tree: https://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid.git for-4.20/multitouch head: 93c61d2e6bc4849a5527e32568479ff67154870e commit: 93c61d2e6bc4849a5527e32568479ff67154870e [1/1] HID: multitouch: simplify the application retrieval config: x86_64-randconfig-x018-201835 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: git checkout 93c61d2e6bc4849a5527e32568479ff67154870e # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/hid/hid-multitouch.c: In function 'mt_input_mapping': >> drivers/hid/hid-multitouch.c:1327:5: error: 'struct hid_input' has no member named 'application' hi->application = HID_DG_STYLUS; ^~ drivers/hid/hid-multitouch.c: In function 'mt_input_configured': drivers/hid/hid-multitouch.c:1527:12: error: 'struct hid_input' has no member named 'application' switch (hi->application) { ^~ vim +1327 drivers/hid/hid-multitouch.c 1257 1258 #define mt_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \ 1259 max, EV_KEY, (c)) 1260 static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, 1261 struct hid_field *field, struct hid_usage *usage, 1262 unsigned long **bit, int *max) 1263 { 1264 struct mt_device *td = hid_get_drvdata(hdev); 1265 struct mt_application *application; 1266 struct mt_report_data *rdata; 1267 1268 rdata = mt_find_report_data(td, field->report); 1269 if (!rdata) { 1270 hid_err(hdev, "failed to allocate data for report\n"); 1271 return 0; 1272 } 1273 1274 application = rdata->application; 1275 1276 /* 1277 * If mtclass.export_all_inputs is not set, only map fields from 1278 * TouchScreen or TouchPad collections. We need to ignore fields 1279 * that belong to other collections such as Mouse that might have 1280 * the same GenericDesktop usages. 1281 */ 1282 if (!td->mtclass.export_all_inputs && 1283 field->application != HID_DG_TOUCHSCREEN && 1284 field->application != HID_DG_PEN && 1285 field->application != HID_DG_TOUCHPAD && 1286 field->application != HID_GD_KEYBOARD && 1287 field->application != HID_GD_SYSTEM_CONTROL && 1288 field->application != HID_CP_CONSUMER_CONTROL && 1289 field->application != HID_GD_WIRELESS_RADIO_CTLS && 1290 field->application != HID_GD_SYSTEM_MULTIAXIS && 1291 !(field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && 1292 application->quirks & MT_QUIRK_ASUS_CUSTOM_UP)) 1293 return -1; 1294 1295 /* 1296 * Some Asus keyboard+touchpad devices have the hotkeys defined in the 1297 * touchpad report descriptor. We need to treat these as an array to 1298 * map usages to input keys. 1299 */ 1300 if (field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && 1301 application->quirks & MT_QUIRK_ASUS_CUSTOM_UP && 1302 (usage->hid & HID_USAGE_PAGE) == HID_UP_CUSTOM) { 1303 set_bit(EV_REP, hi->input->evbit); 1304 if (field->flags & HID_MAIN_ITEM_VARIABLE) 1305 field->flags &= ~HID_MAIN_ITEM_VARIABLE; 1306 switch (usage->hid & HID_USAGE) { 1307 case 0x10: mt_map_key_clear(KEY_BRIGHTNESSDOWN); break; 1308 case 0x20: mt_map_key_clear(KEY_BRIGHTNESSUP); break; 1309 case 0x35: mt_map_key_clear(KEY_DISPLAY_OFF); break; 1310 case 0x6b: mt_map_key_clear(KEY_F21); break; 1311 case 0x6c: mt_map_key_clear(KEY_SLEEP); break; 1312 default: 1313 return -1; 1314 } 1315 return 1; 1316 } 1317 1318 if (rdata->is_mt_collection) 1319 return mt_touch_input_mapping(hdev, hi, field, usage, bit, max, 1320 application); 1321 1322 /* 1323 * some egalax touchscreens have "application == DG_TOUCHSCREEN" 1324 * for the stylus. Overwrite the hid_input application 1325 */ 1326 if (field->physical == HID_DG_STYLUS) > 1327 hi->application = HID_DG_STYLUS; 1328 1329 /* let hid-core decide for the others */ 1330 return 0; 1331 } 1332 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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