2 * Driver for Digigram VXpocket soundcards
6 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include <sound/core.h>
24 #include <sound/control.h>
25 #include <sound/tlv.h>
28 #define MIC_LEVEL_MIN 0
29 #define MIC_LEVEL_MAX 8
32 * mic level control (for VXPocket)
34 static int vx_mic_level_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
36 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
38 uinfo->value.integer.min = 0;
39 uinfo->value.integer.max = MIC_LEVEL_MAX;
43 static int vx_mic_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
45 struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
46 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
47 ucontrol->value.integer.value[0] = chip->mic_level;
51 static int vx_mic_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
53 struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
54 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
55 unsigned int val = ucontrol->value.integer.value[0];
57 if (val > MIC_LEVEL_MAX)
59 mutex_lock(&_chip->mixer_mutex);
60 if (chip->mic_level != ucontrol->value.integer.value[0]) {
61 vx_set_mic_level(_chip, ucontrol->value.integer.value[0]);
62 chip->mic_level = ucontrol->value.integer.value[0];
63 mutex_unlock(&_chip->mixer_mutex);
66 mutex_unlock(&_chip->mixer_mutex);
70 static const DECLARE_TLV_DB_SCALE(db_scale_mic, -21, 3, 0);
72 static struct snd_kcontrol_new vx_control_mic_level = {
73 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
74 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
75 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
76 .name = "Mic Capture Volume",
77 .info = vx_mic_level_info,
78 .get = vx_mic_level_get,
79 .put = vx_mic_level_put,
80 .tlv = { .p = db_scale_mic },
84 * mic boost level control (for VXP440)
86 #define vx_mic_boost_info snd_ctl_boolean_mono_info
88 static int vx_mic_boost_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
90 struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
91 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
92 ucontrol->value.integer.value[0] = chip->mic_level;
96 static int vx_mic_boost_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
98 struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
99 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
100 int val = !!ucontrol->value.integer.value[0];
101 mutex_lock(&_chip->mixer_mutex);
102 if (chip->mic_level != val) {
103 vx_set_mic_boost(_chip, val);
104 chip->mic_level = val;
105 mutex_unlock(&_chip->mixer_mutex);
108 mutex_unlock(&_chip->mixer_mutex);
112 static struct snd_kcontrol_new vx_control_mic_boost = {
113 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
115 .info = vx_mic_boost_info,
116 .get = vx_mic_boost_get,
117 .put = vx_mic_boost_put,
121 int vxp_add_mic_controls(struct vx_core *_chip)
123 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
126 /* mute input levels */
128 switch (_chip->type) {
129 case VX_TYPE_VXPOCKET:
130 vx_set_mic_level(_chip, 0);
133 vx_set_mic_boost(_chip, 0);
138 switch (_chip->type) {
139 case VX_TYPE_VXPOCKET:
140 if ((err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_level, chip))) < 0)
144 if ((err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_boost, chip))) < 0)