topstar-laptop: convert acpi_evaluate_object() to acpi_execute_simple_method()

acpi_execute_simple_method() is a new ACPI API introduced to invoke
an ACPI control method that has single integer parameter and no return value.

Convert acpi_evaluate_object() to acpi_execute_simple_method()
in drivers/platform/x86/topstar-laptop.c

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
CC: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
CC: Matthew Garrett <matthew.garrett@nebula.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 2 insertions, 6 deletions

diff --git a/drivers/platform/x86/topstar-laptop.c b/drivers/platform/x86/topstar-laptop.c
index 4ab618c63b45..67897c8740ba 100644
--- a/drivers/platform/x86/topstar-laptop.c
+++ b/drivers/platform/x86/topstar-laptop.c
@@ -80,13 +80,9 @@ static void acpi_topstar_notify(struct acpi_device *device, u32 event)
 static int acpi_topstar_fncx_switch(struct acpi_device *device, bool state)
 {
         acpi_status status;
-        union acpi_object fncx_params[1] = {
-                { .type = ACPI_TYPE_INTEGER }
-        };
-        struct acpi_object_list fncx_arg_list = { 1, &fncx_params[0] };
 
-        fncx_params[0].integer.value = state ? 0x86 : 0x87;
-        status = acpi_evaluate_object(device->handle, "FNCX", &fncx_arg_list, NULL);
+        status = acpi_execute_simple_method(device->handle, "FNCX",
+                                                state ? 0x86 : 0x87);
         if (ACPI_FAILURE(status)) {
                 pr_err("Unable to switch FNCX notifications\n");
                 return -ENODEV;