]> git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blame - sound/pcmcia/vx/vxp_mixer.c
[ALSA] Add even more 'const' to everything related to TLV
[mirror_ubuntu-artful-kernel.git] / sound / pcmcia / vx / vxp_mixer.c
CommitLineData
1da177e4
LT
1/*
2 * Driver for Digigram VXpocket soundcards
3 *
4 * VX-pocket mixer
5 *
6 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
7 *
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.
12 *
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.
17 *
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
21 */
22
23#include <sound/driver.h>
24#include <sound/core.h>
25#include <sound/control.h>
d0ae4847 26#include <sound/tlv.h>
1da177e4
LT
27#include "vxpocket.h"
28
29#define MIC_LEVEL_MIN 0
30#define MIC_LEVEL_MAX 8
31
32/*
33 * mic level control (for VXPocket)
34 */
af26367f 35static int vx_mic_level_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT
36{
37 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
38 uinfo->count = 1;
39 uinfo->value.integer.min = 0;
40 uinfo->value.integer.max = MIC_LEVEL_MAX;
41 return 0;
42}
43
af26367f 44static int vx_mic_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 45{
af26367f 46 struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
1da177e4
LT
47 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
48 ucontrol->value.integer.value[0] = chip->mic_level;
49 return 0;
50}
51
af26367f 52static int vx_mic_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 53{
af26367f 54 struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
1da177e4 55 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
12aa7579 56 mutex_lock(&_chip->mixer_mutex);
1da177e4
LT
57 if (chip->mic_level != ucontrol->value.integer.value[0]) {
58 vx_set_mic_level(_chip, ucontrol->value.integer.value[0]);
59 chip->mic_level = ucontrol->value.integer.value[0];
12aa7579 60 mutex_unlock(&_chip->mixer_mutex);
1da177e4
LT
61 return 1;
62 }
12aa7579 63 mutex_unlock(&_chip->mixer_mutex);
1da177e4
LT
64 return 0;
65}
66
0cb29ea0 67static const DECLARE_TLV_DB_SCALE(db_scale_mic, -21, 3, 0);
d0ae4847 68
af26367f 69static struct snd_kcontrol_new vx_control_mic_level = {
1da177e4 70 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
d0ae4847
TI
71 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
72 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
1da177e4
LT
73 .name = "Mic Capture Volume",
74 .info = vx_mic_level_info,
75 .get = vx_mic_level_get,
76 .put = vx_mic_level_put,
d0ae4847 77 .tlv = { .p = db_scale_mic },
1da177e4
LT
78};
79
80/*
81 * mic boost level control (for VXP440)
82 */
af26367f 83static int vx_mic_boost_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT
84{
85 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
86 uinfo->count = 1;
87 uinfo->value.integer.min = 0;
88 uinfo->value.integer.max = 1;
89 return 0;
90}
91
af26367f 92static int vx_mic_boost_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 93{
af26367f 94 struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
1da177e4
LT
95 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
96 ucontrol->value.integer.value[0] = chip->mic_level;
97 return 0;
98}
99
af26367f 100static int vx_mic_boost_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 101{
af26367f 102 struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
1da177e4 103 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
12aa7579 104 mutex_lock(&_chip->mixer_mutex);
1da177e4
LT
105 if (chip->mic_level != ucontrol->value.integer.value[0]) {
106 vx_set_mic_boost(_chip, ucontrol->value.integer.value[0]);
107 chip->mic_level = ucontrol->value.integer.value[0];
12aa7579 108 mutex_unlock(&_chip->mixer_mutex);
1da177e4
LT
109 return 1;
110 }
12aa7579 111 mutex_unlock(&_chip->mixer_mutex);
1da177e4
LT
112 return 0;
113}
114
af26367f 115static struct snd_kcontrol_new vx_control_mic_boost = {
1da177e4
LT
116 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
117 .name = "Mic Boost",
118 .info = vx_mic_boost_info,
119 .get = vx_mic_boost_get,
120 .put = vx_mic_boost_put,
121};
122
123
af26367f 124int vxp_add_mic_controls(struct vx_core *_chip)
1da177e4
LT
125{
126 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
127 int err;
128
129 /* mute input levels */
130 chip->mic_level = 0;
131 switch (_chip->type) {
132 case VX_TYPE_VXPOCKET:
133 vx_set_mic_level(_chip, 0);
134 break;
135 case VX_TYPE_VXP440:
136 vx_set_mic_boost(_chip, 0);
137 break;
138 }
139
140 /* mic level */
141 switch (_chip->type) {
142 case VX_TYPE_VXPOCKET:
143 if ((err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_level, chip))) < 0)
144 return err;
145 break;
146 case VX_TYPE_VXP440:
147 if ((err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_boost, chip))) < 0)
148 return err;
149 break;
150 }
151
152 return 0;
153}
154