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usb: gadget: f_gsi: Enable auto detect RNDIS device on windows OS

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RNDIS IAD descriptor needs to get updated to support auto detection
of RNDIS device so that windows OS can load the RNDIS driver without
manually loading the driver.

Change-Id: Ia0cb418d886d6dd066d956c359a39af3ab47c9f2
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
This commit is contained in:
Hemant Kumar 2016-10-05 17:09:05 -07:00
parent 0b3886773c
commit 1d7e5bc8f0
1 changed files with 8 additions and 7 deletions
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15
drivers/usb/gadget/function/f_gsi.h
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@ -461,7 +461,7 @@ static struct usb_gadget_strings *rmnet_gsi_strings[] = {
/* rndis device descriptors */
/* interface descriptor: */
/* interface descriptor: Supports "Wireless" RNDIS; auto-detected by Windows*/
static struct usb_interface_descriptor rndis_gsi_control_intf = {
.bLength = sizeof(rndis_gsi_control_intf),
.bDescriptorType = USB_DT_INTERFACE,
@ -469,9 +469,9 @@ static struct usb_interface_descriptor rndis_gsi_control_intf = {
/* .bInterfaceNumber = DYNAMIC */
/* status endpoint is optional; this could be patched later */
.bNumEndpoints = 1,
.bInterfaceClass = USB_CLASS_COMM,
.bInterfaceSubClass = USB_CDC_SUBCLASS_ACM,
.bInterfaceProtocol = USB_CDC_ACM_PROTO_VENDOR,
.bInterfaceClass = USB_CLASS_WIRELESS_CONTROLLER,
.bInterfaceSubClass = 0x01,
.bInterfaceProtocol = 0x03,
/* .iInterface = DYNAMIC */
};
@ -522,15 +522,16 @@ static struct usb_interface_descriptor rndis_gsi_data_intf = {
/* .iInterface = DYNAMIC */
};
/* Supports "Wireless" RNDIS; auto-detected by Windows */
static struct usb_interface_assoc_descriptor
rndis_gsi_iad_descriptor = {
.bLength = sizeof(rndis_gsi_iad_descriptor),
.bDescriptorType = USB_DT_INTERFACE_ASSOCIATION,
.bFirstInterface = 0, /* XXX, hardcoded */
.bInterfaceCount = 2, /* control + data */
.bFunctionClass = USB_CLASS_COMM,
.bFunctionSubClass = USB_CDC_SUBCLASS_ETHERNET,
.bFunctionProtocol = USB_CDC_PROTO_NONE,
.bFunctionClass = USB_CLASS_WIRELESS_CONTROLLER,
.bFunctionSubClass = 0x01,
.bFunctionProtocol = 0x03,
/* .iFunction = DYNAMIC */
};