Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 | /*
* Driver for Digigram VXpocket soundcards
*
* VX-pocket mixer
*
* Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <sound/core.h>
#include <sound/control.h>
#include <sound/tlv.h>
#include "vxpocket.h"
#define MIC_LEVEL_MIN 0
#define MIC_LEVEL_MAX 8
/*
* mic level control (for VXPocket)
*/
static int vx_mic_level_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = MIC_LEVEL_MAX;
return 0;
}
static int vx_mic_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
ucontrol->value.integer.value[0] = chip->mic_level;
return 0;
}
static int vx_mic_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
unsigned int val = ucontrol->value.integer.value[0];
if (val > MIC_LEVEL_MAX)
return -EINVAL;
mutex_lock(&_chip->mixer_mutex);
if (chip->mic_level != ucontrol->value.integer.value[0]) {
vx_set_mic_level(_chip, ucontrol->value.integer.value[0]);
chip->mic_level = ucontrol->value.integer.value[0];
mutex_unlock(&_chip->mixer_mutex);
return 1;
}
mutex_unlock(&_chip->mixer_mutex);
return 0;
}
static const DECLARE_TLV_DB_SCALE(db_scale_mic, -21, 3, 0);
static struct snd_kcontrol_new vx_control_mic_level = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ),
.name = "Mic Capture Volume",
.info = vx_mic_level_info,
.get = vx_mic_level_get,
.put = vx_mic_level_put,
.tlv = { .p = db_scale_mic },
};
/*
* mic boost level control (for VXP440)
*/
#define vx_mic_boost_info snd_ctl_boolean_mono_info
static int vx_mic_boost_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
ucontrol->value.integer.value[0] = chip->mic_level;
return 0;
}
static int vx_mic_boost_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
int val = !!ucontrol->value.integer.value[0];
mutex_lock(&_chip->mixer_mutex);
if (chip->mic_level != val) {
vx_set_mic_boost(_chip, val);
chip->mic_level = val;
mutex_unlock(&_chip->mixer_mutex);
return 1;
}
mutex_unlock(&_chip->mixer_mutex);
return 0;
}
static struct snd_kcontrol_new vx_control_mic_boost = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Mic Boost",
.info = vx_mic_boost_info,
.get = vx_mic_boost_get,
.put = vx_mic_boost_put,
};
int vxp_add_mic_controls(struct vx_core *_chip)
{
struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
int err;
/* mute input levels */
chip->mic_level = 0;
switch (_chip->type) {
case VX_TYPE_VXPOCKET:
vx_set_mic_level(_chip, 0);
break;
case VX_TYPE_VXP440:
vx_set_mic_boost(_chip, 0);
break;
}
/* mic level */
switch (_chip->type) {
case VX_TYPE_VXPOCKET:
if ((err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_level, chip))) < 0)
return err;
break;
case VX_TYPE_VXP440:
if ((err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_boost, chip))) < 0)
return err;
break;
}
return 0;
}
|