linux-kernel - [PATCH 1/2] Input - Wacom: Fix transfer header problem

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Date:	Sat, 26 Jul 2014 12:59:28 +0100
From:	Przemo Firszt <przemo@...szt.eu>
To:	benjamin.tissoires@...hat.com
Cc:	dmitry.torokhov@...il.com, jkosina@...e.cz, pinglinux@...il.com,
	killertofu@...il.com, linux-kernel@...r.kernel.org,
	linux-input@...r.kernel.org, Przemo Firszt <przemo@...szt.eu>
Subject: [PATCH 1/2] Input - Wacom: Fix transfer header problem

Header of transfer of image is different depending on connection type.
That patch should be probably merged with 462c52a8cbcc62c
Input - wacom: Check for bluetooth protocol while setting OLEDs

Signed-off-by: Przemo Firszt <przemo@...szt.eu>
---
 drivers/hid/wacom_sys.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index 42f139f..51437e2 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -19,6 +19,7 @@
 
 #define WAC_CMD_LED_CONTROL	0x20
 #define WAC_CMD_ICON_START	0x21
+#define WAC_CMD_ICON_BT_XFER	0x26
 #define WAC_CMD_ICON_XFER	0x23
 #define WAC_CMD_RETRIES		10
 
@@ -550,7 +551,7 @@ static int wacom_led_putimage(struct wacom *wacom, int button_id,
 	if (retval < 0)
 		goto out;
 
-	buf[0] = WAC_CMD_ICON_XFER;
+	buf[0] = len == 256 ? WAC_CMD_ICON_BT_XFER : WAC_CMD_ICON_XFER;
 	buf[1] = button_id & 0x07;
 	for (i = 0; i < 4; i++) {
 		buf[2] = i;
-- 
1.9.3

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