < 0)
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return ret;
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ret = comm_rt->write8(comm_rt, 0x12, 0x06, rates_clock[rate_id]);
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if (ret < 0)
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return ret;
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if (PCM_MODE_USES_ANALOG(rt->chip->pcm_mode))
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rt->use_analog = true;
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if (PCM_MODE_USES_SPDIF(rt->chip->pcm_mode)
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&& rates_spdif_possible[rate_id])
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rt->use_spdif = true;
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return 0;
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}
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static int usb6fire_control_streaming_update(struct control_runtime *rt)
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{
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struct comm_runtime *comm_rt = rt->chip->comm;
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int ret;
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if (comm_rt) {
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if (!rt->usb_streaming && rt->digital_thru_switch)
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usb6fire_control_set_rate(rt,
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rates[RATE_DIGITAL_THRU_ONLY]);
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if (rt->usb_streaming) {
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ret = comm_rt->write16(comm_rt, 0x02, 0x02, 0x00, 0x00);
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if (ret < 0)
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return ret;
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ret = comm_rt->write16(comm_rt, 0x02, 0x03, 0x00, 0x00);
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if (ret < 0)
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return ret;
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if (rt->use_analog) {
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ret = comm_rt->write16(comm_rt, 0x02, 0x02, 0x07, 0x03);
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if (ret < 0)
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return ret;
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}
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if (rt->use_spdif) {
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if (rt->use_analog)
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ret = comm_rt->write16(comm_rt, 0x02, 0x03, 0x00, 0x02);
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else
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ret = comm_rt->write16(comm_rt, 0x02, 0x03, 0x00, 0x03);
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if (ret < 0)
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return ret;
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}
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}
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return comm_rt->write16(comm_rt, 0x02, 0x00, 0x00,
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(rt->usb_streaming ? 0x01 : 0x00) |
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(rt->digital_thru_switch ? 0x08 : 0x00));
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}
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return -EINVAL;
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}
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static int usb6fire_control_output_vol_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 2;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = 180;
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return 0;
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}
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static int usb6fire_control_output_vol_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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unsigned int ch = kcontrol->private_value;
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int changed = 0;
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if (ch > 4) {
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snd_printk(KERN_ERR PREFIX "Invalid channel in volume control.");
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return -EINVAL;
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}
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if (rt->output_vol[ch] != ucontrol->value.integer.value[0]) {
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rt->output_vol[ch] = ucontrol->value.integer.value[0];
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changed = 1;
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}
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if (rt->output_vol[ch + 1] != ucontrol->value.integer.value[1]) {
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rt->output_vol[ch + 1] = ucontrol->value.integer.value[1];
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changed = 1;
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}
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if (changed)
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usb6fire_control_output_vol_update(rt);
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return changed;
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}
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static int usb6fire_control_output_vol_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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unsigned int ch = kcontrol->private_value;
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if (ch > 4) {
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snd_printk(KERN_ERR PREFIX "Invalid channel in volume control.");
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return -EINVAL;
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}
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ucontrol->value.integer.value[0] = rt->output_vol[ch];
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ucontrol->value.integer.value[1] = rt->output_vol[ch + 1];
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return 0;
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}
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static int usb6fire_control_output_mute_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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unsigned int ch = kcontrol->private_value;
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u8 old = rt->output_mute;
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u8 value = 0;
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if (ch > 4) {
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snd_printk(KERN_ERR PREFIX "Invalid channel in volume control.");
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return -EINVAL;
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}
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rt->output_mute &= ~(3 << ch);
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if (ucontrol->value.integer.value[0])
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value |= 1;
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if (ucontrol->value.integer.value[1])
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value |= 2;
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rt->output_mute |= value << ch;
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if (rt->output_mute != old)
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usb6fire_control_output_mute_update(rt);
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return rt->output_mute != old;
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}
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static int usb6fire_control_output_mute_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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unsigned int ch = kcontrol->private_value;
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u8 value = rt->output_mute >> ch;
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if (ch > 4) {
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snd_printk(KERN_ERR PREFIX "Invalid channel in volume control.");
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return -EINVAL;
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}
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ucontrol->value.integer.value[0] = 1 & value;
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value >>= 1;
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ucontrol->value.integer.value[1] = 1 & value;
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return 0;
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}
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static int usb6fire_control_input_vol_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 2;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = 30;
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return 0;
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}
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static int usb6fire_control_input_vol_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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int changed = 0;
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if (rt->input_vol[0] != ucontrol->value.integer.value[0]) {
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rt->input_vol[0] = ucontrol->value.integer.value[0] - 15;
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changed = 1;
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}
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if (rt->input_vol[1] != ucontrol->value.integer.value[1]) {
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rt->input_vol[1] = ucontrol->value.integer.value[1] - 15;
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changed = 1;
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}
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if (changed)
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usb6fire_control_input_vol_update(rt);
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return changed;
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}
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static int usb6fire_control_input_vol_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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ucontrol->value.integer.value[0] = rt->input_vol[0] + 15;
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ucontrol->value.integer.value[1] = rt->input_vol[1] + 15;
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return 0;
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}
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static int usb6fire_control_line_phono_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
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uinfo->count = 1;
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uinfo->value.enumerated.items = 2;
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if (uinfo->value.enumerated.item > 1)
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uinfo->value.enumerated.item = 1;
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strcpy(uinfo->value.enumerated.name,
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line_phono_texts[uinfo->value.enumerated.item]);
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return 0;
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}
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static int usb6fire_control_line_phono_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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int changed = 0;
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if (rt->line_phono_switch != ucontrol->value.integer.value[0]) {
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rt->line_phono_switch = ucontrol->value.integer.value[0];
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usb6fire_control_line_phono_update(rt);
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changed = 1;
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}
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return changed;
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}
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static int usb6fire_control_line_phono_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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ucontrol->value.integer.value[0] = rt->line_phono_switch;
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return 0;
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}
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static int usb6fire_control_opt_coax_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
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uinfo->count = 1;
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uinfo->value.enumerated.items = 2;
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if (uinfo->value.enumerated.item > 1)
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uinfo->value.enumerated.item = 1;
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strcpy(uinfo->value.enumerated.name,
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opt_coax_texts[uinfo->value.enumerated.item]);
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return 0;
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}
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static int usb6fire_control_opt_coax_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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int changed = 0;
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if (rt->opt_coax_switch != ucontrol->value.enumerated.item[0]) {
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rt->opt_coax_switch = ucontrol->value.enumerated.item[0];
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usb6fire_control_opt_coax_update(rt);
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changed = 1;
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}
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return changed;
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}
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static int usb6fire_control_opt_coax_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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ucontrol->value.enumerated.item[0] = rt->opt_coax_switch;
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return 0;
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}
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static int usb6fire_control_digital_thru_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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int changed = 0;
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if (rt->digital_thru_switch != ucontrol->value.integer.value[0]) {
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rt->digital_thru_switch = ucontrol->value.integer.value[0];
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usb6fire_control_streaming_update(rt);
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changed = 1;
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}
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return changed;
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}
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static int usb6fire_control_digital_thru_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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ucontrol->value.integer.value[0] = rt->digital_thru_switch;
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return 0;
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}
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static struct snd_kcontrol_new common_elements[] = {
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{
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Digital Thru Playback Route",
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.index = 0,
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
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.info = snd_ctl_boolean_mono_info,
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.get = usb6fire_control_digital_thru_get,
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.put = usb6fire_control_digital_thru_put
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},
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{
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Opt/Coax Capture Route",
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.index = 0,
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
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.info = usb6fire_control_opt_coax_info,
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.get = usb6fire_control_opt_coax_get,
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.put = usb6fire_control_opt_coax_put
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},
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{}
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};
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static struct snd_kcontrol_new analog_vol_elements[] = {
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{
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Analog Playback Volume",
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.index = 1,
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.private_value = 0,
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
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SNDRV_CTL_ELEM_ACCESS_TLV_READ,
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.info = usb6fire_control_output_vol_info,
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.get = usb6fire_control_output_vol_get,
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.put = usb6fire_control_output_vol_put,
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.tlv = { .p = tlv_output }
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},
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{
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Analog Playback Volume",
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.index = 2,
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.private_value = 2,
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
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SNDRV_CTL_ELEM_ACCESS_TLV_READ,
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.info = usb6fire_control_output_vol_info,
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.get = usb6fire_control_output_vol_get,
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.put = usb6fire_control_output_vol_put,
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.tlv = { .p = tlv_output }
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},
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{
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Analog Playback Volume",
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.index = 3,
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.private_value = 4,
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
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SNDRV_CTL_ELEM_ACCESS_TLV_READ,
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.info = usb6fire_control_output_vol_info,
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.get = usb6fire_control_output_vol_get,
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.put = usb6fire_control_output_vol_put,
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.tlv = { .p = tlv_output }
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},
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{}
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};
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|
|
static struct snd_kcontrol_new analog_mute_elements[] = {
|
|
{
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "Analog Playback Switch",
|
|
.index = 1,
|
|
.private_value = 0,
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
|
|
.info = snd_ctl_boolean_stereo_info,
|
|
.get = usb6fire_control_output_mute_get,
|
|
.put = usb6fire_control_output_mute_put
|
|
},
|
|
{
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "Analog Playback Switch",
|
|
.index = 2,
|
|
.private_value = 2,
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
|
|
.info = snd_ctl_boolean_stereo_info,
|
|
.get = usb6fire_control_output_mute_get,
|
|
.put = usb6fire_control_output_mute_put
|
|
},
|
|
{
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "Analog Playback Switch",
|
|
.index = 3,
|
|
.private_value = 4,
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
|
|
.info = snd_ctl_boolean_stereo_info,
|
|
.get = usb6fire_control_output_mute_get,
|
|
.put = usb6fire_control_output_mute_put
|
|
},
|
|
{}
|
|
};
|
|
|
|
static struct snd_kcontrol_new analog_elements[] = {
|
|
{
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "Line/Phono Capture Route",
|
|
.index = 0,
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
|
|
.info = usb6fire_control_line_phono_info,
|
|
.get = usb6fire_control_line_phono_get,
|
|
.put = usb6fire_control_line_phono_put
|
|
},
|
|
{
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "Analog Capture Volume",
|
|
.index = 0,
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
|
|
SNDRV_CTL_ELEM_ACCESS_TLV_READ,
|
|
.info = usb6fire_control_input_vol_info,
|
|
.get = usb6fire_control_input_vol_get,
|
|
.put = usb6fire_control_input_vol_put,
|
|
.tlv = { .p = tlv_input }
|
|
},
|
|
{}
|
|
};
|
|
|
|
static struct snd_kcontrol_new spdif_elements[] = {
|
|
{}
|
|
};
|
|
|
|
int usb6fire_control_add_elements(struct control_runtime *rt, struct snd_card *card, struct snd_kcontrol_new *elements)
|
|
{
|
|
int i = 0;
|
|
int ret;
|
|
|
|
while (elements[i].name) {
|
|
ret = snd_ctl_add(card, snd_ctl_new1(&elements[i], rt));
|
|
if (ret < 0)
|
|
return ret;
|
|
i++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int usb6fire_control_add_virtual(
|
|
struct control_runtime *rt,
|
|
struct snd_card *card,
|
|
char *name,
|
|
struct snd_kcontrol_new *elems)
|
|
{
|
|
int ret;
|
|
int i;
|
|
struct snd_kcontrol *vmaster = snd_ctl_make_virtual_master(name, NULL);
|
|
struct snd_kcontrol *control;
|
|
|
|
if (!vmaster)
|
|
return -ENOMEM;
|
|
ret = snd_ctl_add(card, vmaster);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
i = 0;
|
|
while (elems[i].name) {
|
|
control = snd_ctl_new1(&elems[i], rt);
|
|
if (!control)
|
|
return -ENOMEM;
|
|
ret = snd_ctl_add(card, control);
|
|
if (ret < 0)
|
|
return ret;
|
|
ret = snd_ctl_add_slave(vmaster, control);
|
|
if (ret < 0)
|
|
return ret;
|
|
i++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int usb6fire_control_init(struct sfire_chip *chip)
|
|
{
|
|
int i;
|
|
int ret;
|
|
struct control_runtime *rt = kzalloc(sizeof(struct control_runtime),
|
|
GFP_KERNEL);
|
|
struct comm_runtime *comm_rt = chip->comm;
|
|
|
|
if (!rt)
|
|
return -ENOMEM;
|
|
|
|
rt->chip = chip;
|
|
rt->update_streaming = usb6fire_control_streaming_update;
|
|
rt->set_rate = usb6fire_control_set_rate;
|
|
|
|
i = 0;
|
|
while (init_data[i].type) {
|
|
comm_rt->write8(comm_rt, init_data[i].type, init_data[i].reg,
|
|
init_data[i].value);
|
|
i++;
|
|
}
|
|
|
|
usb6fire_control_opt_coax_update(rt);
|
|
usb6fire_control_line_phono_update(rt);
|
|
usb6fire_control_output_vol_update(rt);
|
|
usb6fire_control_output_mute_update(rt);
|
|
usb6fire_control_input_vol_update(rt);
|
|
usb6fire_control_streaming_update(rt);
|
|
|
|
if (PCM_MODE_USES_ANALOG(chip->pcm_mode)) {
|
|
ret = usb6fire_control_add_virtual(rt, chip->card,
|
|
"Master Playback Volume", analog_vol_elements);
|
|
if (ret < 0) {
|
|
snd_printk(KERN_ERR "Cannot add control.");
|
|
kfree(rt);
|
|
return ret;
|
|
}
|
|
ret = usb6fire_control_add_virtual(rt, chip->card,
|
|
"Master Playback Switch", analog_mute_elements);
|
|
if (ret < 0) {
|
|
snd_printk(KERN_ERR "Cannot add control.");
|
|
kfree(rt);
|
|
return ret;
|
|
}
|
|
ret = usb6fire_control_add_elements(rt, chip->card, analog_elements);
|
|
if (ret < 0) {
|
|
snd_printk(KERN_ERR "Cannot add control.");
|
|
kfree(rt);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
if (PCM_MODE_USES_SPDIF(chip->pcm_mode)) {
|
|
ret = usb6fire_control_add_elements(rt, chip->card, spdif_elements);
|
|
if (ret < 0) {
|
|
snd_printk(KERN_ERR "Cannot add control.");
|
|
kfree(rt);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
ret = usb6fire_control_add_elements(rt, chip->card, common_elements);
|
|
if (ret < 0) {
|
|
snd_printk(KERN_ERR "Cannot add control.");
|
|
kfree(rt);
|
|
return ret;
|
|
}
|
|
|
|
chip->control = rt;
|
|
return 0;
|
|
}
|
|
|
|
void usb6fire_control_abort(struct sfire_chip *chip)
|
|
{}
|
|
|
|
void usb6fire_control_destroy(struct sfire_chip *chip)
|
|
{
|
|
kfree(chip->control);
|
|
chip->control = NULL;
|
|
}
|
|
|