gadget/function/f_midi.c

1074 	struct f_midi_opts *opts = to_f_midi_opts(item);
1076 	usb_put_function_instance(&opts->func_inst);
1086 	struct f_midi_opts *opts = to_f_midi_opts(item);		\
1089 	mutex_lock(&opts->lock);					\
1090 	result = sprintf(page, "%u\n", opts->name);			\
1091 	mutex_unlock(&opts->lock);					\
1099 	struct f_midi_opts *opts = to_f_midi_opts(item);		\
1103 	mutex_lock(&opts->lock);					\
1104 	if (opts->refcnt > 1) {						\
1117 	opts->name = num;						\
1121 	mutex_unlock(&opts->lock);					\
1130 	struct f_midi_opts *opts = to_f_midi_opts(item);		\
1133 	mutex_lock(&opts->lock);					\
1134 	result = sprintf(page, "%d\n", opts->name);			\
1135 	mutex_unlock(&opts->lock);					\
1143 	struct f_midi_opts *opts = to_f_midi_opts(item);		\
1147 	mutex_lock(&opts->lock);					\
1148 	if (opts->refcnt > 1) {						\
1161 	opts->name = num;						\
1165 	mutex_unlock(&opts->lock);					\
1179 	struct f_midi_opts *opts = to_f_midi_opts(item);
1182 	mutex_lock(&opts->lock);
1183 	if (opts->id) {
1184 		result = strscpy(page, opts->id, PAGE_SIZE);
1190 	mutex_unlock(&opts->lock);
1198 	struct f_midi_opts *opts = to_f_midi_opts(item);
1202 	mutex_lock(&opts->lock);
1203 	if (opts->refcnt > 1) {
1213 	if (opts->id_allocated)
1214 		kfree(opts->id);
1215 	opts->id = c;
1216 	opts->id_allocated = true;
1219 	mutex_unlock(&opts->lock);
1243 	struct f_midi_opts *opts;
1246 	opts = container_of(f, struct f_midi_opts, func_inst);
1248 	mutex_lock(&opts->lock);
1249 	if (!--opts->refcnt) {
1252 	mutex_unlock(&opts->lock);
1255 		if (opts->id_allocated)
1256 			kfree(opts->id);
1257 		kfree(opts);
1263 	struct f_midi_opts *opts;
1265 	opts = kzalloc(sizeof(*opts), GFP_KERNEL);
1266 	if (!opts)
1269 	mutex_init(&opts->lock);
1270 	opts->func_inst.free_func_inst = f_midi_free_inst;
1271 	opts->index = SNDRV_DEFAULT_IDX1;
1272 	opts->id = SNDRV_DEFAULT_STR1;
1273 	opts->buflen = 512;
1274 	opts->qlen = 32;
1275 	opts->in_ports = 1;
1276 	opts->out_ports = 1;
1277 	opts->refcnt = 1;
1279 	config_group_init_type_name(&opts->func_inst.group, "",
1282 	return &opts->func_inst;
1288 	struct f_midi_opts *opts;
1292 	opts = container_of(f->fi, struct f_midi_opts, func_inst);
1293 	mutex_lock(&opts->lock);
1300 	mutex_unlock(&opts->lock);
1303 		f_midi_free_inst(&opts->func_inst);
1333 	struct f_midi_opts *opts;
1336 	opts = container_of(fi, struct f_midi_opts, func_inst);
1338 	mutex_lock(&opts->lock);
1340 	if (opts->in_ports > MAX_PORTS || opts->out_ports > MAX_PORTS) {
1346 	midi = kzalloc(struct_size(midi, in_ports_array, opts->in_ports),
1352 	midi->in_ports = opts->in_ports;
1354 	for (i = 0; i < opts->in_ports; i++)
1358 	midi->id = kstrdup(opts->id, GFP_KERNEL);
1359 	if (opts->id && !midi->id) {
1363 	midi->out_ports = opts->out_ports;
1364 	midi->index = opts->index;
1365 	midi->buflen = opts->buflen;
1366 	midi->qlen = opts->qlen;
1376 	++opts->refcnt;
1377 	mutex_unlock(&opts->lock);
1393 	mutex_unlock(&opts->lock);