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usb: gadget: add WCID support for mfgtool

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Enable WCID(Microsoft Compatible ID Feature Descriptor) for mfgtool.

Signed-off-by: Li Jun <jun.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Li Jun 2021-01-25 21:43:50 +08:00 committed by Marek Vasut
parent a764c94128
commit 37e4fc3354
1 changed files with 20 additions and 0 deletions
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20
drivers/usb/gadget/composite.c
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@ -20,6 +20,10 @@
typedef struct { __le16 val; } __packed __le16_packed;
static struct usb_composite_driver *composite;
static struct usb_configuration *os_desc_config;
/* Microsoft OS String Descriptor */
static char qw_sign_buf[OS_STRING_QW_SIGN_LEN / 2] = {'M', 'S', 'F', 'T', '1', '0', '0'};
static inline void le16_add_cpu_packed(__le16_packed *var, u16 val)
{
@ -395,6 +399,10 @@ static int set_config(struct usb_composite_dev *cdev,
goto done;
cdev->config = c;
if (cdev->use_os_string) {
cdev->os_desc_config = c;
os_desc_config = c;
}
/* Initialize all interfaces by setting them to altsetting zero. */
for (tmp = 0; tmp < MAX_CONFIG_INTERFACES; tmp++) {
@ -1358,6 +1366,18 @@ static int composite_bind(struct usb_gadget *gadget)
sizeof(struct usb_device_descriptor));
cdev->desc.bMaxPacketSize0 = gadget->ep0->maxpacket;
if (cdev->use_os_string) {
/* TODO: Do we want to pass this via platform? */
cdev->b_vendor_code = 0x40;
/* Microsoft OS String Descriptor */
utf8_to_utf16le(qw_sign_buf, (__le16 *)cdev->qw_sign,
OS_STRING_QW_SIGN_LEN / 2);
if (os_desc_config)
cdev->os_desc_config = os_desc_config;
}
debug("%s: ready\n", composite->name);
return 0;