Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes...

[linux-2.6] / drivers / acpi / fan.c

diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index 8a02944..53698ea 100644 (file)
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -68,31 +68,35 @@ static struct acpi_driver acpi_fan_driver = {
 };
 
 /* thermal cooling device callbacks */
-static int fan_get_max_state(struct thermal_cooling_device *cdev, char *buf)
+static int fan_get_max_state(struct thermal_cooling_device *cdev, unsigned long
+                            *state)
 {
        /* ACPI fan device only support two states: ON/OFF */
-       return sprintf(buf, "1\n");
+       *state = 1;
+       return 0;
 }
 
-static int fan_get_cur_state(struct thermal_cooling_device *cdev, char *buf)
+static int fan_get_cur_state(struct thermal_cooling_device *cdev, unsigned long
+                            *state)
 {
        struct acpi_device *device = cdev->devdata;
-       int state;
        int result;
+       int acpi_state;
 
        if (!device)
                return -EINVAL;
 
-       result = acpi_bus_get_power(device->handle, &state);
+       result = acpi_bus_get_power(device->handle, &acpi_state);
        if (result)
                return result;
 
-       return sprintf(buf, "%s\n", state == ACPI_STATE_D3 ? "0" :
-                        (state == ACPI_STATE_D0 ? "1" : "unknown"));
+       *state = (acpi_state == ACPI_STATE_D3 ? 0 :
+                (acpi_state == ACPI_STATE_D0 ? 1 : -1));
+       return 0;
 }
 
 static int
-fan_set_cur_state(struct thermal_cooling_device *cdev, unsigned int state)
+fan_set_cur_state(struct thermal_cooling_device *cdev, unsigned long state)
 {
        struct acpi_device *device = cdev->devdata;
        int result;