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@xxxxxxxxxxxxxxx> know about it. >From ce06760ba46b66dae50f2519ae76bd15e89b5710 Mon Sep 17 00:00:00 2001 From: Ping Cheng <pinglinux@xxxxxxxxx> 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@xxxxxxxxx> 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@xxxxxxxxx> Tested-by: Matthieu Robin <matthieu@xxxxxxxxxx> Signed-off-by: Jiri Kosina <jkosina@xxxxxxx> Cc: Jason Gerecke <killertofu@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 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@xxxxxxxxx are queue-4.13/hid-wacom-bits-shifted-too-much-for-9th-and-10th-buttons.patch