#include <linux/init.h>
#include <linux/types.h>
#include <linux/proc_fs.h>
-#include <linux/sched.h>
+#include <linux/timer.h>
+#include <linux/jiffies.h>
#include <linux/kmod.h>
#include <linux/seq_file.h>
#include <asm/uaccess.h>
#define ACPI_THERMAL_COMPONENT 0x04000000
#define ACPI_THERMAL_CLASS "thermal_zone"
-#define ACPI_THERMAL_DRIVER_NAME "ACPI Thermal Zone Driver"
#define ACPI_THERMAL_DEVICE_NAME "Thermal Zone"
#define ACPI_THERMAL_FILE_STATE "state"
#define ACPI_THERMAL_FILE_TEMPERATURE "temperature"
#define CELSIUS_TO_KELVIN(t) ((t+273)*10)
#define _COMPONENT ACPI_THERMAL_COMPONENT
-ACPI_MODULE_NAME("acpi_thermal")
+ACPI_MODULE_NAME("thermal");
MODULE_AUTHOR("Paul Diefenbaugh");
-MODULE_DESCRIPTION(ACPI_THERMAL_DRIVER_NAME);
+MODULE_DESCRIPTION("ACPI Thermal Zone Driver");
MODULE_LICENSE("GPL");
static int tzp;
static int acpi_thermal_add(struct acpi_device *device);
static int acpi_thermal_remove(struct acpi_device *device, int type);
-static int acpi_thermal_resume(struct acpi_device *device, int state);
+static int acpi_thermal_resume(struct acpi_device *device);
static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file);
static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file);
static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file);
size_t, loff_t *);
static struct acpi_driver acpi_thermal_driver = {
- .name = ACPI_THERMAL_DRIVER_NAME,
+ .name = "thermal",
.class = ACPI_THERMAL_CLASS,
.ids = ACPI_THERMAL_HID,
.ops = {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Polling frequency set to %lu seconds\n",
- tz->polling_frequency));
+ tz->polling_frequency/10));
return 0;
}
int i = 0;
- limit_string = kmalloc(ACPI_THERMAL_MAX_LIMIT_STR_LEN, GFP_KERNEL);
+ limit_string = kzalloc(ACPI_THERMAL_MAX_LIMIT_STR_LEN, GFP_KERNEL);
if (!limit_string)
return -ENOMEM;
- memset(limit_string, 0, ACPI_THERMAL_MAX_LIMIT_STR_LEN);
-
active = kmalloc(ACPI_THERMAL_MAX_ACTIVE * sizeof(int), GFP_KERNEL);
if (!active) {
kfree(limit_string);
if (!device)
return -EINVAL;
- tz = kmalloc(sizeof(struct acpi_thermal), GFP_KERNEL);
+ tz = kzalloc(sizeof(struct acpi_thermal), GFP_KERNEL);
if (!tz)
return -ENOMEM;
- memset(tz, 0, sizeof(struct acpi_thermal));
tz->device = device;
strcpy(tz->name, device->pnp.bus_id);
return 0;
}
-static int acpi_thermal_resume(struct acpi_device *device, int state)
+static int acpi_thermal_resume(struct acpi_device *device)
{
struct acpi_thermal *tz = NULL;
- int i;
+ int i, j, power_state, result;
+
if (!device || !acpi_driver_data(device))
return -EINVAL;
tz = acpi_driver_data(device);
- acpi_thermal_get_temperature(tz);
-
for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
- if (tz->trips.active[i].flags.valid) {
- tz->temperature = tz->trips.active[i].temperature;
- tz->trips.active[i].flags.enabled = 0;
-
- acpi_thermal_active(tz);
-
- tz->state.active |= tz->trips.active[i].flags.enabled;
- tz->state.active_index = i;
+ if (!(&tz->trips.active[i]))
+ break;
+ if (!tz->trips.active[i].flags.valid)
+ break;
+ tz->trips.active[i].flags.enabled = 1;
+ for (j = 0; j < tz->trips.active[i].devices.count; j++) {
+ result = acpi_bus_get_power(tz->trips.active[i].devices.
+ handles[j], &power_state);
+ if (result || (power_state != ACPI_STATE_D0)) {
+ tz->trips.active[i].flags.enabled = 0;
+ break;
+ }
}
+ tz->state.active |= tz->trips.active[i].flags.enabled;
}
- acpi_thermal_check(tz);
+ acpi_thermal_check(tz);
return AE_OK;
}