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Input: i8042 - add Sony VAIOs to MUX blacklist 

The Sony VPCZ1 doesn't support active multiplexing and trying to enable
it causes keyboard to stop working. Since most (all?) VAIOs do not have
external PS/2 ports nor they implement active multiplexing properly, and
trying to enable MUX usually messes up keyboard/touchpad, let's simply
disable MUX probing based on board name (VAIO).

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Jesse Barnes 2010-11-04 08:38:18 -07:00 committed by Dmitry Torokhov
parent 111c182340
commit 73b14484fb
1 changed files with 11 additions and 0 deletions
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11
drivers/input/serio/i8042-x86ia64io.h
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@ -350,6 +350,17 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
},
},
{
/*
* Most (all?) VAIOs do not have external PS/2 ports nor
* they implement active multiplexing properly, and
* MUX discovery usually messes up keyboard/touchpad.
*/
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
},
},
{
/* Amoi M636/A737 */
.matches = {