diff options
Diffstat (limited to 'drivers/input/serio')
| -rw-r--r-- | drivers/input/serio/i8042-x86ia64io.h | 49 | ||||
| -rw-r--r-- | drivers/input/serio/i8042.c | 14 |
2 files changed, 63 insertions, 0 deletions
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index c5e68dcd88a..4f6384d8e09 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -277,6 +277,50 @@ static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = { #endif +#ifdef CONFIG_X86 + +#include <linux/dmi.h> + +/* + * Some Wistron based laptops need us to explicitly enable the 'Dritek + * keyboard extension' to make their extra keys start generating scancodes. + * Originally, this was just confined to older laptops, but a few Acer laptops + * have turned up in 2007 that also need this again. + */ +static struct dmi_system_id __initdata i8042_dmi_dritek_table[] = { + { + .ident = "Acer Aspire 5630", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"), + }, + }, + { + .ident = "Acer Aspire 5650", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"), + }, + }, + { + .ident = "Acer Aspire 5680", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"), + }, + }, + { + .ident = "Acer TravelMate 2490", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"), + }, + }, + { } +}; + +#endif /* CONFIG_X86 */ + #ifdef CONFIG_PNP #include <linux/pnp.h> @@ -520,6 +564,11 @@ static int __init i8042_platform_init(void) i8042_nomux = 1; #endif +#ifdef CONFIG_X86 + if (dmi_check_system(i8042_dmi_dritek_table)) + i8042_dritek = 1; +#endif /* CONFIG_X86 */ + return retval; } diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index cbe83bf294c..1f73cf72a7c 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -63,6 +63,12 @@ static unsigned int i8042_blink_frequency = 500; module_param_named(panicblink, i8042_blink_frequency, uint, 0600); MODULE_PARM_DESC(panicblink, "Frequency with which keyboard LEDs should blink when kernel panics"); +#ifdef CONFIG_X86 +static unsigned int i8042_dritek; +module_param_named(dritek, i8042_dritek, bool, 0); +MODULE_PARM_DESC(dritek, "Force enable the Dritek keyboard extension"); +#endif + #ifdef CONFIG_PNP static int i8042_nopnp; module_param_named(nopnp, i8042_nopnp, bool, 0); @@ -1145,6 +1151,7 @@ static int __devinit i8042_setup_kbd(void) static int __devinit i8042_probe(struct platform_device *dev) { int error; + char param; error = i8042_controller_selftest(); if (error) @@ -1166,6 +1173,13 @@ static int __devinit i8042_probe(struct platform_device *dev) goto out_fail; } + if (i8042_dritek) { + param = 0x90; + error = i8042_command(¶m, 0x1059); + if (error) + goto out_fail; + } + /* * Ok, everything is ready, let's register all serio ports */ |