2020-12-01 05:54:18

by Po-Hsu Lin

Subject: [PATCH] Input: i8042 - Add ByteSpeed touchpad to noloop table

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 <[email protected]>
---
drivers/input/serio/i8042-x86ia64io.h | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index a4c9b96..7ecb651 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -219,6 +219,10 @@ static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = {
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"),
+ },
},
{ }
};
--
2.7.4

2020-12-01 06:48:45

by Dmitry Torokhov

Subject: Re: [PATCH] Input: i8042 - Add ByteSpeed touchpad to noloop table

On Tue, Dec 01, 2020 at 01:47:23PM +0800, Po-Hsu Lin wrote:
> 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 <[email protected]>

Applied, thank you.

--
Dmitry