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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "device/hid/hid_service_linux.h" | 5 #include "device/hid/hid_service_linux.h" |
| 6 | 6 |
| 7 #include <linux/hidraw.h> | 7 #include <linux/hidraw.h> |
| 8 #include <sys/ioctl.h> | 8 #include <sys/ioctl.h> |
| 9 #include <stdint.h> | 9 #include <stdint.h> |
| 10 | 10 |
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| 141 res = ioctl(device_file.GetPlatformFile(), HIDIOCGRDESC, &rpt_desc); | 141 res = ioctl(device_file.GetPlatformFile(), HIDIOCGRDESC, &rpt_desc); |
| 142 if (res < 0) { | 142 if (res < 0) { |
| 143 PLOG(ERROR) << "Failed to get report descriptor"; | 143 PLOG(ERROR) << "Failed to get report descriptor"; |
| 144 device_file.Close(); | 144 device_file.Close(); |
| 145 return; | 145 return; |
| 146 } | 146 } |
| 147 | 147 |
| 148 device_file.Close(); | 148 device_file.Close(); |
| 149 | 149 |
| 150 HidReportDescriptor report_descriptor(rpt_desc.value, rpt_desc.size); | 150 HidReportDescriptor report_descriptor(rpt_desc.value, rpt_desc.size); |
| 151 report_descriptor.GetTopLevelCollections(&device_info.usages); | 151 report_descriptor.GetDetails(&device_info.collections, |
| 152 &device_info.max_input_report_size, |
| 153 &device_info.max_output_report_size, |
| 154 &device_info.max_feature_report_size); |
| 152 | 155 |
| 153 AddDevice(device_info); | 156 AddDevice(device_info); |
| 154 } | 157 } |
| 155 | 158 |
| 156 void HidServiceLinux::OnDeviceRemoved(udev_device* device) { | 159 void HidServiceLinux::OnDeviceRemoved(udev_device* device) { |
| 157 const char* device_path = udev_device_get_syspath(device);; | 160 const char* device_path = udev_device_get_syspath(device);; |
| 158 if (device_path) | 161 if (device_path) |
| 159 RemoveDevice(device_path); | 162 RemoveDevice(device_path); |
| 160 } | 163 } |
| 161 | 164 |
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| 193 *result = raw_path; | 196 *result = raw_path; |
| 194 return true; | 197 return true; |
| 195 } | 198 } |
| 196 } | 199 } |
| 197 } | 200 } |
| 198 | 201 |
| 199 return false; | 202 return false; |
| 200 } | 203 } |
| 201 | 204 |
| 202 } // namespace device | 205 } // namespace device |
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