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/include/linux/hid.h b/include/linux/hid.h
index 4ba456d..37076b1 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -247,6 +247,11 @@
* HID device quirks.
*/
+/*
+ * Increase this if you need to configure more HID quirks at module load time
+ */
+#define MAX_USBHID_BOOT_QUIRKS 4
+
#define HID_QUIRK_INVERT 0x00000001
#define HID_QUIRK_NOTOUCH 0x00000002
#define HID_QUIRK_IGNORE 0x00000004
@@ -495,8 +500,11 @@
void hid_free_device(struct hid_device *device);
struct hid_device *hid_parse_report(__u8 *start, unsigned size);
+/* HID quirks API */
u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct);
int usbhid_modify_dquirk(const u16 idVendor, const u16 idProduct, const u32 quirks);
+int usbhid_quirks_init(char **quirks_param);
+void usbhid_quirks_exit(void);
#ifdef CONFIG_HID_FF
int hid_ff_init(struct hid_device *hid);