From: Patrick Scheuring <patrick.scheuring.dev@xxxxxxxxx>
The Schenker XMG C504 is a rebranded Gigabyte P35 v2 laptop.
Therefore it also needs a keyboard reset to detect the Elantech touchpad.
Otherwise the touchpad appears to be dead.
With this patch the touchpad is detected:
$ dmesg | grep -E "(i8042|Elantech|elantech)"
[ 2.675399] i8042: PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:PS2M] at 0x60,0x64 irq 1,12
[ 2.680372] i8042: Attempting to reset device connected to KBD port
[ 2.789037] serio: i8042 KBD port at 0x60,0x64 irq 1
[ 2.791586] serio: i8042 AUX port at 0x60,0x64 irq 12
[ 2.813840] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4
[ 3.811431] psmouse serio1: elantech: assuming hardware version 4 (with firmware version 0x361f0e)
[ 3.825424] psmouse serio1: elantech: Synaptics capabilities query result 0x00, 0x15, 0x0f.
[ 3.839424] psmouse serio1: elantech: Elan sample query result 03, 58, 74
[ 3.911349] input: ETPS/2 Elantech Touchpad as /devices/platform/i8042/serio1/input/input6
Signed-off-by: Patrick Scheuring <patrick.scheuring.dev@xxxxxxxxx>
---
drivers/input/serio/i8042-x86ia64io.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 68f5f4a..4187019 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -793,6 +793,13 @@ static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
},
},
+ {
+ /* Schenker XMG C504 - Elantech touchpad */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
+ },
+ },
{ }
};
--
2.9.3
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