1 files changed, 27 insertions, 0 deletions

diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c
index 4aa867a9b88b..9f6e64302b45 100644
--- a/drivers/platform/x86/eeepc-wmi.c
+++ b/drivers/platform/x86/eeepc-wmi.c
@@ -56,6 +56,11 @@ MODULE_PARM_DESC(hotplug_wireless,
                  "If your laptop needs that, please report to "
                  "acpi4asus-user@lists.sourceforge.net.");
 
+/* Values for T101MT "Home" key */
+#define HOME_PRESS      0xe4
+#define HOME_HOLD       0xea
+#define HOME_RELEASE    0xe5
+
 static const struct key_entry eeepc_wmi_keymap[] = {
         /* Sleep already handled via generic ACPI code */
         { KE_KEY, 0x30, { KEY_VOLUMEUP } },
@@ -71,6 +76,7 @@ static const struct key_entry eeepc_wmi_keymap[] = {
         { KE_KEY, 0xcc, { KEY_SWITCHVIDEOMODE } },
         { KE_KEY, 0xe0, { KEY_PROG1 } }, /* Task Manager */
         { KE_KEY, 0xe1, { KEY_F14 } }, /* Change Resolution */
+        { KE_KEY, HOME_PRESS, { KEY_CONFIG } }, /* Home/Express gate key */
         { KE_KEY, 0xe8, { KEY_SCREENLOCK } },
         { KE_KEY, 0xe9, { KEY_BRIGHTNESS_ZERO } },
         { KE_KEY, 0xeb, { KEY_CAMERA_ZOOMOUT } },
@@ -81,6 +87,25 @@ static const struct key_entry eeepc_wmi_keymap[] = {
         { KE_END, 0},
 };
 
+static void eeepc_wmi_key_filter(struct asus_wmi_driver *asus_wmi, int *code,
+                                 unsigned int *value, bool *autorelease)
+{
+        switch (*code) {
+        case HOME_PRESS:
+                *value = 1;
+                *autorelease = 0;
+                break;
+        case HOME_HOLD:
+                *code = ASUS_WMI_KEY_IGNORE;
+                break;
+        case HOME_RELEASE:
+                *code = HOME_PRESS;
+                *value = 0;
+                *autorelease = 0;
+                break;
+        }
+}
+
 static acpi_status eeepc_wmi_parse_device(acpi_handle handle, u32 level,
                                                  void *context, void **retval)
 {
@@ -141,6 +166,7 @@ static void eeepc_dmi_check(struct asus_wmi_driver *driver)
 static void eeepc_wmi_quirks(struct asus_wmi_driver *driver)
 {
         driver->hotplug_wireless = hotplug_wireless;
+        driver->wapf = -1;
         eeepc_dmi_check(driver);
 }
 
@@ -151,6 +177,7 @@ static struct asus_wmi_driver asus_wmi_driver = {
         .keymap = eeepc_wmi_keymap,
         .input_name = "Eee PC WMI hotkeys",
         .input_phys = EEEPC_WMI_FILE "/input0",
+        .key_filter = eeepc_wmi_key_filter,
         .probe = eeepc_wmi_probe,
         .quirks = eeepc_wmi_quirks,
 };