diff options
| author | Heiko Schocher <[email protected]> | 2013-11-04 14:05:02 +0100 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2013-11-12 09:53:59 -0500 |
| commit | 7a0d463f587b0c00f6abfd33d96fae9fdd0dc55a (patch) | |
| tree | a2b0da3a360c4536042f9b8671b4669bef375f33 | |
| parent | 79c5c08d7c560aef2d5706501557b7907c2829bb (diff) | |
usb, g_dnl: make bcdDevice value configurable
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 <[email protected]>
Acked-by: Lukasz Majewski <[email protected]>
Cc: Marek Vasut <[email protected]>
Cc: Kyungmin Park <[email protected]>
| -rw-r--r-- | drivers/usb/gadget/g_dnl.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/drivers/usb/gadget/g_dnl.c b/drivers/usb/gadget/g_dnl.c index 8dc3d9f8a84..dd95afe86a5 100644 --- a/drivers/usb/gadget/g_dnl.c +++ b/drivers/usb/gadget/g_dnl.c @@ -147,6 +147,23 @@ int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name) 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) { struct usb_gadget *gadget = cdev->gadget; @@ -181,11 +198,9 @@ static int g_dnl_bind(struct usb_composite_dev *cdev) if (ret) goto error; - gcnum = usb_gadget_controller_number(gadget); - - debug("gcnum: %d\n", gcnum); + gcnum = g_dnl_get_bcd_device_number(cdev); if (gcnum >= 0) - device_desc.bcdDevice = cpu_to_le16(0x0200 + gcnum); + device_desc.bcdDevice = cpu_to_le16(gcnum); else { debug("%s: controller '%s' not recognized\n", shortname, gadget->name); |