USB HID: add 'quirks' module parameter
Add a 'quirks' module parameter for the usbhid module, so users can
add or modify quirks at module load time.
Signed-off-by: Paul Walmsley <paul@booyaka.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index bf118c0..91d6103 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -53,6 +53,13 @@
module_param_named(mousepoll, hid_mousepoll_interval, uint, 0644);
MODULE_PARM_DESC(mousepoll, "Polling interval of mice");
+/* Quirks specified at module load time */
+static char *quirks_param[MAX_USBHID_BOOT_QUIRKS] = { [ 0 ... (MAX_USBHID_BOOT_QUIRKS - 1) ] = NULL };
+module_param_array_named(quirks, quirks_param, charp, NULL, 0444);
+MODULE_PARM_DESC(quirks, "Add/modify USB HID quirks by specifying "
+ " quirks=vendorID:productID:quirks"
+ " where vendorID, productID, and quirks are all in"
+ " 0x-prefixed hex");
/*
* Input submission and I/O error handler.
*/
@@ -1072,6 +1079,9 @@
static int __init hid_init(void)
{
int retval;
+ retval = usbhid_quirks_init(quirks_param);
+ if (retval)
+ goto usbhid_quirks_init_fail;
retval = hiddev_init();
if (retval)
goto hiddev_init_fail;
@@ -1084,6 +1094,8 @@
usb_register_fail:
hiddev_exit();
hiddev_init_fail:
+ usbhid_quirks_exit();
+usbhid_quirks_init_fail:
return retval;
}
@@ -1091,6 +1103,7 @@
{
usb_deregister(&hid_driver);
hiddev_exit();
+ usbhid_quirks_exit();
}
module_init(hid_init);