ideapad_acpi_resume() and ideapad_pm is meaningful
only if CONFIG_PM_SLEEP is set.
Thus introduce #ifdef for this piece of code.

Signed-off-by: Zhang Rui <[email protected]>
CC: Matthew Garrett <[email protected]>
CC: Ike Panhc <[email protected]>
CC: [email protected]
---
 drivers/platform/x86/ideapad-laptop.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/platform/x86/ideapad-laptop.c 
b/drivers/platform/x86/ideapad-laptop.c
index 89c4519..5021c55 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -901,6 +901,7 @@ static void ideapad_acpi_notify(struct acpi_device 
*adevice, u32 event)
        }
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int ideapad_acpi_resume(struct device *device)
 {
        ideapad_sync_rfk_state(ideapad_priv);
@@ -909,6 +910,7 @@ static int ideapad_acpi_resume(struct device *device)
 }
 
 static SIMPLE_DEV_PM_OPS(ideapad_pm, NULL, ideapad_acpi_resume);
+#endif
 
 static struct acpi_driver ideapad_acpi_driver = {
        .name = "ideapad_acpi",
@@ -917,7 +919,9 @@ static struct acpi_driver ideapad_acpi_driver = {
        .ops.add = ideapad_acpi_add,
        .ops.remove = ideapad_acpi_remove,
        .ops.notify = ideapad_acpi_notify,
+#ifdef CONFIG_PM_SLEEP
        .drv.pm = &ideapad_pm,
+#endif
        .owner = THIS_MODULE,
 };
 module_acpi_driver(ideapad_acpi_driver);
-- 
1.7.9.5

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