HID: add HID_QUIRK_HIDINPUT_FORCE

For devices with exotic HID report descriptors, it might be necessary to
make the HID core force the registration of an input device. Make that
possible by introducing a new quirk type.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

2 files changed, 3 insertions, 0 deletions

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 866e54ec5fb2..7ccee899b59e 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1157,6 +1157,8 @@ int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
 
         if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
                 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
+        if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
+                connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
         if (hdev->bus != BUS_USB)
                 connect_mask &= ~HID_CONNECT_HIDDEV;
         if (hid_hiddev(hdev))
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 895001f7f4b2..42a0f1d11365 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -311,6 +311,7 @@ struct hid_item {
 #define HID_QUIRK_HIDDEV_FORCE                  0x00000010
 #define HID_QUIRK_BADPAD                        0x00000020
 #define HID_QUIRK_MULTI_INPUT                   0x00000040
+#define HID_QUIRK_HIDINPUT_FORCE                0x00000080
 #define HID_QUIRK_SKIP_OUTPUT_REPORTS           0x00010000
 #define HID_QUIRK_FULLSPEED_INTERVAL            0x10000000
 #define HID_QUIRK_NO_INIT_REPORTS               0x20000000