tc1100-wmi - switch to using dev_pm_ops

Also guard PM operations with CONFIG_PM.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 16 insertions, 6 deletions

diff --git a/drivers/platform/x86/tc1100-wmi.c b/drivers/platform/x86/tc1100-wmi.c
index fa2995bfa1d..dd33b51c348 100644
--- a/drivers/platform/x86/tc1100-wmi.c
+++ b/drivers/platform/x86/tc1100-wmi.c
@@ -194,7 +194,8 @@ static int __devexit tc1100_remove(struct platform_device *device)
         return 0;
 }
 
-static int tc1100_suspend(struct platform_device *dev, pm_message_t state)
+#ifdef CONFIG_PM
+static int tc1100_suspend(struct device *dev)
 {
         int ret;
 
@@ -206,10 +207,10 @@ static int tc1100_suspend(struct platform_device *dev, pm_message_t state)
         if (ret)
                 return ret;
 
-        return ret;
+        return 0;
 }
 
-static int tc1100_resume(struct platform_device *dev)
+static int tc1100_resume(struct device *dev)
 {
         int ret;
 
@@ -221,17 +222,26 @@ static int tc1100_resume(struct platform_device *dev)
         if (ret)
                 return ret;
 
-        return ret;
+        return 0;
 }
 
+static const struct dev_pm_ops tc1100_pm_ops = {
+        .suspend        = tc1100_suspend,
+        .resume         = tc1100_resume,
+        .freeze         = tc1100_suspend,
+        .restore        = tc1100_resume,
+};
+#endif
+
 static struct platform_driver tc1100_driver = {
         .driver = {
                 .name = "tc1100-wmi",
                 .owner = THIS_MODULE,
+#ifdef CONFIG_PM
+                .pm = &tc1100_pm_ops,
+#endif
         },
         .remove = __devexit_p(tc1100_remove),
-        .suspend = tc1100_suspend,
-        .resume = tc1100_resume,
 };
 
 static int __init tc1100_init(void)