[PATCH v2] HID: wacom: remove the extra Pen interface for Wacom Bamboo PAD

From: Benjamin Tissoires
Date: Thu Jul 09 2015 - 14:12:03 EST


As mentioned in the comment in the code, both the pen and touch data
come from the interface tagged as BAMBOO_PAD. The driver re-routes the
events for the Pen to the generic HID interface and keeps the ones for
the touch through this current interface.

Clearing the WACOM_DEVICETYPE_PEN bit removes the extra unused interface
added in 2a6cdbd ("HID: wacom: Introduce new 'touch_input' device") and
makes the Bamboo PAD to behave like in 4.1.

Reviewed-by: Jason Gerecke <jason.gerecke@xxxxxxxxx>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
---
drivers/hid/wacom_wac.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index 0d24423..baba9a0 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -2223,10 +2223,10 @@ void wacom_setup_device_quirks(struct wacom *wacom)
* 0, whose HID descriptor has an application usage of 0xFF0D
* (i.e., WACOM_VENDORDEFINED_PEN). We route pen packets back
* out through the HID_GENERIC device created for interface 1,
- * so rewrite this one to be of type BTN_TOOL_FINGER.
+ * so rewrite this one to be of type WACOM_DEVICETYPE_TOUCH.
*/
if (features->type == BAMBOO_PAD)
- features->device_type |= WACOM_DEVICETYPE_TOUCH;
+ features->device_type = WACOM_DEVICETYPE_TOUCH;

if (wacom->hdev->bus == BUS_BLUETOOTH)
features->quirks |= WACOM_QUIRK_BATTERY;
--
2.4.3

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