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toshiba_acpi: Add alternative keymap support for Satellite M840

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Toshiba Satellite M840 laptop has a complete different keymap although
it's bound with the same ACPI ID "TOS1900".  This patch provides an
alternative keymap specific to this machine by identifying via DMI
matching.  The keymap table doesn't fill all entries that were used
before since some keys aren't found on this machine at all.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=69761
Bugzilla: https://bugzilla.novell.com/show_bug.cgi?id=812209
Reported-and-tested-by: Federico Vecchiarelli <fedev@gmx.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
This commit is contained in:
Takashi Iwai 2014-04-29 15:15:38 +02:00 committed by Matthew Garrett
parent 21a3542753
commit fe808bfb59
1 changed files with 29 additions and 1 deletions
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30
drivers/platform/x86/toshiba_acpi.c
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@ -56,6 +56,7 @@
#include <linux/workqueue.h>
#include <linux/i8042.h>
#include <linux/acpi.h>
#include <linux/dmi.h>
#include <asm/uaccess.h>
MODULE_AUTHOR("John Belmonte");
@ -213,6 +214,30 @@ static const struct key_entry toshiba_acpi_keymap[] = {
{ KE_END, 0 },
};
/* alternative keymap */
static const struct dmi_system_id toshiba_alt_keymap_dmi[] = {
{
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
DMI_MATCH(DMI_PRODUCT_NAME, "Satellite M840"),
},
},
{}
};
static const struct key_entry toshiba_acpi_alt_keymap[] = {
{ KE_KEY, 0x157, { KEY_MUTE } },
{ KE_KEY, 0x102, { KEY_ZOOMOUT } },
{ KE_KEY, 0x103, { KEY_ZOOMIN } },
{ KE_KEY, 0x139, { KEY_ZOOMRESET } },
{ KE_KEY, 0x13e, { KEY_SWITCHVIDEOMODE } },
{ KE_KEY, 0x13c, { KEY_BRIGHTNESSDOWN } },
{ KE_KEY, 0x13d, { KEY_BRIGHTNESSUP } },
{ KE_KEY, 0x158, { KEY_WLAN } },
{ KE_KEY, 0x13f, { KEY_TOUCHPAD_TOGGLE } },
{ KE_END, 0 },
};
/* utility
*/
@ -1440,6 +1465,7 @@ static int toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev)
acpi_handle ec_handle;
int error;
u32 hci_result;
const struct key_entry *keymap = toshiba_acpi_keymap;
dev->hotkey_dev = input_allocate_device();
if (!dev->hotkey_dev)
@ -1449,7 +1475,9 @@ static int toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev)
dev->hotkey_dev->phys = "toshiba_acpi/input0";
dev->hotkey_dev->id.bustype = BUS_HOST;
error = sparse_keymap_setup(dev->hotkey_dev, toshiba_acpi_keymap, NULL);
if (dmi_check_system(toshiba_alt_keymap_dmi))
keymap = toshiba_acpi_alt_keymap;
error = sparse_keymap_setup(dev->hotkey_dev, keymap, NULL);
if (error)
goto err_free_dev;