[PATCH] usb: gadget: f_sourcesink: Fix isoc transfer for USB_SPEED_SUPER_PLUS

[Pavankumar Kondeti]

Currently when gadget enumerates in super speed plus, the isoc
endpoint request buffer size is not calculated correctly. Fix
this by checking the gadget speed against USB_SPEED_SUPER_PLUS
and update the request buffer size.

Signed-off-by: Pavankumar Kondeti <quic_pkondeti@xxxxxxxxxxx>
---
 drivers/usb/gadget/function/f_sourcesink.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/usb/gadget/function/f_sourcesink.c b/drivers/usb/gadget/function/f_sourcesink.c
index 1abf08e..0a423ba 100644
--- a/drivers/usb/gadget/function/f_sourcesink.c
+++ b/drivers/usb/gadget/function/f_sourcesink.c
@@ -584,6 +584,8 @@ static int source_sink_start_ep(struct f_sourcesink *ss, bool is_in,
 
 	if (is_iso) {
 		switch (speed) {
+		case USB_SPEED_SUPER_PLUS:
+			fallthrough;
 		case USB_SPEED_SUPER:
 			size = ss->isoc_maxpacket *
 					(ss->isoc_mult + 1) *
-- 
2.7.4