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-rw-r--r--include/linux/hiddev.h46
1 files changed, 25 insertions, 21 deletions
diff --git a/include/linux/hiddev.h b/include/linux/hiddev.h
index a416b904ba90..c760ae0eb6a1 100644
--- a/include/linux/hiddev.h
+++ b/include/linux/hiddev.h
@@ -182,26 +182,28 @@ struct hiddev_usage_ref_multi {
182/* To traverse the input report descriptor info for a HID device, perform the 182/* To traverse the input report descriptor info for a HID device, perform the
183 * following: 183 * following:
184 * 184 *
185 * rinfo.report_type = HID_REPORT_TYPE_INPUT; 185 * rinfo.report_type = HID_REPORT_TYPE_INPUT;
186 * rinfo.report_id = HID_REPORT_ID_FIRST; 186 * rinfo.report_id = HID_REPORT_ID_FIRST;
187 * ret = ioctl(fd, HIDIOCGREPORTINFO, &rinfo); 187 * ret = ioctl(fd, HIDIOCGREPORTINFO, &rinfo);
188 * 188 *
189 * while (ret >= 0) { 189 * while (ret >= 0) {
190 * for (i = 0; i < rinfo.num_fields; i++) { 190 * for (i = 0; i < rinfo.num_fields; i++) {
191 * finfo.report_type = rinfo.report_type; 191 * finfo.report_type = rinfo.report_type;
192 * finfo.report_id = rinfo.report_id; 192 * finfo.report_id = rinfo.report_id;
193 * finfo.field_index = i; 193 * finfo.field_index = i;
194 * ioctl(fd, HIDIOCGFIELDINFO, &finfo); 194 * ioctl(fd, HIDIOCGFIELDINFO, &finfo);
195 * for (j = 0; j < finfo.maxusage; j++) { 195 * for (j = 0; j < finfo.maxusage; j++) {
196 * uref.field_index = i; 196 * uref.report_type = rinfo.report_type;
197 * uref.usage_index = j; 197 * uref.report_id = rinfo.report_id;
198 * ioctl(fd, HIDIOCGUCODE, &uref); 198 * uref.field_index = i;
199 * ioctl(fd, HIDIOCGUSAGE, &uref); 199 * uref.usage_index = j;
200 * } 200 * ioctl(fd, HIDIOCGUCODE, &uref);
201 * } 201 * ioctl(fd, HIDIOCGUSAGE, &uref);
202 * rinfo.report_id |= HID_REPORT_ID_NEXT; 202 * }
203 * ret = ioctl(fd, HIDIOCGREPORTINFO, &rinfo); 203 * }
204 * } 204 * rinfo.report_id |= HID_REPORT_ID_NEXT;
205 * ret = ioctl(fd, HIDIOCGREPORTINFO, &rinfo);
206 * }
205 */ 207 */
206 208
207 209
@@ -217,7 +219,7 @@ struct hid_field;
217struct hid_report; 219struct hid_report;
218 220
219#ifdef CONFIG_USB_HIDDEV 221#ifdef CONFIG_USB_HIDDEV
220int hiddev_connect(struct hid_device *); 222int hiddev_connect(struct hid_device *hid, unsigned int force);
221void hiddev_disconnect(struct hid_device *); 223void hiddev_disconnect(struct hid_device *);
222void hiddev_hid_event(struct hid_device *hid, struct hid_field *field, 224void hiddev_hid_event(struct hid_device *hid, struct hid_field *field,
223 struct hid_usage *usage, __s32 value); 225 struct hid_usage *usage, __s32 value);
@@ -225,7 +227,9 @@ void hiddev_report_event(struct hid_device *hid, struct hid_report *report);
225int __init hiddev_init(void); 227int __init hiddev_init(void);
226void hiddev_exit(void); 228void hiddev_exit(void);
227#else 229#else
228static inline int hiddev_connect(struct hid_device *hid) { return -1; } 230static inline int hiddev_connect(struct hid_device *hid,
231 unsigned int force)
232{ return -1; }
229static inline void hiddev_disconnect(struct hid_device *hid) { } 233static inline void hiddev_disconnect(struct hid_device *hid) { }
230static inline void hiddev_hid_event(struct hid_device *hid, struct hid_field *field, 234static inline void hiddev_hid_event(struct hid_device *hid, struct hid_field *field,
231 struct hid_usage *usage, __s32 value) { } 235 struct hid_usage *usage, __s32 value) { }