658 	struct f_uvc_opts *opts;  in uvc_function_bind()  local
663 	opts = fi_to_f_uvc_opts(f->fi);  in uvc_function_bind()
665 	opts->streaming_interval = clamp(opts->streaming_interval, 1U, 16U);  in uvc_function_bind()
666 	opts->streaming_maxpacket = clamp(opts->streaming_maxpacket, 1U, 3072U);  in uvc_function_bind()
667 	opts->streaming_maxburst = min(opts->streaming_maxburst, 15U);  in uvc_function_bind()
670 	if (opts->streaming_maxburst &&  in uvc_function_bind()
671 	    (opts->streaming_maxpacket % 1024) != 0) {  in uvc_function_bind()
672 		opts->streaming_maxpacket = roundup(opts->streaming_maxpacket, 1024);  in uvc_function_bind()
674 			  opts->streaming_maxpacket);  in uvc_function_bind()
684 	if (opts->streaming_maxpacket <= 1024) {  in uvc_function_bind()
686 		max_packet_size = opts->streaming_maxpacket;  in uvc_function_bind()
687 	} else if (opts->streaming_maxpacket <= 2048) {  in uvc_function_bind()
689 		max_packet_size = opts->streaming_maxpacket / 2;  in uvc_function_bind()
692 		max_packet_size = opts->streaming_maxpacket / 3;  in uvc_function_bind()
696 		cpu_to_le16(min(opts->streaming_maxpacket, 1023U));  in uvc_function_bind()
697 	uvc_fs_streaming_ep.bInterval = opts->streaming_interval;  in uvc_function_bind()
706 		uvc_hs_streaming_ep.bInterval = opts->streaming_interval;  in uvc_function_bind()
709 	uvc_ss_streaming_ep.bInterval = opts->streaming_interval;  in uvc_function_bind()
711 	uvc_ss_streaming_comp.bMaxBurst = opts->streaming_maxburst;  in uvc_function_bind()
714 			    (opts->streaming_maxburst + 1));  in uvc_function_bind()
717 	if (opts->enable_interrupt_ep) {  in uvc_function_bind()
726 	uvc->enable_interrupt_ep = opts->enable_interrupt_ep;  in uvc_function_bind()
758 	list_for_each_entry(xu, &opts->extension_units, list)  in uvc_function_bind()
766 	uvc_en_us_strings[UVC_STRING_CONTROL_IDX].s = opts->function_name;  in uvc_function_bind()
774 	uvc_iad.iFunction = opts->iad_index ? cdev->usb_strings[opts->iad_index].id :  in uvc_function_bind()
776 	uvc_streaming_intf_alt0.iInterface = opts->vs0_index ?  in uvc_function_bind()
777 					     cdev->usb_strings[opts->vs0_index].id :  in uvc_function_bind()
779 	uvc_streaming_intf_alt1.iInterface = opts->vs1_index ?  in uvc_function_bind()
780 					     cdev->usb_strings[opts->vs1_index].id :  in uvc_function_bind()
789 	opts->control_interface = ret;  in uvc_function_bind()
796 	opts->streaming_interface = ret;  in uvc_function_bind()
875 	struct f_uvc_opts *opts = fi_to_f_uvc_opts(f);  in uvc_free_inst()  local
877 	mutex_destroy(&opts->lock);  in uvc_free_inst()
878 	kfree(opts);  in uvc_free_inst()
883 	struct f_uvc_opts *opts;  in uvc_alloc_inst()  local
890 	opts = kzalloc_obj(*opts);  in uvc_alloc_inst()
891 	if (!opts)  in uvc_alloc_inst()
893 	opts->func_inst.free_func_inst = uvc_free_inst;  in uvc_alloc_inst()
894 	mutex_init(&opts->lock);  in uvc_alloc_inst()
896 	cd = &opts->uvc_camera_terminal;  in uvc_alloc_inst()
912 	pd = &opts->uvc_processing;  in uvc_alloc_inst()
925 	od = &opts->uvc_output_terminal;  in uvc_alloc_inst()
940 	opts->last_unit_id		= 3;  in uvc_alloc_inst()
943 	ctl_cls = opts->uvc_fs_control_cls;  in uvc_alloc_inst()
949 	opts->fs_control =  in uvc_alloc_inst()
953 	ctl_cls = opts->uvc_ss_control_cls;  in uvc_alloc_inst()
959 	opts->ss_control =  in uvc_alloc_inst()
962 	INIT_LIST_HEAD(&opts->extension_units);  in uvc_alloc_inst()
964 	opts->streaming_interval = 1;  in uvc_alloc_inst()
965 	opts->streaming_maxpacket = 1024;  in uvc_alloc_inst()
966 	snprintf(opts->function_name, sizeof(opts->function_name), "UVC Camera");  in uvc_alloc_inst()
968 	ret = uvcg_attach_configfs(opts);  in uvc_alloc_inst()
970 		kfree(opts);  in uvc_alloc_inst()
974 	return &opts->func_inst;  in uvc_alloc_inst()
980 	struct f_uvc_opts *opts = container_of(f->fi, struct f_uvc_opts,  in uvc_free()  local
982 	if (!opts->header)  in uvc_free()
984 	--opts->refcnt;  in uvc_free()
1041 	struct f_uvc_opts *opts;  in uvc_alloc()  local
1052 	opts = fi_to_f_uvc_opts(fi);  in uvc_alloc()
1054 	mutex_lock(&opts->lock);  in uvc_alloc()
1055 	if (opts->uvc_fs_streaming_cls) {  in uvc_alloc()
1056 		strm_cls = opts->uvc_fs_streaming_cls;  in uvc_alloc()
1057 		opts->fs_streaming =  in uvc_alloc()
1060 	if (opts->uvc_hs_streaming_cls) {  in uvc_alloc()
1061 		strm_cls = opts->uvc_hs_streaming_cls;  in uvc_alloc()
1062 		opts->hs_streaming =  in uvc_alloc()
1065 	if (opts->uvc_ss_streaming_cls) {  in uvc_alloc()
1066 		strm_cls = opts->uvc_ss_streaming_cls;  in uvc_alloc()
1067 		opts->ss_streaming =  in uvc_alloc()
1071 	uvc->desc.fs_control = opts->fs_control;  in uvc_alloc()
1072 	uvc->desc.ss_control = opts->ss_control;  in uvc_alloc()
1073 	uvc->desc.fs_streaming = opts->fs_streaming;  in uvc_alloc()
1074 	uvc->desc.hs_streaming = opts->hs_streaming;  in uvc_alloc()
1075 	uvc->desc.ss_streaming = opts->ss_streaming;  in uvc_alloc()
1077 	if (opts->header) {  in uvc_alloc()
1078 		uvc->header = opts->header;  in uvc_alloc()
1080 		streaming = config_group_find_item(&opts->func_inst.group, "streaming");  in uvc_alloc()
1096 			mutex_unlock(&opts->lock);  in uvc_alloc()
1102 	uvc->desc.extension_units = &opts->extension_units;  in uvc_alloc()
1104 	++opts->refcnt;  in uvc_alloc()
1105 	mutex_unlock(&opts->lock);  in uvc_alloc()
1121 	mutex_unlock(&opts->lock);  in uvc_alloc()