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>
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 mutex_lock(&_chip->mixer_mutex);
56 if (chip->mic_level != ucontrol->value.integer.value[0]) {
57 vx_set_mic_level(_chip, ucontrol->value.integer.value[0]);
58 chip->mic_level = ucontrol->value.integer.value[0];
59 mutex_unlock(&_chip->mixer_mutex);
62 mutex_unlock(&_chip->mixer_mutex);
66 static struct snd_kcontrol_new vx_control_mic_level = {
67 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
68 .name = "Mic Capture Volume",
69 .info = vx_mic_level_info,
70 .get = vx_mic_level_get,
71 .put = vx_mic_level_put,
75 * mic boost level control (for VXP440)
77 static int vx_mic_boost_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
79 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
81 uinfo->value.integer.min = 0;
82 uinfo->value.integer.max = 1;
86 static int vx_mic_boost_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
88 struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
89 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
90 ucontrol->value.integer.value[0] = chip->mic_level;
94 static int vx_mic_boost_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
96 struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
97 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
98 mutex_lock(&_chip->mixer_mutex);
99 if (chip->mic_level != ucontrol->value.integer.value[0]) {
100 vx_set_mic_boost(_chip, ucontrol->value.integer.value[0]);
101 chip->mic_level = ucontrol->value.integer.value[0];
102 mutex_unlock(&_chip->mixer_mutex);
105 mutex_unlock(&_chip->mixer_mutex);
109 static struct snd_kcontrol_new vx_control_mic_boost = {
110 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
112 .info = vx_mic_boost_info,
113 .get = vx_mic_boost_get,
114 .put = vx_mic_boost_put,
118 int vxp_add_mic_controls(struct vx_core *_chip)
120 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
123 /* mute input levels */
125 switch (_chip->type) {
126 case VX_TYPE_VXPOCKET:
127 vx_set_mic_level(_chip, 0);
130 vx_set_mic_boost(_chip, 0);
135 switch (_chip->type) {
136 case VX_TYPE_VXPOCKET:
137 if ((err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_level, chip))) < 0)
141 if ((err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_boost, chip))) < 0)