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148 lines
4.0 KiB
148 lines
4.0 KiB
/*
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* Driver for Digigram VXpocket soundcards
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*
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* VX-pocket mixer
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*
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* Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
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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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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <sound/driver.h>
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#include <sound/core.h>
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#include <sound/control.h>
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#include "vxpocket.h"
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#define MIC_LEVEL_MIN 0
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#define MIC_LEVEL_MAX 8
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/*
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* mic level control (for VXPocket)
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*/
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static int vx_mic_level_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 1;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = MIC_LEVEL_MAX;
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return 0;
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}
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static int vx_mic_level_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
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{
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vx_core_t *_chip = snd_kcontrol_chip(kcontrol);
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struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
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ucontrol->value.integer.value[0] = chip->mic_level;
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return 0;
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}
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static int vx_mic_level_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
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{
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vx_core_t *_chip = snd_kcontrol_chip(kcontrol);
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struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
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down(&_chip->mixer_mutex);
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if (chip->mic_level != ucontrol->value.integer.value[0]) {
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vx_set_mic_level(_chip, ucontrol->value.integer.value[0]);
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chip->mic_level = ucontrol->value.integer.value[0];
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up(&_chip->mixer_mutex);
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return 1;
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}
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up(&_chip->mixer_mutex);
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return 0;
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}
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static snd_kcontrol_new_t vx_control_mic_level = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Mic Capture Volume",
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.info = vx_mic_level_info,
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.get = vx_mic_level_get,
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.put = vx_mic_level_put,
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};
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/*
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* mic boost level control (for VXP440)
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*/
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static int vx_mic_boost_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
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uinfo->count = 1;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = 1;
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return 0;
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}
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static int vx_mic_boost_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
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{
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vx_core_t *_chip = snd_kcontrol_chip(kcontrol);
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struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
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ucontrol->value.integer.value[0] = chip->mic_level;
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return 0;
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}
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static int vx_mic_boost_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
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{
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vx_core_t *_chip = snd_kcontrol_chip(kcontrol);
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struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
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down(&_chip->mixer_mutex);
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if (chip->mic_level != ucontrol->value.integer.value[0]) {
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vx_set_mic_boost(_chip, ucontrol->value.integer.value[0]);
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chip->mic_level = ucontrol->value.integer.value[0];
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up(&_chip->mixer_mutex);
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return 1;
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}
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up(&_chip->mixer_mutex);
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return 0;
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}
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static snd_kcontrol_new_t vx_control_mic_boost = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Mic Boost",
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.info = vx_mic_boost_info,
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.get = vx_mic_boost_get,
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.put = vx_mic_boost_put,
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};
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int vxp_add_mic_controls(vx_core_t *_chip)
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{
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struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
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int err;
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/* mute input levels */
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chip->mic_level = 0;
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switch (_chip->type) {
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case VX_TYPE_VXPOCKET:
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vx_set_mic_level(_chip, 0);
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break;
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case VX_TYPE_VXP440:
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vx_set_mic_boost(_chip, 0);
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break;
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}
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/* mic level */
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switch (_chip->type) {
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case VX_TYPE_VXPOCKET:
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if ((err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_level, chip))) < 0)
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return err;
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break;
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case VX_TYPE_VXP440:
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if ((err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_boost, chip))) < 0)
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return err;
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break;
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}
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return 0;
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}
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