Patch "HID: wacom: bits shifted too much for 9th and 10th buttons" has been added to the 4.13-stable tree

Patch "HID: wacom: bits shifted too much for 9th and 10th buttons" has been added to the 4.13-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    HID: wacom: bits shifted too much for 9th and 10th buttons

to the 4.13-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     hid-wacom-bits-shifted-too-much-for-9th-and-10th-buttons.patch
and it can be found in the queue-4.13 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From ce06760ba46b66dae50f2519ae76bd15e89b5710 Mon Sep 17 00:00:00 2001
From: Ping Cheng <pinglinux@gmail.com>
Date: Thu, 31 Aug 2017 15:50:03 -0700
Subject: HID: wacom: bits shifted too much for 9th and 10th buttons

From: Ping Cheng <pinglinux@gmail.com>

commit ce06760ba46b66dae50f2519ae76bd15e89b5710 upstream.

Cintiq 12 has 10 expresskey buttons. The bit shift for the last
two buttons were off by 5.

Fixes: c7f0522 ("HID: wacom: Slim down wacom_intuos_pad processing")

Signed-off-by: Ping Cheng <ping.cheng@wacom.com>
Tested-by: Matthieu Robin <matthieu@macolu.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Cc: Jason Gerecke <killertofu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/hid/wacom_wac.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -567,8 +567,8 @@ static int wacom_intuos_pad(struct wacom
 				keys = data[9] & 0x07;
 			}
 		} else {
-			buttons = ((data[6] & 0x10) << 10) |
-			          ((data[5] & 0x10) << 9)  |
+			buttons = ((data[6] & 0x10) << 5)  |
+			          ((data[5] & 0x10) << 4)  |
 			          ((data[6] & 0x0F) << 4)  |
 			          (data[5] & 0x0F);
 		}


Patches currently in stable-queue which might be from pinglinux@gmail.com are

queue-4.13/hid-wacom-bits-shifted-too-much-for-9th-and-10th-buttons.patch