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Input: i8042 - add TUXEDO BU1406 (N24_25BU) to the nomux list

PATCH In review Dmitry Torokhov 2 participants 2 messages Mar 1, 2017

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Dmitry Torokhov

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#0 lore raw

PATCH 1/1 Input: i8042 - add TUXEDO BU1406 (N24_25BU) to the nomux list

TUXEDO BU1406 does not implement active multiplexing mode properly, and takes around 550 ms in i8042_set_mux_mode(). Given that the device does not have external AUX port, there is no downside in disabling the MUX mode.

Reported-by Paul Menzel <[email protected]>
Suggested-by Vojtech Pavlik <[email protected]>
Signed-off-by Dmitry Torokhov <[email protected]>
---
 drivers/input/serio/i8042-x86ia64io.h | 7 +++++++
 1 file changed, 7 insertions(+)
drivers/input/serio/i8042-x86ia64io.h +7 -0
index 0b9b9997fa4c..77c8f574f286 100644
@@ -521,6 +521,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
 			DMI_MATCH(DMI_PRODUCT_VERSION, "V1.31"),
 		},
 	},
+	{
+		/* TUXEDO BU1406 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"),
+		},
+	},
 	{ }
 };
Signature · 5 lines
2.11.0.483.g087da7b7c-goog


-- 
Dmitry
Reviewed-by on v1 1/1
#1 lore raw
Quoted 19 lines · Dmitry Torokhov

TUXEDO BU1406 does not implement active multiplexing mode properly, and takes around 550 ms in i8042_set_mux_mode(). Given that the device does not have external AUX port, there is no downside in disabling the MUX mode.

Reported-by Paul Menzel <[email protected]>
Suggested-by Vojtech Pavlik <[email protected]>
Signed-off-by Dmitry Torokhov <[email protected]>
---
 drivers/input/serio/i8042-x86ia64io.h | 7 +++++++
 1 file changed, 7 insertions(+)
drivers/input/serio/i8042-x86ia64io.h +0 -0
index 0b9b9997fa4c..77c8f574f286 100644
@@ -521,6 +521,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
 			DMI_MATCH(DMI_PRODUCT_VERSION, "V1.31"),
 		},

drivers/input/serio/i8042-x86ia64io.h static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = { · line 532

Quoted 10 lines
drivers/input/serio/i8042-x86ia64io.h +7 -0
 	},
+	{
+		/* TUXEDO BU1406 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"),
+		},
+	},
 	{ }
 };
Reviewed-by Marcos Paulo de Souza <[email protected]>
Quoted 11 lines
Signature · 10 lines
-- 
2.11.0.483.g087da7b7c-goog


-- 
Dmitry
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Signature · 2 lines
Thanks,
	Marcos