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Input: i8042 - add Lenovo ThinkPad L460 to i8042 reset list

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Reset i8042 before probing because of insufficient BIOS initialisation of
the i8042 serial controller. This makes Synaptics touchpad detection
possible. Without resetting the Synaptics touchpad is not detected because
there are always NACK messages from AUX port.

Signed-off-by: Dennis Wassenberg <dennis.wassenberg@secunet.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dennis Wassenberg 2018-03-08 15:32:09 -08:00 committed by Dmitry Torokhov
parent 5444a992b4
commit b56af54ac7
1 changed files with 7 additions and 0 deletions
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7
drivers/input/serio/i8042-x86ia64io.h
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@ -620,6 +620,13 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
},
},
{
/* Lenovo ThinkPad L460 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L460"),
},
},
{
/* Clevo P650RS, 650RP6, Sager NP8152-S, and others */
.matches = {