diff options
| -rw-r--r-- | drivers/usb/gadget/g_dnl.c | 20 | ||||
| -rw-r--r-- | include/g_dnl.h | 1 |
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/usb/gadget/g_dnl.c b/drivers/usb/gadget/g_dnl.c index 43f413a..8dc3d9f 100644 --- a/drivers/usb/gadget/g_dnl.c +++ b/drivers/usb/gadget/g_dnl.c @@ -33,6 +33,9 @@ #define STRING_PRODUCT 2 /* Index of String Descriptor describing this configuration */ #define STRING_USBDOWN 2 +/* Index of String serial */ +#define STRING_SERIAL 3 +#define MAX_STRING_SERIAL 32 /* Number of supported configurations */ #define CONFIGURATION_NUMBER 1 @@ -40,8 +43,16 @@ static const char shortname[] = "usb_dnl_"; static const char product[] = "USB download gadget"; +static char g_dnl_serial[MAX_STRING_SERIAL]; static const char manufacturer[] = CONFIG_G_DNL_MANUFACTURER; +void g_dnl_set_serialnumber(char *s) +{ + memset(g_dnl_serial, 0, MAX_STRING_SERIAL); + if (strlen(s) < MAX_STRING_SERIAL) + strncpy(g_dnl_serial, s, strlen(s)); +} + static struct usb_device_descriptor device_desc = { .bLength = sizeof device_desc, .bDescriptorType = USB_DT_DEVICE, @@ -53,6 +64,7 @@ static struct usb_device_descriptor device_desc = { .idVendor = __constant_cpu_to_le16(CONFIG_G_DNL_VENDOR_NUM), .idProduct = __constant_cpu_to_le16(CONFIG_G_DNL_PRODUCT_NUM), .iProduct = STRING_PRODUCT, + .iSerialNumber = STRING_SERIAL, .bNumConfigurations = 1, }; @@ -63,6 +75,7 @@ static struct usb_device_descriptor device_desc = { static struct usb_string g_dnl_string_defs[] = { {.s = manufacturer}, {.s = product}, + {.s = g_dnl_serial}, { } /* end of list */ }; @@ -156,6 +169,13 @@ static int g_dnl_bind(struct usb_composite_dev *cdev) g_dnl_string_defs[1].id = id; device_desc.iProduct = id; + id = usb_string_id(cdev); + if (id < 0) + return id; + + g_dnl_string_defs[2].id = id; + device_desc.iSerialNumber = id; + g_dnl_bind_fixup(&device_desc, cdev->driver->name); ret = g_dnl_config_register(cdev); if (ret) diff --git a/include/g_dnl.h b/include/g_dnl.h index de669fb..8f813c2 100644 --- a/include/g_dnl.h +++ b/include/g_dnl.h @@ -13,5 +13,6 @@ int g_dnl_bind_fixup(struct usb_device_descriptor *, const char *); int g_dnl_register(const char *s); void g_dnl_unregister(void); +void g_dnl_set_serialnumber(char *); #endif /* __G_DOWNLOAD_H_ */ |