Merge branch 'linus' into core/iommu

Merge reason: This branch was on an -rc5 base so pull almost-2.6.30
              to resync with the latest upstream fixes and make sure
              the combination works fine.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 40 insertions, 7 deletions

diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index 6f54fd1757cd..353a898c3693 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -158,6 +158,7 @@ enum { KE_KEY, KE_END };
 static struct key_entry eeepc_keymap[] = {
         /* Sleep already handled via generic ACPI code */
         {KE_KEY, 0x10, KEY_WLAN },
+        {KE_KEY, 0x11, KEY_WLAN },
         {KE_KEY, 0x12, KEY_PROG1 },
         {KE_KEY, 0x13, KEY_MUTE },
         {KE_KEY, 0x14, KEY_VOLUMEDOWN },
@@ -166,6 +167,8 @@ static struct key_entry eeepc_keymap[] = {
         {KE_KEY, 0x1b, KEY_ZOOM },
         {KE_KEY, 0x1c, KEY_PROG2 },
         {KE_KEY, 0x1d, KEY_PROG3 },
+        {KE_KEY, NOTIFY_BRN_MIN,     KEY_BRIGHTNESSDOWN },
+        {KE_KEY, NOTIFY_BRN_MIN + 2, KEY_BRIGHTNESSUP },
         {KE_KEY, 0x30, KEY_SWITCHVIDEOMODE },
         {KE_KEY, 0x31, KEY_SWITCHVIDEOMODE },
         {KE_KEY, 0x32, KEY_SWITCHVIDEOMODE },
@@ -381,11 +384,13 @@ static ssize_t show_sys_acpi(int cm, char *buf)
 EEEPC_CREATE_DEVICE_ATTR(camera, CM_ASL_CAMERA);
 EEEPC_CREATE_DEVICE_ATTR(cardr, CM_ASL_CARDREADER);
 EEEPC_CREATE_DEVICE_ATTR(disp, CM_ASL_DISPLAYSWITCH);
+EEEPC_CREATE_DEVICE_ATTR(cpufv, CM_ASL_CPUFV);
 
 static struct attribute *platform_attributes[] = {
         &dev_attr_camera.attr,
         &dev_attr_cardr.attr,
         &dev_attr_disp.attr,
+        &dev_attr_cpufv.attr,
         NULL
 };
 
@@ -512,15 +517,21 @@ static int eeepc_hotk_check(void)
         return 0;
 }
 
-static void notify_brn(void)
+static int notify_brn(void)
 {
+        /* returns the *previous* brightness, or -1 */
         struct backlight_device *bd = eeepc_backlight_device;
-        if (bd)
+        if (bd) {
+                int old = bd->props.brightness;
                 bd->props.brightness = read_brightness(bd);
+                return old;
+        }
+        return -1;
 }
 
 static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data)
 {
+        enum rfkill_state state;
         struct pci_dev *dev;
         struct pci_bus *bus = pci_find_bus(0, 1);
 
@@ -532,7 +543,9 @@ static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data)
                 return;
         }
 
-        if (get_acpi(CM_ASL_WLAN) == 1) {
+        eeepc_wlan_rfkill_state(ehotk->eeepc_wlan_rfkill, &state);
+
+        if (state == RFKILL_STATE_UNBLOCKED) {
                 dev = pci_get_slot(bus, 0);
                 if (dev) {
                         /* Device already present */
@@ -552,23 +565,41 @@ static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data)
                         pci_dev_put(dev);
                 }
         }
+
+        rfkill_force_state(ehotk->eeepc_wlan_rfkill, state);
 }
 
 static void eeepc_hotk_notify(acpi_handle handle, u32 event, void *data)
 {
         static struct key_entry *key;
         u16 count;
+        int brn = -ENODEV;
 
         if (!ehotk)
                 return;
         if (event >= NOTIFY_BRN_MIN && event <= NOTIFY_BRN_MAX)
-                notify_brn();
+                brn = notify_brn();
         count = ehotk->event_count[event % 128]++;
         acpi_bus_generate_proc_event(ehotk->device, event, count);
         acpi_bus_generate_netlink_event(ehotk->device->pnp.device_class,
                                         dev_name(&ehotk->device->dev), event,
                                         count);
         if (ehotk->inputdev) {
+                if (brn != -ENODEV) {
+                        /* brightness-change events need special
+                         * handling for conversion to key events
+                         */
+                        if (brn < 0)
+                                brn = event;
+                        else
+                                brn += NOTIFY_BRN_MIN;
+                        if (event < brn)
+                                event = NOTIFY_BRN_MIN; /* brightness down */
+                        else if (event > brn)
+                                event = NOTIFY_BRN_MIN + 2; /* ... up */
+                        else
+                                event = NOTIFY_BRN_MIN + 1; /* ... unchanged */
+                }
                 key = eepc_get_entry_by_scancode(event);
                 if (key) {
                         switch (key->type) {
@@ -649,6 +680,9 @@ static int eeepc_hotk_add(struct acpi_device *device)
         if (ACPI_FAILURE(status))
                 printk(EEEPC_ERR "Error installing notify handler\n");
 
+        eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P6");
+        eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P7");
+
         if (get_acpi(CM_ASL_WLAN) != -1) {
                 ehotk->eeepc_wlan_rfkill = rfkill_allocate(&device->dev,
                                                            RFKILL_TYPE_WLAN);
@@ -704,9 +738,6 @@ static int eeepc_hotk_add(struct acpi_device *device)
                         goto bluetooth_fail;
         }
 
-        eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P6");
-        eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P7");
-
         return 0;
 
  bluetooth_fail:
@@ -717,6 +748,8 @@ static int eeepc_hotk_add(struct acpi_device *device)
  wlan_fail:
         if (ehotk->eeepc_wlan_rfkill)
                 rfkill_free(ehotk->eeepc_wlan_rfkill);
+        eeepc_unregister_rfkill_notifier("\\_SB.PCI0.P0P6");
+        eeepc_unregister_rfkill_notifier("\\_SB.PCI0.P0P7");
  ehotk_fail:
         kfree(ehotk);
         ehotk = NULL;