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Input: elantech - add Fujitsu Lifebook E547 to force crc_enabled

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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.

Cc: stable@vger.kernel.org
Signed-off-by: Thorsten Leemhuis <linux@leemhuis.info>
Reviewed-by: Ulrik De Bie <ulrik.debie-os@e2big.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Thorsten Leemhuis 2017-04-18 11:14:28 -07:00 committed by Dmitry Torokhov
parent 5376366886
commit 704de489e0
1 changed files with 8 additions and 0 deletions
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8
drivers/input/mouse/elantech.c
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@ -1118,6 +1118,7 @@ static int elantech_get_resolution_v4(struct psmouse *psmouse,
* Asus UX32VD 0x361f02 00, 15, 0e clickpad * Asus UX32VD 0x361f02 00, 15, 0e clickpad
* Avatar AVIU-145A2 0x361f00 ? clickpad * Avatar AVIU-145A2 0x361f00 ? clickpad
* Fujitsu LIFEBOOK E544 0x470f00 d0, 12, 09 2 hw buttons * 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 LIFEBOOK E554 0x570f01 40, 14, 0c 2 hw buttons
* Fujitsu T725 0x470f01 05, 12, 09 2 hw buttons * Fujitsu T725 0x470f01 05, 12, 09 2 hw buttons
* Fujitsu H730 0x570f00 c0, 14, 0c 3 hw buttons (**) * Fujitsu H730 0x570f00 c0, 14, 0c 3 hw buttons (**)
@ -1523,6 +1524,13 @@ static const struct dmi_system_id elantech_dmi_force_crc_enabled[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E544"), DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E544"),
}, },
}, },
{
/* 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 */ /* Fujitsu LIFEBOOK E554 does not work with crc_enabled == 0 */
.matches = { .matches = {