AcoSail/kernel_optimize_test
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c10d7a1384
kernel_optimize_test/drivers/acpi
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Daniel Drake c10d7a1384 ACPI / PM: Generate wakeup events on fixed power button 
When the system is woken up by the ACPI fixed power button, currently there
is no way of userspace becoming aware that the power button was pressed.

OLPC would like to know this, so that we can respond appropriately.
For example, if the system was woken up by a network packet, we know
we can go back to sleep very quickly. But if the user explicitly woke the
system with the power button, we're going to want to stay awake for a
while.

The wakeup count mechanism seems like a good fit for communicating this.
Mark the fixed power button as wakeup-enabled, and increment its wakeup
counter when the system is woken with the power button. (The wakeup counter
is also incremented when the power button is pressed during system
operation; this is already handled by an existing acpi-button codepath).

Signed-off-by: Daniel Drake <dsd@laptop.org>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-05-29 21:20:23 +02:00
..
acpica Revert "ACPI: ignore FADT reset-reg-sup flag" 2012-04-20 11:19:35 -07:00
apei Merge branch 'apei' into release 2012-03-30 16:14:02 -04:00
ac.c treewide: fix potentially dangerous trailing ';' in #defined values/expressions 2011-07-21 14:10:00 +02:00
acpi_ipmi.c IPMI/ACPI: Add the IPMI opregion driver to enable ACPI to access BMC controller 2010-12-14 00:22:14 -05:00
acpi_memhotplug.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
acpi_pad.c ACPI: minor printk format change in acpi_pad 2011-03-23 01:36:45 -04:00
battery.c switch procfs to umode_t use 2012-01-03 22:54:56 -05:00
bgrt.c ACPI: Add support for exposing BGRT data 2012-03-30 04:09:24 -04:00
blacklist.c acpi: delete module.h include from files explicitly not needing it 2011-10-31 19:30:33 -04:00
bus.c ACPI / PCI / PM: Fix device PM regression related to D3hot/D3cold 2012-05-17 16:16:16 -07:00
button.c ACPI button: remove unused procfs I/F 2011-03-22 23:20:35 -04:00
cm_sbs.c ACPI: Move definition of PREFIX from acpi_bus.h to internal..h 2009-08-28 19:57:27 -04:00
container.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
custom_method.c ACPI: Split out custom_method functionality into an own driver 2011-05-29 01:50:40 -04:00
debugfs.c acpi: add export.h to files using THIS_MODULE/EXPORT_SYMBOL 2011-10-31 19:30:34 -04:00
dock.c module_param: make bool parameters really bool (drivers & misc) 2012-01-13 09:32:20 +10:30
ec_sys.c simple_open: automatically convert to simple_open() 2012-04-05 15:25:50 -07:00
ec.c Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux 2012-03-30 16:45:39 -07:00
event.c acpi: add export.h to files using THIS_MODULE/EXPORT_SYMBOL 2011-10-31 19:30:34 -04:00
fan.c ACPI: constify ops structs 2011-07-16 18:36:17 -04:00
glue.c acpi: add export.h to files using THIS_MODULE/EXPORT_SYMBOL 2011-10-31 19:30:34 -04:00
hed.c ACPI Hardware Error Device (PNP0C33) support 2010-05-19 22:40:24 -04:00
internal.h ACPI: Cleanup custom_method debug stuff 2011-05-29 01:50:04 -04:00
Kconfig ACPI: Add support for exposing BGRT data 2012-03-30 04:09:24 -04:00
Makefile ACPI: Add support for exposing BGRT data 2012-03-30 04:09:24 -04:00
numa.c ACPI: Store SRAT table revision 2012-01-17 04:19:04 -05:00
nvs.c ACPI / PM: print physical addresses consistently with other parts of kernel 2012-03-30 02:46:57 -04:00
osl.c Revert "ACPI: Make ACPI interrupt threaded" 2012-04-18 10:16:27 -07:00
pci_bind.c PCI / ACPI / PM: Platform support for PCI PME wake-up 2010-02-22 16:21:02 -08:00
pci_irq.c PCI/PM/Runtime: make PCI traces quieter 2012-01-06 12:11:16 -08:00
pci_link.c ACPI: Use syscore_ops instead of sysdev class and sysdev 2011-03-18 18:22:21 -04:00
pci_root.c PCI: Rework ASPM disable code 2012-01-06 12:10:26 -08:00
pci_slot.c module_param: make bool parameters really bool (drivers & misc) 2012-01-13 09:32:20 +10:30
power.c ACPI / PCI / PM: Fix device PM regression related to D3hot/D3cold 2012-05-17 16:16:16 -07:00
proc.c acpi: add export.h to files using THIS_MODULE/EXPORT_SYMBOL 2011-10-31 19:30:34 -04:00
processor_core.c ACPI: processor: fix acpi_get_cpuid for UP processor 2012-01-17 05:25:08 -05:00
processor_driver.c Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux 2012-03-30 16:45:39 -07:00
processor_idle.c Merge branches 'idle-fix' and 'misc' into release 2012-04-06 21:48:59 -04:00
processor_perflib.c ACPI: Load acpi-cpufreq from processor driver automatically 2012-01-26 16:48:12 -08:00
processor_thermal.c ACPI: Do cpufreq clamping for throttling per package v2 2012-03-22 02:16:14 -04:00
processor_throttling.c ACPI throttling: fix endian bug in acpi_read_throttling_status() 2012-03-30 16:06:12 -04:00
reboot.c Revert "ACPI: ignore FADT reset-reg-sup flag" 2012-04-20 11:19:35 -07:00
sbs.c Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 2011-08-02 21:17:02 -10:00
sbshc.c acpi: add module.h to files implicitly using/relying on it. 2011-10-31 19:30:32 -04:00
sbshc.h
scan.c ACPI / PM: Generate wakeup events on fixed power button 2012-05-29 21:20:23 +02:00
sleep.c ACPI / PM: Generate wakeup events on fixed power button 2012-05-29 21:20:23 +02:00
sleep.h ACPI: static sleep_states[] and acpi_gts_bfs_check 2010-10-19 13:44:37 -04:00
sysfs.c ACPI: Export FADT pm_profile integer value to userspace 2011-11-06 20:48:42 -05:00
tables.c ACPI: delete the "acpi=ht" boot option 2010-03-14 20:58:38 -04:00
thermal.c ACPI: Evaluate thermal trip points before reading temperature 2012-03-30 02:38:31 -04:00
utils.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
video_detect.c platform/x86: drop deprecated asus_acpi driver 2012-03-20 12:02:18 -04:00
video.c ACPI video: Don't start video device until its associated input device has been allocated 2012-03-30 15:47:52 -04:00
wakeup.c ACPI / Wakeup: Enable button GPEs unconditionally during initialization 2011-02-12 01:39:53 +01:00