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authorThomas Gleixner <tglx@linutronix.de>2009-05-20 09:02:28 +0200
committerThomas Gleixner <tglx@linutronix.de>2009-05-20 09:02:28 +0200
commit521c180874dae86f675d23c4eade4dba8b1f2cc8 (patch)
tree7509303da3a9a1b40a26f6811f321c89cd31737b /drivers/acpi/fan.c
parentf1a11e0576c7a73d759d05d776692b2b2d37172b (diff)
parent64d1304a64477629cb16b75491a77bafe6f86963 (diff)
Merge branch 'core/urgent' into core/futexes
Merge reason: this branch was on an pre -rc1 base, merge it up to -rc6+ to get the latest upstream fixes. Conflicts: kernel/futex.c Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/acpi/fan.c')
-rw-r--r--drivers/acpi/fan.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index 8a02944bf92..53698ea0837 100644
--- 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;