4 * Copyright (c) 2016 Samsung Electronics Co., Ltd. All rights reserved.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
29 #include "tizen-audio-internal.h"
31 #ifdef __MIXER_PARAM_DUMP
32 static void __dump_mixer_param(char *dump, long *param, int size)
36 for (i = 0; i < size; i++) {
37 len = sprintf(dump, "%ld", *param);
50 audio_return_t _control_init(audio_hal_t *ah)
52 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
54 pthread_mutex_init(&(ah->mixer.mutex), NULL);
58 audio_return_t _control_deinit(audio_hal_t *ah)
60 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
62 pthread_mutex_destroy(&(ah->mixer.mutex));
66 audio_return_t _mixer_control_set_param(audio_hal_t *ah, const char* ctl_name, snd_ctl_elem_value_t* param, int size)
68 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
74 audio_return_t _mixer_control_get_value(audio_hal_t *ah, const char *card, const char *ctl_name, int *val)
77 snd_ctl_elem_value_t *control;
78 snd_ctl_elem_id_t *id;
79 snd_ctl_elem_info_t *info;
80 snd_ctl_elem_type_t type;
82 int ret = 0, count = 0, i = 0;
84 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
85 AUDIO_RETURN_VAL_IF_FAIL(card, AUDIO_ERR_PARAMETER);
86 AUDIO_RETURN_VAL_IF_FAIL(ctl_name, AUDIO_ERR_PARAMETER);
87 AUDIO_RETURN_VAL_IF_FAIL(val, AUDIO_ERR_PARAMETER);
89 pthread_mutex_lock(&(ah->mixer.mutex));
91 ret = snd_ctl_open(&handle, card, 0);
93 AUDIO_LOG_ERROR("snd_ctl_open error, %s\n", snd_strerror(ret));
94 pthread_mutex_unlock(&(ah->mixer.mutex));
95 return AUDIO_ERR_IOCTL;
100 snd_ctl_elem_id_alloca(&id);
101 snd_ctl_elem_info_alloca(&info);
102 snd_ctl_elem_value_alloca(&control);
104 snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
105 snd_ctl_elem_id_set_name(id, ctl_name);
107 snd_ctl_elem_info_set_id(info, id);
108 if (snd_ctl_elem_info(handle, info) < 0) {
109 AUDIO_LOG_ERROR("Cannot find control element: %s\n", ctl_name);
112 snd_ctl_elem_info_get_id(info, id);
114 type = snd_ctl_elem_info_get_type(info);
115 count = snd_ctl_elem_info_get_count(info);
117 snd_ctl_elem_value_set_id(control, id);
119 if (snd_ctl_elem_read(handle, control) < 0) {
120 AUDIO_LOG_ERROR("snd_ctl_elem_read failed \n");
125 case SND_CTL_ELEM_TYPE_BOOLEAN:
126 *val = snd_ctl_elem_value_get_boolean(control, i);
128 case SND_CTL_ELEM_TYPE_INTEGER:
129 for (i = 0; i < count; i++)
130 *val = snd_ctl_elem_value_get_integer(control, i);
132 case SND_CTL_ELEM_TYPE_ENUMERATED:
133 for (i = 0; i < count; i++)
134 *val = snd_ctl_elem_value_get_enumerated(control, i);
137 AUDIO_LOG_WARN("unsupported control element type\n");
141 snd_ctl_close(handle);
144 AUDIO_LOG_INFO("get mixer(%s) = %d success", ctl_name, *val);
147 pthread_mutex_unlock(&(ah->mixer.mutex));
151 AUDIO_LOG_ERROR("Error\n");
152 snd_ctl_close(handle);
153 pthread_mutex_unlock(&(ah->mixer.mutex));
154 return AUDIO_ERR_UNDEFINED;
157 audio_return_t _mixer_control_set_value(audio_hal_t *ah, const char *card, const char *ctl_name, int val)
160 snd_ctl_elem_value_t *control;
161 snd_ctl_elem_id_t *id;
162 snd_ctl_elem_info_t *info;
163 snd_ctl_elem_type_t type;
164 int ret = 0, count = 0, i = 0;
166 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
167 AUDIO_RETURN_VAL_IF_FAIL(card, AUDIO_ERR_PARAMETER);
168 AUDIO_RETURN_VAL_IF_FAIL(ctl_name, AUDIO_ERR_PARAMETER);
170 pthread_mutex_lock(&(ah->mixer.mutex));
172 ret = snd_ctl_open(&handle, card, 0);
174 AUDIO_LOG_ERROR("snd_ctl_open error, card: %s: %s", card, snd_strerror(ret));
175 pthread_mutex_unlock(&(ah->mixer.mutex));
176 return AUDIO_ERR_IOCTL;
181 snd_ctl_elem_id_alloca(&id);
182 snd_ctl_elem_info_alloca(&info);
183 snd_ctl_elem_value_alloca(&control);
185 snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
186 snd_ctl_elem_id_set_name(id, ctl_name);
188 snd_ctl_elem_info_set_id(info, id);
189 if (snd_ctl_elem_info(handle, info) < 0) {
190 AUDIO_LOG_ERROR("Cannot find control element: %s", ctl_name);
193 snd_ctl_elem_info_get_id(info, id);
195 type = snd_ctl_elem_info_get_type(info);
196 count = snd_ctl_elem_info_get_count(info);
198 snd_ctl_elem_value_set_id(control, id);
200 snd_ctl_elem_read(handle, control);
203 case SND_CTL_ELEM_TYPE_BOOLEAN:
204 for (i = 0; i < count; i++)
205 snd_ctl_elem_value_set_boolean(control, i, val);
207 case SND_CTL_ELEM_TYPE_INTEGER:
208 for (i = 0; i < count; i++)
209 snd_ctl_elem_value_set_integer(control, i, val);
211 case SND_CTL_ELEM_TYPE_ENUMERATED:
212 for (i = 0; i < count; i++)
213 snd_ctl_elem_value_set_enumerated(control, i, val);
217 AUDIO_LOG_WARN("unsupported control element type");
221 snd_ctl_elem_write(handle, control);
223 snd_ctl_close(handle);
225 AUDIO_LOG_INFO("set mixer(%s) = %d success", ctl_name, val);
227 pthread_mutex_unlock(&(ah->mixer.mutex));
231 AUDIO_LOG_ERROR("Error");
232 snd_ctl_close(handle);
233 pthread_mutex_unlock(&(ah->mixer.mutex));
234 return AUDIO_ERR_UNDEFINED;
237 audio_return_t _mixer_control_set_value_string(audio_hal_t *ah, const char* ctl_name, const char* value)
239 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
240 AUDIO_RETURN_VAL_IF_FAIL(ctl_name, AUDIO_ERR_PARAMETER);
247 audio_return_t _mixer_control_get_element(audio_hal_t *ah, const char *ctl_name, snd_hctl_elem_t **elem)
249 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
250 AUDIO_RETURN_VAL_IF_FAIL(ctl_name, AUDIO_ERR_PARAMETER);
251 AUDIO_RETURN_VAL_IF_FAIL(elem, AUDIO_ERR_PARAMETER);