652 	struct f_uvc_opts *opts;  in uvc_function_bind()  local
657 	opts = fi_to_f_uvc_opts(f->fi);  in uvc_function_bind()
659 	opts->streaming_interval = clamp(opts->streaming_interval, 1U, 16U);  in uvc_function_bind()
660 	opts->streaming_maxpacket = clamp(opts->streaming_maxpacket, 1U, 3072U);  in uvc_function_bind()
661 	opts->streaming_maxburst = min(opts->streaming_maxburst, 15U);  in uvc_function_bind()
664 	if (opts->streaming_maxburst &&  in uvc_function_bind()
665 	    (opts->streaming_maxpacket % 1024) != 0) {  in uvc_function_bind()
666 		opts->streaming_maxpacket = roundup(opts->streaming_maxpacket, 1024);  in uvc_function_bind()
668 			  opts->streaming_maxpacket);  in uvc_function_bind()
678 	if (opts->streaming_maxpacket <= 1024) {  in uvc_function_bind()
680 		max_packet_size = opts->streaming_maxpacket;  in uvc_function_bind()
681 	} else if (opts->streaming_maxpacket <= 2048) {  in uvc_function_bind()
683 		max_packet_size = opts->streaming_maxpacket / 2;  in uvc_function_bind()
686 		max_packet_size = opts->streaming_maxpacket / 3;  in uvc_function_bind()
690 		cpu_to_le16(min(opts->streaming_maxpacket, 1023U));  in uvc_function_bind()
691 	uvc_fs_streaming_ep.bInterval = opts->streaming_interval;  in uvc_function_bind()
700 		uvc_hs_streaming_ep.bInterval = opts->streaming_interval;  in uvc_function_bind()
703 	uvc_ss_streaming_ep.bInterval = opts->streaming_interval;  in uvc_function_bind()
705 	uvc_ss_streaming_comp.bMaxBurst = opts->streaming_maxburst;  in uvc_function_bind()
708 			    (opts->streaming_maxburst + 1));  in uvc_function_bind()
711 	if (opts->enable_interrupt_ep) {  in uvc_function_bind()
720 	uvc->enable_interrupt_ep = opts->enable_interrupt_ep;  in uvc_function_bind()
752 	list_for_each_entry(xu, &opts->extension_units, list)  in uvc_function_bind()
760 	uvc_en_us_strings[UVC_STRING_CONTROL_IDX].s = opts->function_name;  in uvc_function_bind()
768 	uvc_iad.iFunction = opts->iad_index ? cdev->usb_strings[opts->iad_index].id :  in uvc_function_bind()
770 	uvc_streaming_intf_alt0.iInterface = opts->vs0_index ?  in uvc_function_bind()
771 					     cdev->usb_strings[opts->vs0_index].id :  in uvc_function_bind()
773 	uvc_streaming_intf_alt1.iInterface = opts->vs1_index ?  in uvc_function_bind()
774 					     cdev->usb_strings[opts->vs1_index].id :  in uvc_function_bind()
783 	opts->control_interface = ret;  in uvc_function_bind()
790 	opts->streaming_interface = ret;  in uvc_function_bind()
862 	struct f_uvc_opts *opts = fi_to_f_uvc_opts(f);  in uvc_free_inst()  local
864 	mutex_destroy(&opts->lock);  in uvc_free_inst()
865 	kfree(opts);  in uvc_free_inst()
870 	struct f_uvc_opts *opts;  in uvc_alloc_inst()  local
877 	opts = kzalloc(sizeof(*opts), GFP_KERNEL);  in uvc_alloc_inst()
878 	if (!opts)  in uvc_alloc_inst()
880 	opts->func_inst.free_func_inst = uvc_free_inst;  in uvc_alloc_inst()
881 	mutex_init(&opts->lock);  in uvc_alloc_inst()
883 	cd = &opts->uvc_camera_terminal;  in uvc_alloc_inst()
899 	pd = &opts->uvc_processing;  in uvc_alloc_inst()
912 	od = &opts->uvc_output_terminal;  in uvc_alloc_inst()
927 	opts->last_unit_id		= 3;  in uvc_alloc_inst()
930 	ctl_cls = opts->uvc_fs_control_cls;  in uvc_alloc_inst()
936 	opts->fs_control =  in uvc_alloc_inst()
940 	ctl_cls = opts->uvc_ss_control_cls;  in uvc_alloc_inst()
946 	opts->ss_control =  in uvc_alloc_inst()
949 	INIT_LIST_HEAD(&opts->extension_units);  in uvc_alloc_inst()
951 	opts->streaming_interval = 1;  in uvc_alloc_inst()
952 	opts->streaming_maxpacket = 1024;  in uvc_alloc_inst()
953 	snprintf(opts->function_name, sizeof(opts->function_name), "UVC Camera");  in uvc_alloc_inst()
955 	ret = uvcg_attach_configfs(opts);  in uvc_alloc_inst()
957 		kfree(opts);  in uvc_alloc_inst()
961 	return &opts->func_inst;  in uvc_alloc_inst()
967 	struct f_uvc_opts *opts = container_of(f->fi, struct f_uvc_opts,  in uvc_free()  local
969 	if (!opts->header)  in uvc_free()
971 	--opts->refcnt;  in uvc_free()
1026 	struct f_uvc_opts *opts;  in uvc_alloc()  local
1037 	opts = fi_to_f_uvc_opts(fi);  in uvc_alloc()
1039 	mutex_lock(&opts->lock);  in uvc_alloc()
1040 	if (opts->uvc_fs_streaming_cls) {  in uvc_alloc()
1041 		strm_cls = opts->uvc_fs_streaming_cls;  in uvc_alloc()
1042 		opts->fs_streaming =  in uvc_alloc()
1045 	if (opts->uvc_hs_streaming_cls) {  in uvc_alloc()
1046 		strm_cls = opts->uvc_hs_streaming_cls;  in uvc_alloc()
1047 		opts->hs_streaming =  in uvc_alloc()
1050 	if (opts->uvc_ss_streaming_cls) {  in uvc_alloc()
1051 		strm_cls = opts->uvc_ss_streaming_cls;  in uvc_alloc()
1052 		opts->ss_streaming =  in uvc_alloc()
1056 	uvc->desc.fs_control = opts->fs_control;  in uvc_alloc()
1057 	uvc->desc.ss_control = opts->ss_control;  in uvc_alloc()
1058 	uvc->desc.fs_streaming = opts->fs_streaming;  in uvc_alloc()
1059 	uvc->desc.hs_streaming = opts->hs_streaming;  in uvc_alloc()
1060 	uvc->desc.ss_streaming = opts->ss_streaming;  in uvc_alloc()
1062 	if (opts->header) {  in uvc_alloc()
1063 		uvc->header = opts->header;  in uvc_alloc()
1065 		streaming = config_group_find_item(&opts->func_inst.group, "streaming");  in uvc_alloc()
1081 			mutex_unlock(&opts->lock);  in uvc_alloc()
1087 	uvc->desc.extension_units = &opts->extension_units;  in uvc_alloc()
1089 	++opts->refcnt;  in uvc_alloc()
1090 	mutex_unlock(&opts->lock);  in uvc_alloc()
1106 	mutex_unlock(&opts->lock);  in uvc_alloc()