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authorDennis Wassenberg <dennis.wassenberg@secunet.com>2018-03-08 15:32:09 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-04-08 11:49:48 +0200
commit7cbe0f9b5d862a3caef548977a50b6a2b12445ab (patch)
tree06a75c74f89f3444796abb00d7dc3e6d225ac895
parentddc867c1eea220ebd620107e43d0ff73a5a4dd56 (diff)
Input: i8042 - add Lenovo ThinkPad L460 to i8042 reset list
commit b56af54ac78c54a519d82813836f305d7f76ef27 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/input/serio/i8042-x86ia64io.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 7ddf667729e3..00b7f4ac0ef5 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -603,6 +603,13 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
},
},
{
+ /* 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 = {
DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),