hid-cougar.c (6b003a8ddd6f413a7e17470515accdd4cd80e871) hid-cougar.c (75f1f19bdd60575164b5d1fb04602bf4450e2b62)
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * HID driver for Cougar 500k Gaming Keyboard
4 *
5 * Copyright (c) 2018 Daniel M. Lambea <dmlambea@gmail.com>
6 */
7
8#include <linux/hid.h>

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256
257/*
258 * Convert events from vendor intf to input key events
259 */
260static int cougar_raw_event(struct hid_device *hdev, struct hid_report *report,
261 u8 *data, int size)
262{
263 struct cougar *cougar;
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * HID driver for Cougar 500k Gaming Keyboard
4 *
5 * Copyright (c) 2018 Daniel M. Lambea <dmlambea@gmail.com>
6 */
7
8#include <linux/hid.h>

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256
257/*
258 * Convert events from vendor intf to input key events
259 */
260static int cougar_raw_event(struct hid_device *hdev, struct hid_report *report,
261 u8 *data, int size)
262{
263 struct cougar *cougar;
264 struct cougar_shared *shared;
264 unsigned char code, action;
265 int i;
266
267 cougar = hid_get_drvdata(hdev);
265 unsigned char code, action;
266 int i;
267
268 cougar = hid_get_drvdata(hdev);
268 if (!cougar->special_intf || !cougar->shared ||
269 !cougar->shared->input || !cougar->shared->enabled)
269 shared = cougar->shared;
270 if (!cougar->special_intf || !shared)
270 return 0;
271
271 return 0;
272
273 if (!shared->enabled || !shared->input)
274 return -EPERM;
275
272 code = data[COUGAR_FIELD_CODE];
273 action = data[COUGAR_FIELD_ACTION];
274 for (i = 0; cougar_mapping[i][0]; i++) {
275 if (code == cougar_mapping[i][0]) {
276 code = data[COUGAR_FIELD_CODE];
277 action = data[COUGAR_FIELD_ACTION];
278 for (i = 0; cougar_mapping[i][0]; i++) {
279 if (code == cougar_mapping[i][0]) {
276 input_event(cougar->shared->input, EV_KEY,
280 input_event(shared->input, EV_KEY,
277 cougar_mapping[i][1], action);
281 cougar_mapping[i][1], action);
278 input_sync(cougar->shared->input);
279 return 0;
282 input_sync(shared->input);
283 return -EPERM;
280 }
281 }
284 }
285 }
282 hid_warn(hdev, "unmapped special key code %x: ignoring\n", code);
283 return 0;
286 /* Avoid warnings on the same unmapped key twice */
287 if (action != 0)
288 hid_warn(hdev, "unmapped special key code %0x: ignoring\n", code);
289 return -EPERM;
284}
285
286static void cougar_remove(struct hid_device *hdev)
287{
288 struct cougar *cougar = hid_get_drvdata(hdev);
289
290 if (cougar) {
291 /* Stop the vendor intf to process more events */

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291
292static void cougar_remove(struct hid_device *hdev)
293{
294 struct cougar *cougar = hid_get_drvdata(hdev);
295
296 if (cougar) {
297 /* Stop the vendor intf to process more events */

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