diff options
| -rw-r--r-- | drivers/usb/gadget/composite.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 1063c571d8..2a309e624e 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -532,6 +532,19 @@ int usb_add_config(struct usb_composite_dev *cdev, } } + /* + * If one function of config is not super speed capable, + * force the gadget to be high speed so controller driver + * can init HW to be USB 2.0 + */ + if (gadget_is_superspeed(cdev->gadget)) { + list_for_each_entry(f, &config->functions, list) { + if (!f->ss_descriptors) + cdev->gadget->max_speed = + USB_SPEED_HIGH; + } + } + usb_ep_autoconfig_reset(cdev->gadget); os_desc_config = config; |