1 files changed, 42 insertions, 8 deletions

diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index 03bf522bd7ab..8153b3e59189 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -180,6 +180,7 @@ static struct key_entry eeepc_keymap[] = {
  */
 static int eeepc_hotk_add(struct acpi_device *device);
 static int eeepc_hotk_remove(struct acpi_device *device, int type);
+static int eeepc_hotk_resume(struct acpi_device *device);
 
 static const struct acpi_device_id eeepc_device_ids[] = {
         {EEEPC_HOTK_HID, 0},
@@ -194,6 +195,7 @@ static struct acpi_driver eeepc_hotk_driver = {
         .ops = {
                 .add = eeepc_hotk_add,
                 .remove = eeepc_hotk_remove,
+                .resume = eeepc_hotk_resume,
         },
 };
 
@@ -512,15 +514,12 @@ static int notify_brn(void)
         return -1;
 }
 
-static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data)
+static void eeepc_rfkill_hotplug(void)
 {
         struct pci_dev *dev;
         struct pci_bus *bus = pci_find_bus(0, 1);
         bool blocked;
 
-        if (event != ACPI_NOTIFY_BUS_CHECK)
-                return;
-
         if (!bus) {
                 printk(EEEPC_WARNING "Unable to find PCI bus 1?\n");
                 return;
@@ -551,6 +550,14 @@ static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data)
         rfkill_set_sw_state(ehotk->eeepc_wlan_rfkill, blocked);
 }
 
+static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data)
+{
+        if (event != ACPI_NOTIFY_BUS_CHECK)
+                return;
+
+        eeepc_rfkill_hotplug();
+}
+
 static void eeepc_hotk_notify(acpi_handle handle, u32 event, void *data)
 {
         static struct key_entry *key;
@@ -675,8 +682,8 @@ static int eeepc_hotk_add(struct acpi_device *device)
                 if (!ehotk->eeepc_wlan_rfkill)
                         goto wlan_fail;
 
-                rfkill_set_sw_state(ehotk->eeepc_wlan_rfkill,
-                                    get_acpi(CM_ASL_WLAN) != 1);
+                rfkill_init_sw_state(ehotk->eeepc_wlan_rfkill,
+                                     get_acpi(CM_ASL_WLAN) != 1);
                 result = rfkill_register(ehotk->eeepc_wlan_rfkill);
                 if (result)
                         goto wlan_fail;
@@ -693,8 +700,8 @@ static int eeepc_hotk_add(struct acpi_device *device)
                 if (!ehotk->eeepc_bluetooth_rfkill)
                         goto bluetooth_fail;
 
-                rfkill_set_sw_state(ehotk->eeepc_bluetooth_rfkill,
-                                    get_acpi(CM_ASL_BLUETOOTH) != 1);
+                rfkill_init_sw_state(ehotk->eeepc_bluetooth_rfkill,
+                                     get_acpi(CM_ASL_BLUETOOTH) != 1);
                 result = rfkill_register(ehotk->eeepc_bluetooth_rfkill);
                 if (result)
                         goto bluetooth_fail;
@@ -734,6 +741,33 @@ static int eeepc_hotk_remove(struct acpi_device *device, int type)
         return 0;
 }
 
+static int eeepc_hotk_resume(struct acpi_device *device)
+{
+        if (ehotk->eeepc_wlan_rfkill) {
+                bool wlan;
+
+                /* Workaround - it seems that _PTS disables the wireless
+                   without notification or changing the value read by WLAN.
+                   Normally this is fine because the correct value is restored
+                   from the non-volatile storage on resume, but we need to do
+                   it ourself if case suspend is aborted, or we lose wireless.
+                 */
+                wlan = get_acpi(CM_ASL_WLAN);
+                set_acpi(CM_ASL_WLAN, wlan);
+
+                rfkill_set_sw_state(ehotk->eeepc_wlan_rfkill,
+                                    wlan != 1);
+
+                eeepc_rfkill_hotplug();
+        }
+
+        if (ehotk->eeepc_bluetooth_rfkill)
+                rfkill_set_sw_state(ehotk->eeepc_bluetooth_rfkill,
+                                    get_acpi(CM_ASL_BLUETOOTH) != 1);
+
+        return 0;
+}
+
 /*
  * Hwmon
  */