redonkable/freescale-linux-fslc
redonkable/freescale-linux-fslc
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freescale-linux-fslc/drivers
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Len Brown 11ccc0f249 ACPI: thermal trip points are read-only 
/proc/acpi/thermal_zone/*/trip_points displays
what the kernel reads from the BIOS via ACPI.

If you echo a string of ':' deliminted numbers to this file
then it will change what it displays.

But it shouldn't, since the kernel has no way to communicate
these changes to ACPI thermal zones.  ACPI thermal zone
trip points are read-only.

The kernel does have the opportunity to ask the BIOS to change
the trip points with _SCP - Set Cooling Policy.

Request Active Cooling Mode:
# echo 0 > /proc/acpi/thermal_zone/*/cooling_policy

Request Passive Cooling Mode:
# echo 1 > /proc/acpi/thermal_zone/*/cooling_policy

However, in practice it is quite rare for the BIOS
to support the optional _SCP, and it is even more rare
for the BIOS to export an _SCP that actually changes
the trip points.

Signed-off-by: Len Brown <len.brown@intel.com>
2007-04-30 22:36:01 -04:00
..
acorn [ARM] Acorn: move the i2c bus driver into drivers/i2c 2007-03-04 20:40:50 +00:00
acpi ACPI: thermal trip points are read-only 2007-04-30 22:36:01 -04:00
amba
ata pata_sis: Fix oops on boot 2007-04-19 19:20:52 -04:00
atm [PATCH] zatm __init abuse 2007-03-14 15:27:49 -07:00
auxdisplay
base [PATCH] PM: use kobject_name() to access kobject names 2007-04-11 15:39:39 -07:00
block packet: fix error handling 2007-04-25 13:50:55 -07:00
bluetooth [Bluetooth] Make use of MODULE_FIRMWARE 2007-02-26 11:42:42 -08:00
cdrom [PATCH] Fix soft lockup with iSeries viocd driver 2007-03-05 07:57:51 -08:00
char Char: mxser, fix TIOCMIWAIT 2007-04-24 08:23:08 -07:00
clocksource [PATCH] correct slow acpi_pm rating 2007-03-27 09:05:15 -07:00
connector [CONNECTOR]: Bugfix for cn_call_callback() 2007-03-07 16:08:08 -08:00
cpufreq [PATCH] Fix maxcpus=1 trigerring BUG() in cpufreq 2007-03-27 08:55:56 -07:00
crypto [PATCH] geode-aes: use unsigned long for spin_lock_irqsave 2007-03-06 09:30:25 -08:00
dio
dma [PATCH] rm pointless dmaengine exports 2007-03-16 19:25:03 -07:00
edac
eisa [PATCH] drivers/eisa/pci_eisa.c:pci_eisa_init() should be init 2007-03-27 09:05:15 -07:00
fc4
firmware
hid HID: Do not discard truncated input reports 2007-04-05 16:06:30 +02:00
hwmon hwmon/w83627ehf: Don't redefine REGION_OFFSET 2007-04-24 08:23:08 -07:00
i2c Minor bug fixes to i2c-pasemi 2007-04-17 16:36:28 -07:00
ide ide/Kconfig: add missing range check for IDE_MAX_HWIFS 2007-04-20 22:16:58 +02:00
ieee1394 ieee1394: change deprecation status of dv1394 2007-04-09 18:52:27 +02:00
infiniband IB/mthca: Fix data corruption after FMR unmap on Sinai 2007-04-16 14:10:55 -07:00
input [PATCH] Input: ucb1400 - set up driver's name to show in sysfs 2007-04-10 17:26:33 -07:00
isdn [PATCH] drivers/isdn/gigaset: mark some static data as const (v2) 2007-03-29 08:22:25 -07:00
kvm KVM: Fix off-by-one when writing to a nonpae guest pde 2007-04-19 18:39:26 +03:00
leds
macintosh drivers/macintosh/smu.c: fix locking snafu 2007-04-17 16:36:27 -07:00
mca
md [PATCH] md: fix calculation for size of filemap_attr array in md/bitmap 2007-04-12 15:31:42 -07:00
media DVB: dvb-usb-remote - fix oops when changing keymap 2007-04-13 18:35:39 -07:00
message Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6 2007-03-27 10:06:30 -07:00
mfd [PATCH] drivers/mfd/sm501.c: fix an off-by-one 2007-04-02 10:06:08 -07:00
misc asus-laptop: make code static 2007-03-09 21:06:40 -05:00
mmc [ARM] 4256/1: i.MX/MX1 SDHC fix/workaround of SD card recognition problems 2007-03-12 16:49:37 +00:00
mtd [MTD] [OneNAND] Classify the page data and oob buffer 2007-03-09 08:08:09 +00:00
net Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2007-04-24 18:20:32 -07:00
nubus
oprofile [PATCH] oprofile: fix potential deadlock on oprofilefs_lock 2007-03-28 13:58:02 -07:00
parisc Merge master.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6 2007-02-26 12:48:06 -08:00
parport [PARPORT] SUNBPP: Fix OOPS when debugging is enabled. 2007-04-23 23:33:17 -07:00
pci Revert "adjust legacy IDE resource setting (v2)" 2007-04-23 23:19:36 +02:00
pcmcia [PATCH] omap_cf: oops-on-suspend fix 2007-04-08 19:47:55 -07:00
pnp [PATCH] Correctly report PnP 64bit resources 2007-04-02 10:06:08 -07:00
ps3 [PATCH] C99 initializers, proper use of const in drivers/ps3 2007-03-14 15:27:50 -07:00
rapidio
rtc [PATCH] rtc-cmos lockdep fix, irq updates 2007-04-02 10:06:09 -07:00
s390 [S390] cio: Fix handling of interrupt for csch(). 2007-04-04 14:37:39 +02:00
sbus [SPARC] openprom: Switch to ref counting PCI API 2007-04-23 22:50:53 -07:00
scsi Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6 2007-04-14 21:41:12 -07:00
serial 8250: fix possible deadlock between serial8250_handle_port() and serial8250_interrupt() 2007-04-24 08:23:09 -07:00
sh
sn
spi spi: fix use of set_cs in spi_s3c24xx driver 2007-04-17 16:36:27 -07:00
tc [PATCH] Fix build error on zs serial driver 2007-04-04 21:12:47 -07:00
telephony
usb usb-net/pegasus: fix pegasus carrier detection 2007-04-24 12:46:31 -04:00
video Fix spelling in drivers/video/Kconfig 2007-04-24 08:23:08 -07:00
w1
zorro
Kconfig
Makefile