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-rw-r--r--drivers/acpi/thermal.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 3521c37bbd33..1e06159fd9c4 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -33,6 +33,7 @@
33 33
34#include <linux/kernel.h> 34#include <linux/kernel.h>
35#include <linux/module.h> 35#include <linux/module.h>
36#include <linux/dmi.h>
36#include <linux/init.h> 37#include <linux/init.h>
37#include <linux/types.h> 38#include <linux/types.h>
38#include <linux/proc_fs.h> 39#include <linux/proc_fs.h>
@@ -1328,10 +1329,74 @@ static int acpi_thermal_resume(struct acpi_device *device)
1328 return AE_OK; 1329 return AE_OK;
1329} 1330}
1330 1331
1332#ifdef CONFIG_DMI
1333static int thermal_act(struct dmi_system_id *d) {
1334
1335 if (act == 0) {
1336 printk(KERN_NOTICE "ACPI: %s detected: "
1337 "disabling all active thermal trip points\n", d->ident);
1338 act = -1;
1339 }
1340 return 0;
1341}
1342static int thermal_tzp(struct dmi_system_id *d) {
1343
1344 if (tzp == 0) {
1345 printk(KERN_NOTICE "ACPI: %s detected: "
1346 "enabling thermal zone polling\n", d->ident);
1347 tzp = 300; /* 300 dS = 30 Seconds */
1348 }
1349 return 0;
1350}
1351static int thermal_psv(struct dmi_system_id *d) {
1352
1353 if (psv == 0) {
1354 printk(KERN_NOTICE "ACPI: %s detected: "
1355 "disabling all passive thermal trip points\n", d->ident);
1356 psv = -1;
1357 }
1358 return 0;
1359}
1360
1361static struct dmi_system_id thermal_dmi_table[] __initdata = {
1362 /*
1363 * Award BIOS on this AOpen makes thermal control almost worthless.
1364 * http://bugzilla.kernel.org/show_bug.cgi?id=8842
1365 */
1366 {
1367 .callback = thermal_act,
1368 .ident = "AOpen i915GMm-HFS",
1369 .matches = {
1370 DMI_MATCH(DMI_BOARD_VENDOR, "AOpen"),
1371 DMI_MATCH(DMI_BOARD_NAME, "i915GMm-HFS"),
1372 },
1373 },
1374 {
1375 .callback = thermal_psv,
1376 .ident = "AOpen i915GMm-HFS",
1377 .matches = {
1378 DMI_MATCH(DMI_BOARD_VENDOR, "AOpen"),
1379 DMI_MATCH(DMI_BOARD_NAME, "i915GMm-HFS"),
1380 },
1381 },
1382 {
1383 .callback = thermal_tzp,
1384 .ident = "AOpen i915GMm-HFS",
1385 .matches = {
1386 DMI_MATCH(DMI_BOARD_VENDOR, "AOpen"),
1387 DMI_MATCH(DMI_BOARD_NAME, "i915GMm-HFS"),
1388 },
1389 },
1390 {}
1391};
1392#endif /* CONFIG_DMI */
1393
1331static int __init acpi_thermal_init(void) 1394static int __init acpi_thermal_init(void)
1332{ 1395{
1333 int result = 0; 1396 int result = 0;
1334 1397
1398 dmi_check_system(thermal_dmi_table);
1399
1335 if (off) { 1400 if (off) {
1336 printk(KERN_NOTICE "ACPI: thermal control disabled\n"); 1401 printk(KERN_NOTICE "ACPI: thermal control disabled\n");
1337 return -ENODEV; 1402 return -ENODEV;