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usb: gadget: push iSerialNumber into gadgets

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This patch pushes the iSerialNumber module argument from composite into
each gadget. Once the user uses the module paramter, the string is
overwritten with the final value.

Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Sebastian Andrzej Siewior 2012-09-10 15:01:54 +02:00 • committed by Felipe Balbi
parent 276e2e4f1f
commit 1cf0d26408
4 changed files with 41 additions and 13 deletions
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7
include/linux/usb/composite.h
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@ -400,6 +400,7 @@ struct usb_composite_overwrite {
u16 idVendor;
u16 idProduct;
u16 bcdDevice;
char *serial_number;
};
#define USB_GADGET_COMPOSITE_OPTIONS() \
static struct usb_composite_overwrite coverwrite; \
@ -411,7 +412,11 @@ struct usb_composite_overwrite {
MODULE_PARM_DESC(idProduct, "USB Product ID"); \
\
module_param_named(bcdDevice, coverwrite.bcdDevice, ushort, S_IRUGO); \
MODULE_PARM_DESC(bcdDevice, "USB Device version (BCD)")
MODULE_PARM_DESC(bcdDevice, "USB Device version (BCD)"); \
\
module_param_named(iSerialNumber, coverwrite.serial_number, charp, \
S_IRUGO); \
MODULE_PARM_DESC(iSerialNumber, "SerialNumber string")
void usb_composite_overwrite_options(struct usb_composite_dev *cdev,
struct usb_composite_overwrite *covr);