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Date: Tue, 25 Apr 2017 16:08:44 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Thorsten Leemhuis <linux@...mhuis.info>, Ulrik De Bie <ulrik.debie-os@...ig.org>, Dmitry Torokhov <dmitry.torokhov@...il.com> Subject: [PATCH 4.4 13/28] Input: elantech - add Fujitsu Lifebook E547 to force crc_enabled 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Thorsten Leemhuis <linux@...mhuis.info> 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@...mhuis.info> Reviewed-by: Ulrik De Bie <ulrik.debie-os@...ig.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/input/mouse/elantech.c | 8 ++++++++ 1 file changed, 8 insertions(+) --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1122,6 +1122,7 @@ 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 T725 0x470f01 05, 12, 09 2 hw buttons * Fujitsu H730 0x570f00 c0, 14, 0c 3 hw buttons (**) @@ -1528,6 +1529,13 @@ 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"),
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