1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 5 * use this file except in compliance with the License. You may obtain a copy of 6 * 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, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations under 14 * the License. 15 */ 16 #include <stdint.h> 17 #include <gtest/gtest.h> 18 19 #include <tinyalsa/asoundlib.h> 20 #include <Log.h> 21 #include <audio/AudioHardware.h> 22 23 class MixerTest : public testing::Test { 24 public: 25 26 virtual void SetUp() { 27 28 } 29 30 virtual void TearDown() { 31 32 } 33 }; 34 35 36 TEST_F(MixerTest, tryTinyAlsaTest) { 37 int hwId = AudioHardware::detectAudioHw(); 38 ASSERT_TRUE(hwId >= 0); 39 struct mixer* mixerp = mixer_open(hwId); 40 ASSERT_TRUE(mixerp != NULL); 41 int num_ctls = mixer_get_num_ctls(mixerp); 42 LOGI("Number of mixel control %d", num_ctls); 43 for (int i = 0; i < num_ctls; i++) { 44 struct mixer_ctl* control = mixer_get_ctl(mixerp, i); 45 ASSERT_TRUE(control != NULL); 46 LOGI("Mixer control %s type %s value %d", mixer_ctl_get_name(control), 47 mixer_ctl_get_type_string(control), mixer_ctl_get_num_values(control)); 48 free(control); 49 } 50 // no mixer control for MobilePre. If this assumption fails, 51 // mixer control should be added. 52 ASSERT_TRUE(num_ctls == 0); 53 mixer_close(mixerp); 54 } 55 56
