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i2c: acpi: Force ASUE140D touchpads to 100 kHz

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The ASUE140D touchpad on the ASUS Zenbook UX3404VC (BIOS UX3404VC.303)
starts lagging shortly after boot when the bus runs at the 400 kHz the
DSDT asks for, and only recovers after rebinding i2c-hid. Forcing
100 kHz fixes it.

Signed-off-by: Harinn <prinn.dev@pm.me>
Acked-by: Mika Westerberg <westeri@kernel.org>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://patch.msgid.link/20261004-i2c-acpi-asue140d-100khz-v1-1-cc2dbad00470@pm.me
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Harinn 2026-10-04 17:59:53 +07:00 committed by Andi Shyti
parent fa1eb3af12
commit 249fa862de
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drivers/i2c/i2c-core-acpi.c
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@ -371,6 +371,7 @@ static const struct acpi_device_id i2c_acpi_force_100khz_device_ids[] = {
* the device works without issues on Windows at what is expected to be
* a 400KHz frequency. The root cause of the issue is not known.
*/
{ "ASUE140D", 0 },
{ "DELL0A86", 0 },
{ "DLL0945", 0 },
{ "ELAN0678", 0 },