Cross Reference: /drivers/input/ff-core.c

Lines Matching refs:ff
38 static int check_effect_access(struct ff_device *ff, int effect_id,
41 	if (effect_id < 0 || effect_id >= ff->max_effects ||
42 	    !ff->effect_owners[effect_id])
45 	if (file && ff->effect_owners[effect_id] != file)
65 static int compat_effect(struct ff_device *ff, struct ff_effect *effect)
71 		if (!test_bit(FF_PERIODIC, ff->ffbit))
109 	struct ff_device *ff = dev->ff;
131 	if (!test_bit(effect->type, ff->ffbit)) {
132 		ret = compat_effect(ff, effect);
137 	mutex_lock(&ff->mutex);
140 		for (id = 0; id < ff->max_effects; id++)
141 		     if (!ff->effect_owners[id])
144 		if (id >= ff->max_effects) {
155 		ret = check_effect_access(ff, id, file);
159 		old = &ff->effects[id];
167 	ret = ff->upload(dev, effect, old);
172 	ff->effects[id] = *effect;
173 	ff->effect_owners[id] = file;
177 	mutex_unlock(&ff->mutex);
189 	struct ff_device *ff = dev->ff;
192 	error = check_effect_access(ff, effect_id, file);
197 	ff->playback(dev, effect_id, 0);
198 	ff->effect_owners[effect_id] = NULL;
201 	if (ff->erase) {
202 		error = ff->erase(dev, effect_id);
205 			ff->effect_owners[effect_id] = file;
227 	struct ff_device *ff = dev->ff;
233 	mutex_lock(&ff->mutex);
235 	mutex_unlock(&ff->mutex);
246 	struct ff_device *ff = dev->ff;
251 	mutex_lock(&ff->mutex);
253 	for (i = 0; i < ff->max_effects; i++)
256 	mutex_unlock(&ff->mutex);
271 	struct ff_device *ff = dev->ff;
281 		ff->set_gain(dev, value);
288 		ff->set_autocenter(dev, value);
292 		if (check_effect_access(ff, code, NULL) == 0)
293 			ff->playback(dev, code, value);
309  * Once ff device is created you need to setup its upload, erase,
314 	struct ff_device *ff;
328 	ff = kzalloc(ff_dev_size, GFP_KERNEL);
329 	if (!ff)
332 	ff->effects = kcalloc(max_effects, sizeof(struct ff_effect),
334 	if (!ff->effects) {
335 		kfree(ff);
339 	ff->max_effects = max_effects;
340 	mutex_init(&ff->mutex);
342 	dev->ff = ff;
347 	/* Copy "true" bits into ff device bitmap */
350 			__set_bit(i, ff->ffbit);
353 	if (test_bit(FF_PERIODIC, ff->ffbit))
370 	struct ff_device *ff = dev->ff;
373 	if (ff) {
374 		if (ff->destroy)
375 			ff->destroy(ff);
376 		kfree(ff->private);
377 		kfree(ff->effects);
378 		kfree(ff);
379 		dev->ff = NULL;