diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 10d51c2f10d712b179f5e6f67d0b9032bb42b75c..6b1054387023abc5855ae54262362d23b574efb2 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1237,7 +1237,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
i8042.noloop [HW] Disable the AUX Loopback command while probing
for the AUX port
i8042.nomux [HW] Don't check presence of an active multiplexing
- controller
+ controller. Default: true.
i8042.nopnp [HW] Don't use ACPIPnP / PnPBIOS to discover KBD/AUX
controllers
i8042.notimeout [HW] Ignore timeout condition signalled by controller
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 4a6d05d8210c519c8b00a62e76c3a68b22e58db1..a0bcbb64d06d8eebc98ec147987cd75b875db251 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -207,282 +207,17 @@ static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = {
};
/*
- * Some Fujitsu notebooks are having trouble with touchpads if
- * active multiplexing mode is activated. Luckily they don't have
- * external PS/2 ports so we can safely disable it.
- * ... apparently some Toshibas don't like MUX mode either and
- * die horrible death on reboot.
+ * Some laptops do implement active multiplexing mode correctly;
+ * unfortunately they are in minority.
*/
-static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
- {
- /* Fujitsu Lifebook P7010/P7010D */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
- DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
- },
- },
- {
- /* Fujitsu Lifebook P7010 */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
- DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
- },
- },
- {
- /* Fujitsu Lifebook P5020D */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
- DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
- },
- },
- {
- /* Fujitsu Lifebook S2000 */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
- DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
- },
- },
- {
- /* Fujitsu Lifebook S6230 */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
- DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
- },
- },
- {
- /* Fujitsu T70H */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
- DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
- },
- },
- {
- /* Fujitsu-Siemens Lifebook T3010 */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
- DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
- },
- },
- {
- /* Fujitsu-Siemens Lifebook E4010 */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
- DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
- },
- },
- {
- /* Fujitsu-Siemens Amilo Pro 2010 */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
- DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
- },
- },
- {
- /* Fujitsu-Siemens Amilo Pro 2030 */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
- DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
- },
- },
- {
- /*
- * No data is coming from the touchscreen unless KBC
- * is in legacy mode.
- */
- /* Panasonic CF-29 */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
- DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
- },
- },
- {
- /*
- * HP Pavilion DV4017EA -
- * errors on MUX ports are reported without raising AUXDATA
- * causing "spurious NAK" messages.
- */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
- DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
- },
- },
- {
- /*
- * HP Pavilion ZT1000 -
- * like DV4017EA does not raise AUXERR for errors on MUX ports.
- */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
- DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
- DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
- },
- },
+static const struct dmi_system_id __initconst i8042_dmi_mux_table[] = {
{
/*
- * HP Pavilion DV4270ca -
- * like DV4017EA does not raise AUXERR for errors on MUX ports.
+ * Panasonic CF-18 needs to be in MUX mode since the
+ * touchscreen is on serio3 and it also has touchpad.
*/
.matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
- DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
- },
- },
- {
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
- DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
- },
- },
- {
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
- DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
- },
- },
- {
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
- DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
- },
- },
- {
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
- DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
- },
- },
- {
- /* Sharp Actius MM20 */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
- DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
- },
- },
- {
- /* Sony Vaio FS-115b */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
- DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
- },
- },
- {
- /*
- * Sony Vaio FZ-240E -
- * reset and GET ID commands issued via KBD port are
- * sometimes being delivered to AUX3.
- */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
- 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 = {
- DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
- DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
- },
- },
- {
- /* Lenovo 3000 n100 */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
- DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
- },
- },
- {
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
- DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
- },
- },
- {
- /* Acer Aspire 5710 */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
- DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
- },
- },
- {
- /* Gericom Bellagio */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
- DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
- },
- },
- {
- /* IBM 2656 */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
- DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
- },
- },
- {
- /* Dell XPS M1530 */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
- },
- },
- {
- /* Compal HEL80I */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
- DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
- },
- },
- {
- /* Dell Vostro 1510 */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
- },
- },
- {
- /* Acer Aspire 5536 */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
- DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
- DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
- },
- },
- {
- /* Dell Vostro V13 */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
- },
- },
- {
- /* Newer HP Pavilion dv4 models */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
- DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
- },
- },
- {
- /* Asus X450LCP */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
- DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
- },
- },
- {
- /* Avatar AVIU-145A6 */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
- DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "CF-18"),
},
},
{ }
@@ -1005,8 +740,8 @@ static int __init i8042_platform_init(void)
if (dmi_check_system(i8042_dmi_noloop_table))
i8042_noloop = true;
- if (dmi_check_system(i8042_dmi_nomux_table))
- i8042_nomux = true;
+ if (dmi_check_system(i8042_dmi_mux_table))
+ i8042_nomux = false;
if (dmi_check_system(i8042_dmi_notimeout_table))
i8042_notimeout = true;
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index f5a98af3b325c1f3257759e31a450c67b2fa00a5..9a97c2b10926c953e937a6a5a2a99e87e7215182 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -39,7 +39,7 @@ static bool i8042_noaux;
module_param_named(noaux, i8042_noaux, bool, 0);
MODULE_PARM_DESC(noaux, "Do not probe or use AUX (mouse) port.");
-static bool i8042_nomux;
+static bool i8042_nomux = true;
module_param_named(nomux, i8042_nomux, bool, 0);
MODULE_PARM_DESC(nomux, "Do not check whether an active multiplexing controller is present.");