This is a note to let you know that I've just added the patch titled
Input: synaptics - do not retrieve the board id on old firmwares
to the 3.19-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:
input-synaptics-do-not-retrieve-the-board-id-on-old-firmwares.patch
and it can be found in the queue-3.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From b57a7128be24062b5b5b26032b7cd58f1651547e Mon Sep 17 00:00:00 2001
From: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
Date: Sun, 8 Mar 2015 22:33:36 -0700
Subject: Input: synaptics - do not retrieve the board id on old firmwares
From: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
commit b57a7128be24062b5b5b26032b7cd58f1651547e upstream.
The board id capability has been added in firmware 7.5.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
Acked-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/input/mouse/synaptics.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -250,6 +250,10 @@ static int synaptics_board_id(struct psm
struct synaptics_data *priv = psmouse->private;
unsigned char bid[3];
+ /* firmwares prior 7.5 have no board_id encoded */
+ if (SYN_ID_FULL(priv->identity) < 0x705)
+ return 0;
+
if (synaptics_send_cmd(psmouse, SYN_QUE_MODES, bid))
return -1;
priv->board_id = ((bid[0] & 0xfc) << 6) | bid[1];
Patches currently in stable-queue which might be from benjamin.tissoires@xxxxxxxxxx are
queue-3.19/input-synaptics-query-min-dimensions-for-fw-v8.1.patch
queue-3.19/input-synaptics-fix-middle-button-on-lenovo-2015-products.patch
queue-3.19/input-synaptics-do-not-retrieve-the-board-id-on-old-firmwares.patch
queue-3.19/input-synaptics-handle-spurious-release-of-trackstick-buttons.patch
queue-3.19/input-synaptics-skip-quirks-when-post-2013-dimensions.patch
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