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 *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);
86 pthread_mutex_lock(&(ah->mixer.mutex));
88 ret = snd_ctl_open(&handle, ALSA_DEFAULT_CARD, 0);
90 AUDIO_LOG_ERROR("snd_ctl_open error, %s\n", snd_strerror(ret));
91 pthread_mutex_unlock(&(ah->mixer.mutex));
92 return AUDIO_ERR_IOCTL;
97 snd_ctl_elem_id_alloca(&id);
98 snd_ctl_elem_info_alloca(&info);
99 snd_ctl_elem_value_alloca(&control);
101 snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
102 snd_ctl_elem_id_set_name(id, ctl_name);
104 snd_ctl_elem_info_set_id(info, id);
105 if (snd_ctl_elem_info(handle, info) < 0) {
106 AUDIO_LOG_ERROR("Cannot find control element: %s\n", ctl_name);
109 snd_ctl_elem_info_get_id(info, id);
111 type = snd_ctl_elem_info_get_type(info);
112 count = snd_ctl_elem_info_get_count(info);
114 snd_ctl_elem_value_set_id(control, id);
116 if (snd_ctl_elem_read(handle, control) < 0) {
117 AUDIO_LOG_ERROR("snd_ctl_elem_read failed \n");
122 case SND_CTL_ELEM_TYPE_BOOLEAN:
123 *val = snd_ctl_elem_value_get_boolean(control, i);
125 case SND_CTL_ELEM_TYPE_INTEGER:
126 for (i = 0; i < count; i++)
127 *val = snd_ctl_elem_value_get_integer(control, i);
129 case SND_CTL_ELEM_TYPE_ENUMERATED:
130 for (i = 0; i < count; i++)
131 *val = snd_ctl_elem_value_get_enumerated(control, i);
134 AUDIO_LOG_WARN("unsupported control element type\n");
138 snd_ctl_close(handle);
141 AUDIO_LOG_INFO("get mixer(%s) = %d success", ctl_name, *val);
144 pthread_mutex_unlock(&(ah->mixer.mutex));
148 AUDIO_LOG_ERROR("Error\n");
149 snd_ctl_close(handle);
150 pthread_mutex_unlock(&(ah->mixer.mutex));
151 return AUDIO_ERR_UNDEFINED;
154 audio_return_t _mixer_control_set_value(audio_hal_t *ah, const char *ctl_name, int val)
157 snd_ctl_elem_value_t *control;
158 snd_ctl_elem_id_t *id;
159 snd_ctl_elem_info_t *info;
160 snd_ctl_elem_type_t type;
161 int ret = 0, count = 0, i = 0;
163 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
164 AUDIO_RETURN_VAL_IF_FAIL(ctl_name, AUDIO_ERR_PARAMETER);
166 pthread_mutex_lock(&(ah->mixer.mutex));
168 ret = snd_ctl_open(&handle, ALSA_DEFAULT_CARD, 0);
170 AUDIO_LOG_ERROR("snd_ctl_open error, card: %s: %s", ALSA_DEFAULT_CARD, snd_strerror(ret));
171 pthread_mutex_unlock(&(ah->mixer.mutex));
172 return AUDIO_ERR_IOCTL;
177 snd_ctl_elem_id_alloca(&id);
178 snd_ctl_elem_info_alloca(&info);
179 snd_ctl_elem_value_alloca(&control);
181 snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
182 snd_ctl_elem_id_set_name(id, ctl_name);
184 snd_ctl_elem_info_set_id(info, id);
185 if (snd_ctl_elem_info(handle, info) < 0) {
186 AUDIO_LOG_ERROR("Cannot find control element: %s", ctl_name);
189 snd_ctl_elem_info_get_id(info, id);
191 type = snd_ctl_elem_info_get_type(info);
192 count = snd_ctl_elem_info_get_count(info);
194 snd_ctl_elem_value_set_id(control, id);
196 snd_ctl_elem_read(handle, control);
199 case SND_CTL_ELEM_TYPE_BOOLEAN:
200 for (i = 0; i < count; i++)
201 snd_ctl_elem_value_set_boolean(control, i, val);
203 case SND_CTL_ELEM_TYPE_INTEGER:
204 for (i = 0; i < count; i++)
205 snd_ctl_elem_value_set_integer(control, i, val);
207 case SND_CTL_ELEM_TYPE_ENUMERATED:
208 for (i = 0; i < count; i++)
209 snd_ctl_elem_value_set_enumerated(control, i, val);
213 AUDIO_LOG_WARN("unsupported control element type");
217 snd_ctl_elem_write(handle, control);
219 snd_ctl_close(handle);
221 AUDIO_LOG_INFO("set mixer(%s) = %d success", ctl_name, val);
223 pthread_mutex_unlock(&(ah->mixer.mutex));
227 AUDIO_LOG_ERROR("Error");
228 snd_ctl_close(handle);
229 pthread_mutex_unlock(&(ah->mixer.mutex));
230 return AUDIO_ERR_UNDEFINED;
233 audio_return_t _mixer_control_set_value_string(audio_hal_t *ah, const char* ctl_name, const char* value)
235 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
236 AUDIO_RETURN_VAL_IF_FAIL(ctl_name, AUDIO_ERR_PARAMETER);
243 audio_return_t _mixer_control_get_element(audio_hal_t *ah, const char *ctl_name, snd_hctl_elem_t **elem)
245 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
246 AUDIO_RETURN_VAL_IF_FAIL(ctl_name, AUDIO_ERR_PARAMETER);
247 AUDIO_RETURN_VAL_IF_FAIL(elem, AUDIO_ERR_PARAMETER);