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Patch "HID: wacom: bits shifted too much for 9th and 10th buttons" has been added to the 4.9-stable tree

PATCH [email protected] 1 participant 1 message Oct 10, 2017

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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 4.9-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-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

Quoted 1 line

From ce06760ba46b66dae50f2519ae76bd15e89b5710 Mon Sep 17 00:00:00 2001

From: Ping Cheng <[email protected]>
Date: Thu, 31 Aug 2017 15:50:03 -0700
Subject: HID: wacom: bits shifted too much for 9th and 10th buttons

From: Ping Cheng <[email protected]>

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")
---
 drivers/hid/wacom_wac.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
drivers/hid/wacom_wac.c +2 -2
@@ -559,8 +559,8 @@ 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 [email protected] are

queue-4.9/hid-wacom-bits-shifted-too-much-for-9th-and-10th-buttons.patch