From: Po-Hsu Lin po-hsu.lin@canonical.com
commit a48491c65b513e5cdc3e7a886a4db915f848a5f5 upstream.
It looks like the C15B laptop got another vendor: ByteSpeed LLC.
Avoid AUX loopback on this touchpad as well, thus input subsystem will be able to recognize a Synaptics touchpad in the AUX port.
BugLink: https://bugs.launchpad.net/bugs/1906128 Signed-off-by: Po-Hsu Lin po-hsu.lin@canonical.com Link: https://lore.kernel.org/r/20201201054723.5939-1-po-hsu.lin@canonical.com Cc: stable@vger.kernel.org Signed-off-by: Dmitry Torokhov dmitry.torokhov@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/input/serio/i8042-x86ia64io.h | 4 ++++ 1 file changed, 4 insertions(+)
--- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -219,6 +219,10 @@ static const struct dmi_system_id __init DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"), DMI_MATCH(DMI_PRODUCT_NAME, "C15B"), }, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ByteSpeed LLC"), + DMI_MATCH(DMI_PRODUCT_NAME, "ByteSpeed Laptop C15B"), + }, }, { } };