Input: HID - add a quirk for the Apple Powermouse

Add a quirk for the Apple Powermouse, remapping GenericDesktop.Z to
Rel.HWheel, to allow horizontal scrolling in Linux.

Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

3 files changed, 7 insertions, 0 deletions

diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c
index 7d5eb4deb1ef..661709a35b0e 100644
--- a/drivers/usb/input/hid-core.c
+++ b/drivers/usb/input/hid-core.c
@@ -1442,6 +1442,8 @@ void hid_init_reports(struct hid_device *hid)
 #define USB_DEVICE_ID_NETWORKANALYSER   0x2020
 #define USB_DEVICE_ID_POWERCONTROL      0x2030
 
+#define USB_VENDOR_ID_APPLE             0x05ac
+#define USB_DEVICE_ID_APPLE_POWERMOUSE  0x0304
 
 /*
  * Alphabetically sorted blacklist by quirk type.
@@ -1546,6 +1548,7 @@ static struct hid_blacklist {
         { USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_USBHUB_KB, HID_QUIRK_NOGET},
         { USB_VENDOR_ID_TANGTOP, USB_DEVICE_ID_TANGTOP_USBPS2, HID_QUIRK_NOGET },
 
+        { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_POWERMOUSE, HID_QUIRK_2WHEEL_POWERMOUSE },
         { USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU, HID_QUIRK_2WHEEL_MOUSE_HACK_7 },
         { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE, HID_QUIRK_2WHEEL_MOUSE_HACK_5 },
 
diff --git a/drivers/usb/input/hid-input.c b/drivers/usb/input/hid-input.c
index 22f9d919a3f2..14acfc579f86 100644
--- a/drivers/usb/input/hid-input.c
+++ b/drivers/usb/input/hid-input.c
@@ -396,6 +396,9 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
         if (usage->code > max)
                 goto ignore;
 
+        if (((device->quirks & (HID_QUIRK_2WHEEL_POWERMOUSE)) && (usage->hid == 0x00010032)))
+                map_rel(REL_HWHEEL);
+
         if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
                  (usage->type == EV_REL) && (usage->code == REL_WHEEL))
                         set_bit(REL_HWHEEL, bit);
diff --git a/drivers/usb/input/hid.h b/drivers/usb/input/hid.h
index d76bbc81f6a8..47f75a43a468 100644
--- a/drivers/usb/input/hid.h
+++ b/drivers/usb/input/hid.h
@@ -245,6 +245,7 @@ struct hid_item {
 #define HID_QUIRK_2WHEEL_MOUSE_HACK_7           0x080
 #define HID_QUIRK_2WHEEL_MOUSE_HACK_5           0x100
 #define HID_QUIRK_2WHEEL_MOUSE_HACK_ON          0x200
+#define HID_QUIRK_2WHEEL_POWERMOUSE             0x400
 
 /*
  * This is the global environment of the parser. This information is