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-rw-r--r--sound/pcmcia/vx/vxp_mixer.c148
1 files changed, 148 insertions, 0 deletions
diff --git a/sound/pcmcia/vx/vxp_mixer.c b/sound/pcmcia/vx/vxp_mixer.c
new file mode 100644
index 000000000000..aeaef3d81801
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+++ b/sound/pcmcia/vx/vxp_mixer.c
@@ -0,0 +1,148 @@
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>
26#include "vxpocket.h"
27
28#define MIC_LEVEL_MIN 0
29#define MIC_LEVEL_MAX 8
30
31/*
32 * mic level control (for VXPocket)
33 */
34static int vx_mic_level_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
35{
36 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
37 uinfo->count = 1;
38 uinfo->value.integer.min = 0;
39 uinfo->value.integer.max = MIC_LEVEL_MAX;
40 return 0;
41}
42
43static int vx_mic_level_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
44{
45 vx_core_t *_chip = snd_kcontrol_chip(kcontrol);
46 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
47 ucontrol->value.integer.value[0] = chip->mic_level;
48 return 0;
49}
50
51static int vx_mic_level_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
52{
53 vx_core_t *_chip = snd_kcontrol_chip(kcontrol);
54 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
55 down(&_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 up(&_chip->mixer_mutex);
60 return 1;
61 }
62 up(&_chip->mixer_mutex);
63 return 0;
64}
65
66static snd_kcontrol_new_t 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,
72};
73
74/*
75 * mic boost level control (for VXP440)
76 */
77static int vx_mic_boost_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
78{
79 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
80 uinfo->count = 1;
81 uinfo->value.integer.min = 0;
82 uinfo->value.integer.max = 1;
83 return 0;
84}
85
86static int vx_mic_boost_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
87{
88 vx_core_t *_chip = snd_kcontrol_chip(kcontrol);
89 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
90 ucontrol->value.integer.value[0] = chip->mic_level;
91 return 0;
92}
93
94static int vx_mic_boost_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
95{
96 vx_core_t *_chip = snd_kcontrol_chip(kcontrol);
97 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
98 down(&_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 up(&_chip->mixer_mutex);
103 return 1;
104 }
105 up(&_chip->mixer_mutex);
106 return 0;
107}
108
109static snd_kcontrol_new_t vx_control_mic_boost = {
110 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
111 .name = "Mic Boost",
112 .info = vx_mic_boost_info,
113 .get = vx_mic_boost_get,
114 .put = vx_mic_boost_put,
115};
116
117
118int vxp_add_mic_controls(vx_core_t *_chip)
119{
120 struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
121 int err;
122
123 /* mute input levels */
124 chip->mic_level = 0;
125 switch (_chip->type) {
126 case VX_TYPE_VXPOCKET:
127 vx_set_mic_level(_chip, 0);
128 break;
129 case VX_TYPE_VXP440:
130 vx_set_mic_boost(_chip, 0);
131 break;
132 }
133
134 /* mic level */
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)
138 return err;
139 break;
140 case VX_TYPE_VXP440:
141 if ((err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_boost, chip))) < 0)
142 return err;
143 break;
144 }
145
146 return 0;
147}
148
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