HID: separate hid-input event quirks from generic code

This patch separates also the hid-input quirks that have to be
applied at the time the event occurs, so that the generic code
handling HUT-compliant devices is not messed up by them too much.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 64 insertions, 1 deletions

diff --git a/drivers/hid/hid-input-quirks.c b/drivers/hid/hid-input-quirks.c
index e05e9ad5522e..7f2f80b00d74 100644
--- a/drivers/hid/hid-input-quirks.c
+++ b/drivers/hid/hid-input-quirks.c
@@ -322,5 +322,68 @@ int hidinput_mapping_quirks(struct hid_usage *usage,
         }
         return 0;
 }
-EXPORT_SYMBOL_GPL(hidinput_mapping_quirks);
+
+#define IS_MS_KB(x) (x->vendor == 0x045e && (x->product == 0x00db || x->product == 0x00f9))
+
+void hidinput_event_quirks(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
+{
+        struct input_dev *input;
+        unsigned *quirks = &hid->quirks;
+
+        input = field->hidinput->input;
+
+        if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
+                || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
+                if (value) hid->quirks |=  HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
+                else       hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
+                return;
+        }
+
+        if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_B8) &&
+                        (usage->type == EV_REL) &&
+                        (usage->code == REL_WHEEL)) {
+                hid->delayed_value = value;
+                return;
+        }
+
+        if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_B8) &&
+                        (usage->hid == 0x000100b8)) {
+                input_event(input, EV_REL, value ? REL_HWHEEL : REL_WHEEL, hid->delayed_value);
+                return;
+        }
+
+        if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
+                input_event(input, usage->type, usage->code, -value);
+                return;
+        }
+
+        if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
+                input_event(input, usage->type, REL_HWHEEL, value);
+                return;
+        }
+
+        if ((hid->quirks & HID_QUIRK_APPLE_HAS_FN) && hidinput_apple_event(hid, input, usage, value))
+                return;
+
+        /* Handling MS keyboards special buttons */
+        if (IS_MS_KB(hid) && usage->hid == (HID_UP_MSVENDOR | 0xff05)) {
+                int key = 0;
+                static int last_key = 0;
+                switch (value) {
+                        case 0x01: key = KEY_F14; break;
+                        case 0x02: key = KEY_F15; break;
+                        case 0x04: key = KEY_F16; break;
+                        case 0x08: key = KEY_F17; break;
+                        case 0x10: key = KEY_F18; break;
+                        default: break;
+                }
+                if (key) {
+                        input_event(input, usage->type, key, 1);
+                        last_key = key;
+                } else {
+                        input_event(input, usage->type, last_key, 0);
+                }
+        }
+}
+