1 /*
2  * Copyright (C) 2014 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef AUDIO_EXTN_H
18 #define AUDIO_EXTN_H
19 
20 #include <cutils/str_parms.h>
21 
22 void *audio_extn_extspk_init(struct audio_device *adev);
23 void audio_extn_extspk_deinit(void *extn);
24 void audio_extn_extspk_update(void* extn);
25 void audio_extn_extspk_set_mode(void* extn, audio_mode_t mode);
26 void audio_extn_extspk_set_voice_vol(void* extn, float vol);
27 
28 #ifndef HFP_ENABLED
29 #define audio_extn_hfp_is_active(adev)                  (0)
30 #define audio_extn_hfp_get_usecase()                    (-1)
31 #define audio_extn_hfp_set_parameters(adev, params)     (0)
32 #else
33 bool audio_extn_hfp_is_active(struct audio_device *adev);
34 
35 audio_usecase_t audio_extn_hfp_get_usecase();
36 
37 void audio_extn_hfp_set_parameters(struct audio_device *adev,
38                                     struct str_parms *parms);
39 #endif
40 
41 #endif /* AUDIO_EXTN_H */
42