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/driver.h>
24 #include <sound/core.h>
25 #include <sound/control.h>
26 #include <sound/tlv.h>
29 #define MIC_LEVEL_MIN 0
30 #define MIC_LEVEL_MAX 8
33 * mic level control (for VXPocket)
35 static int vx_mic_level_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
37 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
39 uinfo->value.integer.min = 0;
40 uinfo->value.integer.max = MIC_LEVEL_MAX;
44 static int vx_mic_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
46 struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
47 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
48 ucontrol->value.integer.value[0] = chip->mic_level;
52 static int vx_mic_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
54 struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
55 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
56 unsigned int val = ucontrol->value.integer.value[0];
58 if (val > MIC_LEVEL_MAX)
60 mutex_lock(&_chip->mixer_mutex);
61 if (chip->mic_level != ucontrol->value.integer.value[0]) {
62 vx_set_mic_level(_chip, ucontrol->value.integer.value[0]);
63 chip->mic_level = ucontrol->value.integer.value[0];
64 mutex_unlock(&_chip->mixer_mutex);
67 mutex_unlock(&_chip->mixer_mutex);
71 static const DECLARE_TLV_DB_SCALE(db_scale_mic, -21, 3, 0);
73 static struct snd_kcontrol_new vx_control_mic_level = {
74 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
75 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
76 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
77 .name = "Mic Capture Volume",
78 .info = vx_mic_level_info,
79 .get = vx_mic_level_get,
80 .put = vx_mic_level_put,
81 .tlv = { .p = db_scale_mic },
85 * mic boost level control (for VXP440)
87 #define vx_mic_boost_info snd_ctl_boolean_mono_info
89 static int vx_mic_boost_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
91 struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
92 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
93 ucontrol->value.integer.value[0] = chip->mic_level;
97 static int vx_mic_boost_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
99 struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
100 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
101 int val = !!ucontrol->value.integer.value[0];
102 mutex_lock(&_chip->mixer_mutex);
103 if (chip->mic_level != val) {
104 vx_set_mic_boost(_chip, val);
105 chip->mic_level = val;
106 mutex_unlock(&_chip->mixer_mutex);
109 mutex_unlock(&_chip->mixer_mutex);
113 static struct snd_kcontrol_new vx_control_mic_boost = {
114 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
116 .info = vx_mic_boost_info,
117 .get = vx_mic_boost_get,
118 .put = vx_mic_boost_put,
122 int vxp_add_mic_controls(struct vx_core *_chip)
124 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
127 /* mute input levels */
129 switch (_chip->type) {
130 case VX_TYPE_VXPOCKET:
131 vx_set_mic_level(_chip, 0);
134 vx_set_mic_boost(_chip, 0);
139 switch (_chip->type) {
140 case VX_TYPE_VXPOCKET:
141 if ((err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_level, chip))) < 0)
145 if ((err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_boost, chip))) < 0)