Re: [PATCH] i2c: acpi: Force ASUE140D touchpads to 100 kHz

[Andi Shyti]

Hi Harinn,

next time, please...

On Sun, Oct 04, 2026 at 05:59:53PM +0700, Harinn via B4 Relay wrote:
> From: Harinn <prinn.dev@xxxxx>
> 
> 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@xxxxx>

... try to use your full name and ...

> ---
>  drivers/i2c/i2c-core-acpi.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c
> index 8f3bdd50186e..e5b27375af31 100644
> --- a/drivers/i2c/i2c-core-acpi.c
> +++ b/drivers/i2c/i2c-core-acpi.c
> @@ -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 },

... develop your patches on top of the -next branch or i2c/i2c.
Your patch has a little conflict I had to fix.

I pushed your patch in i2c/i2c.

Thanks,
Andi

>  	{ "DLL0945", 0 },
>  	{ "ELAN0678", 0 },
>  	{ "ELAN06FA", 0 },