Messages in this thread Patch in this message | | | From | Chunfeng Yun <> | Subject | [PATCH] usb: gadget: composite: fill bcdUSB as 0x0320 for SuperSpeed or higher speeds | Date | Wed, 9 May 2018 19:29:16 +0800 |
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The USB3CV version 2.1.80 (March 26, 2018) requires all devices ( gen1, gen2, single lane, dual lane) to return the value of 0x0320 in the bcdUSB field
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> --- drivers/usb/gadget/composite.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 63a7cb8..f242c2b 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -1601,7 +1601,7 @@ static int fill_ext_prop(struct usb_configuration *c, int interface, u8 *buf) cdev->gadget->ep0->maxpacket; if (gadget_is_superspeed(gadget)) { if (gadget->speed >= USB_SPEED_SUPER) { - cdev->desc.bcdUSB = cpu_to_le16(0x0310); + cdev->desc.bcdUSB = cpu_to_le16(0x0320); cdev->desc.bMaxPacketSize0 = 9; } else { cdev->desc.bcdUSB = cpu_to_le16(0x0210); -- 1.9.1
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