| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 045/177] Input: i8042 - add TUXEDO BU1406 (N24_25BU) to the nomux list | Date | Mon, 18 Dec 2017 16:47:48 +0100 |
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4.9-stable review patch. If anyone has any objections, please let me know.
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From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
[ Upstream commit a4c2a13129f7c5bcf81704c06851601593303fd5 ]
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 <pmenzel@molgen.mpg.de> Suggested-by: Vojtech Pavlik <vojtech@suse.cz> Reviewed-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/input/serio/i8042-x86ia64io.h | 7 +++++++ 1 file changed, 7 insertions(+)
--- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -520,6 +520,13 @@ static const struct dmi_system_id __init DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"), }, }, + { + /* TUXEDO BU1406 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Notebook"), + DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"), + }, + }, { } };
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