Hi Dmitry, -----Original Message----- From: Dmitry Torokhov [mailto:dmitry.torokhov@xxxxxxxxx] Sent: Wednesday, February 06, 2019 8:43 AM To: Patrick Dreyer; 廖崇榮 Cc: linux-input@xxxxxxxxxxxxxxx; pbreuch@xxxxxxxxxxx; mt-ml@xxxxxx Subject: Re: [PATCH] elan_i2c_core: Add ACPI ID for ASUS Aspire F5-573G Hi Patrick, On Sun, Dec 23, 2018 at 7:37 AM Patrick Dreyer <Patrick@xxxxxxxxxxx> wrote: > > Problem: > Multi touchpad is not recognized on ASUS Aspire F5-573G. > > Description: > Add ELAN0501 to the ACPI table to support Elan touchpad found in ASUS > Aspire F5-573G > > Patch: > > --- input/drivers/input/mouse/elan_i2c_core.c.orig 2018-12-23 16:20:37.737166868 +0100 > +++ input/drivers/input/mouse/elan_i2c_core.c 2018-12-23 16:20:00.889663448 +0100 > @@ -1336,6 +1336,7 @@ MODULE_DEVICE_TABLE(i2c, elan_id); static const > struct acpi_device_id elan_acpi_id[] = { > { "ELAN0000", 0 }, > { "ELAN0100", 0 }, > + { "ELAN0501", 0 }, > { "ELAN0600", 0 }, > { "ELAN0602", 0 }, > { "ELAN0605", 0 }, > > Signed-off-by: Patrick Dreyer <Patrick.Dreyer@xxxxxxxxx> Apparently this breaks Acer Aspire V-371 (https://bugzilla.kernel.org/show_bug.cgi?id=202503) and some others. Patrick, have you tried running i2c-hid/hid-multitouch on your device? KT, do you know what driver should be used with ELAN0501 devices? Our PM confirm that Acer Aspire F5-573G is MS Precision touchpad which should use hid multitouch driver. Thanks. -- Dmitry
