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-rw-r--r--drivers/input/mouse/psmouse-base.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 316105e30064..f12df771eeb2 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -119,6 +119,7 @@ struct psmouse_protocol {
enum psmouse_type type;
bool maxproto;
bool ignore_parity; /* Protocol should ignore parity errors from KBC */
+ bool try_passthru; /* Try protocol also on passthrough ports */
const char *name;
const char *alias;
int (*detect)(struct psmouse *, bool);
@@ -691,6 +692,7 @@ static const struct psmouse_protocol psmouse_protocols[] = {
.maxproto = true,
.ignore_parity = true,
.detect = ps2bare_detect,
+ .try_passthru = true,
},
#ifdef CONFIG_MOUSE_PS2_LOGIPS2PP
{
@@ -728,6 +730,7 @@ static const struct psmouse_protocol psmouse_protocols[] = {
.maxproto = true,
.ignore_parity = true,
.detect = intellimouse_detect,
+ .try_passthru = true,
},
{
.type = PSMOUSE_IMEX,
@@ -736,6 +739,7 @@ static const struct psmouse_protocol psmouse_protocols[] = {
.maxproto = true,
.ignore_parity = true,
.detect = im_explorer_detect,
+ .try_passthru = true,
},
#ifdef CONFIG_MOUSE_PS2_SYNAPTICS
{
@@ -777,6 +781,7 @@ static const struct psmouse_protocol psmouse_protocols[] = {
.name = "TPPS/2",
.alias = "trackpoint",
.detect = trackpoint_detect,
+ .try_passthru = true,
},
#endif
#ifdef CONFIG_MOUSE_PS2_TOUCHKIT
@@ -933,6 +938,11 @@ static bool psmouse_try_protocol(struct psmouse *psmouse,
if (!proto)
return false;
+ if (psmouse->ps2dev.serio->id.type == SERIO_PS_PSTHRU &&
+ !proto->try_passthru) {
+ return false;
+ }
+
if (set_properties)
psmouse_apply_defaults(psmouse);