Thread (2 messages) 2 messages, 2 authors, 2017-09-06

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

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STALE3318d REVIEWED: 1 (0M)

From: Ping Cheng <hidden>
Date: 2017-08-31 22:50:12
Subsystem: hid core layer, hid wacom driver, the rest · Maintainers: Jiri Kosina, Benjamin Tissoires, Ping Cheng, Jason Gerecke, Linus Torvalds

1 review trailer.

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 <redacted>
---
 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 9f94029..801889c 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -567,8 +567,8 @@ static int wacom_intuos_pad(struct wacom_wac *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);
 		}
-- 
2.7.4
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