Re: [PATCH] Input: i8042 - add Acer Aspire 5738z to nomux list

[Dmitry Torokhov <dmitry.torokhov@gmail.com>]

On Tue, Mar 31, 2020 at 02:39:47PM +0200, Hans de Goede wrote:
> The Acer Aspire 5738z has a button to disable (and re-enable) the
> touchpad next to the touchpad.
> 
> When this button is pressed a LED underneath indicates that the touchpad
> is disabled (and an event is send to userspace and GNOME shows its
> touchpad enabled / disable OSD thingie).
> 
> So far so good, but after re-enabling the touchpad it no longer works.
> 
> The laptop does not have an external ps2 port, so mux mode is not needed
> and disabling mux mode fixes the touchpad no longer working after toggling
> it off and back on again, so lets add this laptop model to the nomux list.
> 
> Signed-off-by: Hans de Goede <hdegoede@redhat.com>

Applied, thank you. Also marked for stable.

> ---
>  drivers/input/serio/i8042-x86ia64io.h | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
> index dc974c288e88..08e919dbeb5d 100644
> --- a/drivers/input/serio/i8042-x86ia64io.h
> +++ b/drivers/input/serio/i8042-x86ia64io.h
> @@ -530,6 +530,17 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
>  			DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"),
>  		},
>  	},
> +	{
> +		/*
> +		 * Acer Aspire 5738z
> +		 * Touchpad stops working in mux mode when dis- + re-enabled
> +		 * with the touchpad enable/disable toggle hotkey
> +		 */
> +		.matches = {
> +			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"),
> +		},
> +	},
>  	{ }
>  };
>  
> -- 
> 2.26.0
> 

-- 
Dmitry