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usb, g_dnl: make bcdDevice value configurable

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add the possibility to set the bcdDevice number board specific.
Therefore the weak function g_dnl_get_board_bcd_device_number()
is introduced. Used on the siemens boards.

Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Lukasz Majewski <l.majewski@samsung.com>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
This commit is contained in:
Heiko Schocher 2013-11-04 14:05:02 +01:00 committed by Tom Rini
parent 79c5c08d7c
commit 7a0d463f58
1 changed files with 19 additions and 4 deletions

23
drivers/usb/gadget/g_dnl.c
View File

@ -147,6 +147,23 @@ int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
return 0; return 0;
} }
__weak int g_dnl_get_board_bcd_device_number(int gcnum)
{
return gcnum;
}
static int g_dnl_get_bcd_device_number(struct usb_composite_dev *cdev)
{
struct usb_gadget *gadget = cdev->gadget;
int gcnum;
gcnum = usb_gadget_controller_number(gadget);
if (gcnum > 0)
gcnum += 0x200;
return g_dnl_get_board_bcd_device_number(gcnum);
}
static int g_dnl_bind(struct usb_composite_dev *cdev) static int g_dnl_bind(struct usb_composite_dev *cdev)
{ {
struct usb_gadget *gadget = cdev->gadget; struct usb_gadget *gadget = cdev->gadget;
@ -181,11 +198,9 @@ static int g_dnl_bind(struct usb_composite_dev *cdev)
if (ret) if (ret)
goto error; goto error;
gcnum = usb_gadget_controller_number(gadget); gcnum = g_dnl_get_bcd_device_number(cdev);
debug("gcnum: %d\n", gcnum);
if (gcnum >= 0) if (gcnum >= 0)
device_desc.bcdDevice = cpu_to_le16(0x0200 + gcnum); device_desc.bcdDevice = cpu_to_le16(gcnum);
else { else {
debug("%s: controller '%s' not recognized\n", debug("%s: controller '%s' not recognized\n",
shortname, gadget->name); shortname, gadget->name);