1 /* 2 * Copyright (C) 2016 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 #define LOG_TAG "VibratorService" 18 19 #include <inttypes.h> 20 21 #include <log/log.h> 22 23 #include <hardware/hardware.h> 24 #include <hardware/vibrator.h> 25 26 #include "Vibrator.h" 27 28 namespace android { 29 namespace hardware { 30 namespace vibrator { 31 namespace V1_0 { 32 namespace implementation { 33 34 Vibrator::Vibrator(vibrator_device_t *device) : mDevice(device) {} 35 36 // Methods from ::android::hardware::vibrator::V1_0::IVibrator follow. 37 Return<Status> Vibrator::on(uint32_t timeout_ms) { 38 int32_t ret = mDevice->vibrator_on(mDevice, timeout_ms); 39 if (ret != 0) { 40 ALOGE("on command failed : %s", strerror(-ret)); 41 return Status::UNKNOWN_ERROR; 42 } 43 return Status::OK; 44 } 45 46 Return<Status> Vibrator::off() { 47 int32_t ret = mDevice->vibrator_off(mDevice); 48 if (ret != 0) { 49 ALOGE("off command failed : %s", strerror(-ret)); 50 return Status::UNKNOWN_ERROR; 51 } 52 return Status::OK; 53 } 54 55 Return<bool> Vibrator::supportsAmplitudeControl() { 56 return false; 57 } 58 59 Return<Status> Vibrator::setAmplitude(uint8_t) { 60 return Status::UNSUPPORTED_OPERATION; 61 } 62 63 Return<void> Vibrator::perform(Effect, EffectStrength, perform_cb _hidl_cb) { 64 _hidl_cb(Status::UNSUPPORTED_OPERATION, 0); 65 return Void(); 66 } 67 68 IVibrator* HIDL_FETCH_IVibrator(const char * /*hal*/) { 69 vibrator_device_t *vib_device; 70 const hw_module_t *hw_module = nullptr; 71 72 int ret = hw_get_module(VIBRATOR_HARDWARE_MODULE_ID, &hw_module); 73 if (ret == 0) { 74 ret = vibrator_open(hw_module, &vib_device); 75 if (ret != 0) { 76 ALOGE("vibrator_open failed: %d", ret); 77 } 78 } else { 79 ALOGE("hw_get_module %s failed: %d", VIBRATOR_HARDWARE_MODULE_ID, ret); 80 } 81 82 if (ret == 0) { 83 return new Vibrator(vib_device); 84 } else { 85 ALOGE("Passthrough failed to open legacy HAL."); 86 return nullptr; 87 } 88 } 89 90 } // namespace implementation 91 } // namespace V1_0 92 } // namespace vibrator 93 } // namespace hardware 94 } // namespace android 95
