common/videobuf2/videobuf2-dvb.c

72 static int vb2_dvb_register_adapter(struct vb2_dvb_frontends *fe,
83 	mutex_init(&fe->lock);
86 	result = dvb_register_adapter(&fe->adapter, adapter_name, module,
92 	fe->adapter.priv = adapter_priv;
93 	fe->adapter.mfe_shared = mfe_shared;
96 		fe->adapter.mdev = mdev;
201 	struct vb2_dvb_frontend *fe;
204 	fe = vb2_dvb_get_frontend(f, 1);
205 	if (!fe) {
212 		fe->dvb.name, adapter_nr, mfe_shared);
221 		fe = list_entry(list, struct vb2_dvb_frontend, felist);
222 		res = vb2_dvb_register_frontend(&f->adapter, &fe->dvb);
225 				fe->dvb.name, res);
255 	struct vb2_dvb_frontend *fe, *ret = NULL;
260 		fe = list_entry(list, struct vb2_dvb_frontend, felist);
261 		if (fe->id == id) {
262 			ret = fe;
277 	struct vb2_dvb_frontend *fe = NULL;
283 		fe = list_entry(list, struct vb2_dvb_frontend, felist);
284 		if (fe->dvb.frontend == p) {
285 			ret = fe->id;
299 	struct vb2_dvb_frontend *fe;
301 	fe = kzalloc(sizeof(struct vb2_dvb_frontend), GFP_KERNEL);
302 	if (fe == NULL)
305 	fe->id = id;
306 	mutex_init(&fe->dvb.lock);
309 	list_add_tail(&fe->felist, &f->felist);
311 	return fe;
318 	struct vb2_dvb_frontend *fe;
322 		fe = list_entry(list, struct vb2_dvb_frontend, felist);
323 		if (fe->dvb.net.dvbdev) {
324 			dvb_net_release(&fe->dvb.net);
325 			fe->dvb.demux.dmx.remove_frontend(&fe->dvb.demux.dmx,
326 				&fe->dvb.fe_mem);
327 			fe->dvb.demux.dmx.remove_frontend(&fe->dvb.demux.dmx,
328 				&fe->dvb.fe_hw);
329 			dvb_dmxdev_release(&fe->dvb.dmxdev);
330 			dvb_dmx_release(&fe->dvb.demux);
331 			dvb_unregister_frontend(fe->dvb.frontend);
333 		if (fe->dvb.frontend)
335 			dvb_frontend_detach(fe->dvb.frontend);
337 		kfree(fe);	/* free frontend allocation */