This is a note to let you know that I've just added the patch titled Input: elantech - add Fujitsu Lifebook E547 to force crc_enabled to the 3.18-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-elantech-add-fujitsu-lifebook-e547-to-force-crc_enabled.patch and it can be found in the queue-3.18 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 704de489e0e3640a2ee2d0daf173e9f7375582ba Mon Sep 17 00:00:00 2001 From: Thorsten Leemhuis <linux@xxxxxxxxxxxxx> Date: Tue, 18 Apr 2017 11:14:28 -0700 Subject: Input: elantech - add Fujitsu Lifebook E547 to force crc_enabled From: Thorsten Leemhuis <linux@xxxxxxxxxxxxx> commit 704de489e0e3640a2ee2d0daf173e9f7375582ba upstream. Temporary got a Lifebook E547 into my hands and noticed the touchpad only works after running: echo "1" > /sys/devices/platform/i8042/serio2/crc_enabled Add it to the list of machines that need this workaround. Signed-off-by: Thorsten Leemhuis <linux@xxxxxxxxxxxxx> Reviewed-by: Ulrik De Bie <ulrik.debie-os@xxxxxxxxx> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/input/mouse/elantech.c | 8 ++++++++ 1 file changed, 8 insertions(+) --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1115,6 +1115,7 @@ static int elantech_get_resolution_v4(st * Asus UX32VD 0x361f02 00, 15, 0e clickpad * Avatar AVIU-145A2 0x361f00 ? clickpad * Fujitsu LIFEBOOK E544 0x470f00 d0, 12, 09 2 hw buttons + * Fujitsu LIFEBOOK E547 0x470f00 50, 12, 09 2 hw buttons * Fujitsu LIFEBOOK E554 0x570f01 40, 14, 0c 2 hw buttons * Fujitsu H730 0x570f00 c0, 14, 0c 3 hw buttons (**) * Gigabyte U2442 0x450f01 58, 17, 0c 2 hw buttons @@ -1496,6 +1497,13 @@ static const struct dmi_system_id elante }, }, { + /* Fujitsu LIFEBOOK E547 does not work with crc_enabled == 0 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E547"), + }, + }, + { /* Fujitsu LIFEBOOK E554 does not work with crc_enabled == 0 */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), Patches currently in stable-queue which might be from linux@xxxxxxxxxxxxx are queue-3.18/input-elantech-add-fujitsu-lifebook-e547-to-force-crc_enabled.patch