On Mon, Dec 24, 2018 at 10:28:45AM +0100, Ingo Lafrenz wrote:
> Add ELAN061A to the ACPI table to support Elan touchpad found in Lenovo
> V130-15IGM laptops
>
> Signed-off-by: Ingo Lafrenz <ich+linux@xxxxxxxxxxx>
>
> ---
> I have tested this successfully against the 4.19.11 kernel. Please note
> that since kernel v4.18 the driver generates a looot of 'invalid report
> id data (ff)' messages with this touchpad. So even the touchpad seems
> fully functional for me there might be more to it than just adding the ID.
> Please consider this when taking this patch, otherwise the logs will
> be flooded with tons of messages.
Are you saying that with this patch applied to 4.18 you do not see the
"ff" flood? After 4.18 I only see additions of ACPI IDs to the driver,
any chance you could bisect to see what causes invalid report messages?
>
> diff --git a/drivers/input/mouse/elan_i2c_core.c
> b/drivers/input/mouse/elan_i2c_core.c
> index 2690a4b7ed53..7cacacfb90e3 100644
> --- a/drivers/input/mouse/elan_i2c_core.c
> +++ b/drivers/input/mouse/elan_i2c_core.c
> @@ -1344,6 +1344,7 @@ static const struct acpi_device_id elan_acpi_id[] = {
> { "ELAN060B", 0 },
> { "ELAN060C", 0 },
> { "ELAN0611", 0 },
> + { "ELAN061A", 0 },
> { "ELAN1000", 0 },
> { }
> };
>
Thanks.
--
Dmitry
