lesavka/scripts/kernel/uvc-bulk.patch

diff --git a/drivers/usb/gadget/function/f_uvc.c b/drivers/usb/gadget/function/f_uvc.c
index aa6ab666741a..7fb30b09e980 100644
--- a/drivers/usb/gadget/function/f_uvc.c
+++ b/drivers/usb/gadget/function/f_uvc.c
@@ -652,22 +652,32 @@ uvc_function_bind(struct usb_configuration *c, struct usb_function *f)
 	unsigned int max_packet_size;
 	struct usb_ep *ep;
 	struct f_uvc_opts *opts;
+	bool bulk;
 	int ret = -EINVAL;
 
 	uvcg_info(f, "%s()\n", __func__);
 
 	opts = fi_to_f_uvc_opts(f->fi);
+	bulk = opts->streaming_bulk;
 	/* Sanity check the streaming endpoint module parameters. */
 	opts->streaming_interval = clamp(opts->streaming_interval, 1U, 16U);
-	opts->streaming_maxpacket = clamp(opts->streaming_maxpacket, 1U, 3072U);
 	opts->streaming_maxburst = min(opts->streaming_maxburst, 15U);
 
-	/* For SS, wMaxPacketSize has to be 1024 if bMaxBurst is not 0 */
-	if (opts->streaming_maxburst &&
-	    (opts->streaming_maxpacket % 1024) != 0) {
-		opts->streaming_maxpacket = roundup(opts->streaming_maxpacket, 1024);
-		uvcg_info(f, "overriding streaming_maxpacket to %d\n",
-			  opts->streaming_maxpacket);
+	if (bulk) {
+		opts->streaming_maxpacket =
+			clamp(opts->streaming_maxpacket, 1U, 1024U);
+	} else {
+		opts->streaming_maxpacket =
+			clamp(opts->streaming_maxpacket, 1U, 3072U);
+		/* For SS, wMaxPacketSize has to be 1024 if bMaxBurst is not 0 */
+		if (opts->streaming_maxburst &&
+		    (opts->streaming_maxpacket % 1024) != 0) {
+			opts->streaming_maxpacket =
+				roundup(opts->streaming_maxpacket, 1024);
+			uvcg_info(f,
+				  "overriding streaming_maxpacket to %d\n",
+				  opts->streaming_maxpacket);
+		}
 	}
 
 	/*
@@ -677,37 +687,70 @@ uvc_function_bind(struct usb_configuration *c, struct usb_function *f)
 	 * NOTE: We assume that the user knows what they are doing and won't
 	 * give parameters that their UDC doesn't support.
 	 */
-	if (opts->streaming_maxpacket <= 1024) {
+	if (bulk) {
 		max_packet_mult = 1;
 		max_packet_size = opts->streaming_maxpacket;
-	} else if (opts->streaming_maxpacket <= 2048) {
-		max_packet_mult = 2;
-		max_packet_size = opts->streaming_maxpacket / 2;
-	} else {
-		max_packet_mult = 3;
-		max_packet_size = opts->streaming_maxpacket / 3;
-	}
 
-	uvc_fs_streaming_ep.wMaxPacketSize =
-		cpu_to_le16(min(opts->streaming_maxpacket, 1023U));
-	uvc_fs_streaming_ep.bInterval = opts->streaming_interval;
+		uvc_fs_streaming_ep.bmAttributes = USB_ENDPOINT_XFER_BULK;
+		uvc_hs_streaming_ep.bmAttributes = USB_ENDPOINT_XFER_BULK;
+		uvc_ss_streaming_ep.bmAttributes = USB_ENDPOINT_XFER_BULK;
 
-	uvc_hs_streaming_ep.wMaxPacketSize =
-		cpu_to_le16(max_packet_size | ((max_packet_mult - 1) << 11));
+		uvc_fs_streaming_ep.wMaxPacketSize =
+			cpu_to_le16(min(opts->streaming_maxpacket, 64U));
+		uvc_fs_streaming_ep.bInterval = 0;
 
-	/* A high-bandwidth endpoint must specify a bInterval value of 1 */
-	if (max_packet_mult > 1)
-		uvc_hs_streaming_ep.bInterval = 1;
-	else
-		uvc_hs_streaming_ep.bInterval = opts->streaming_interval;
-
-	uvc_ss_streaming_ep.wMaxPacketSize = cpu_to_le16(max_packet_size);
-	uvc_ss_streaming_ep.bInterval = opts->streaming_interval;
-	uvc_ss_streaming_comp.bmAttributes = max_packet_mult - 1;
-	uvc_ss_streaming_comp.bMaxBurst = opts->streaming_maxburst;
-	uvc_ss_streaming_comp.wBytesPerInterval =
-		cpu_to_le16(max_packet_size * max_packet_mult *
-			    (opts->streaming_maxburst + 1));
+		uvc_hs_streaming_ep.wMaxPacketSize =
+			cpu_to_le16(min(opts->streaming_maxpacket, 512U));
+		uvc_hs_streaming_ep.bInterval = 0;
+
+		uvc_ss_streaming_ep.wMaxPacketSize =
+			cpu_to_le16(min(opts->streaming_maxpacket, 1024U));
+		uvc_ss_streaming_ep.bInterval = 0;
+		uvc_ss_streaming_comp.bmAttributes = 0;
+		uvc_ss_streaming_comp.bMaxBurst = opts->streaming_maxburst;
+		uvc_ss_streaming_comp.wBytesPerInterval = cpu_to_le16(0);
+	} else {
+		if (opts->streaming_maxpacket <= 1024) {
+			max_packet_mult = 1;
+			max_packet_size = opts->streaming_maxpacket;
+		} else if (opts->streaming_maxpacket <= 2048) {
+			max_packet_mult = 2;
+			max_packet_size = opts->streaming_maxpacket / 2;
+		} else {
+			max_packet_mult = 3;
+			max_packet_size = opts->streaming_maxpacket / 3;
+		}
+
+		uvc_fs_streaming_ep.bmAttributes =
+			USB_ENDPOINT_SYNC_ASYNC | USB_ENDPOINT_XFER_ISOC;
+		uvc_hs_streaming_ep.bmAttributes =
+			USB_ENDPOINT_SYNC_ASYNC | USB_ENDPOINT_XFER_ISOC;
+		uvc_ss_streaming_ep.bmAttributes =
+			USB_ENDPOINT_SYNC_ASYNC | USB_ENDPOINT_XFER_ISOC;
+
+		uvc_fs_streaming_ep.wMaxPacketSize =
+			cpu_to_le16(min(opts->streaming_maxpacket, 1023U));
+		uvc_fs_streaming_ep.bInterval = opts->streaming_interval;
+
+		uvc_hs_streaming_ep.wMaxPacketSize =
+			cpu_to_le16(max_packet_size |
+				    ((max_packet_mult - 1) << 11));
+
+		/* A high-bandwidth endpoint must specify a bInterval value of 1 */
+		if (max_packet_mult > 1)
+			uvc_hs_streaming_ep.bInterval = 1;
+		else
+			uvc_hs_streaming_ep.bInterval = opts->streaming_interval;
+
+		uvc_ss_streaming_ep.wMaxPacketSize =
+			cpu_to_le16(max_packet_size);
+		uvc_ss_streaming_ep.bInterval = opts->streaming_interval;
+		uvc_ss_streaming_comp.bmAttributes = max_packet_mult - 1;
+		uvc_ss_streaming_comp.bMaxBurst = opts->streaming_maxburst;
+		uvc_ss_streaming_comp.wBytesPerInterval =
+			cpu_to_le16(max_packet_size * max_packet_mult *
+				    (opts->streaming_maxburst + 1));
+	}
 
 	/* Allocate endpoints. */
 	if (opts->enable_interrupt_ep) {
diff --git a/drivers/usb/gadget/function/u_uvc.h b/drivers/usb/gadget/function/u_uvc.h
index 3ac392cbb779..b57e2d10ddcd 100644
--- a/drivers/usb/gadget/function/u_uvc.h
+++ b/drivers/usb/gadget/function/u_uvc.h
@@ -24,6 +24,7 @@ struct f_uvc_opts {
 	unsigned int					streaming_interval;
 	unsigned int					streaming_maxpacket;
 	unsigned int					streaming_maxburst;
+	unsigned int					streaming_bulk;
 
 	unsigned int					control_interface;
 	unsigned int					streaming_interface;
diff --git a/drivers/usb/gadget/function/uvc_configfs.c b/drivers/usb/gadget/function/uvc_configfs.c
index a4a2d3dcb0d6..80817ff1b6fe 100644
--- a/drivers/usb/gadget/function/uvc_configfs.c
+++ b/drivers/usb/gadget/function/uvc_configfs.c
@@ -3751,6 +3751,7 @@ UVC_ATTR(f_uvc_opts_, cname, cname)
 UVCG_OPTS_ATTR(streaming_interval, streaming_interval, 16);
 UVCG_OPTS_ATTR(streaming_maxpacket, streaming_maxpacket, 3072);
 UVCG_OPTS_ATTR(streaming_maxburst, streaming_maxburst, 15);
+UVCG_OPTS_ATTR(streaming_bulk, streaming_bulk, 1);
 
 #undef UVCG_OPTS_ATTR
 
@@ -3800,6 +3801,7 @@ static struct configfs_attribute *uvc_attrs[] = {
 	&f_uvc_opts_attr_streaming_interval,
 	&f_uvc_opts_attr_streaming_maxpacket,
 	&f_uvc_opts_attr_streaming_maxburst,
+	&f_uvc_opts_attr_streaming_bulk,
 	&f_uvc_opts_string_attr_function_name,
 	NULL,
 };