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usb, g_dnl: make iSerialNumber board configurable

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add the possibility to set the iSerialNumber board specific.
Default value for iSerialNumber is 0x0. This value can
changed board specific through the new function
g_dnl_set_serialnumber() which must be called from the
board specific function g_dnl_bind_fixup().

Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Lukasz Majewski <l.majewski@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Tested-by: Lukasz Majewski <l.majewski@samsung.com>
This commit is contained in:
Heiko Schocher 2013-11-04 14:05:01 +01:00 • committed by Marek Vasut
parent 31bae4c5d9
commit ec9002e4fa
2 changed files with 21 additions and 0 deletions
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20
drivers/usb/gadget/g_dnl.c
View file

@ -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)

1
include/g_dnl.h
View file

@ -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_ */