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-rw-r--r--kernel/power/Kconfig74
1 files changed, 74 insertions, 0 deletions
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index 3744c594b19b..fcf5a834c4ec 100644
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -18,6 +18,73 @@ config SUSPEND_FREEZER
Turning OFF this setting is NOT recommended! If in doubt, say Y.
+config HAS_WAKELOCK
+ bool
+
+config HAS_EARLYSUSPEND
+ bool
+
+config WAKELOCK
+ bool "Wake lock"
+ depends on PM && RTC_CLASS
+ default n
+ select HAS_WAKELOCK
+ ---help---
+ Enable wakelocks. When user space request a sleep state the
+ sleep request will be delayed until no wake locks are held.
+
+config WAKELOCK_STAT
+ bool "Wake lock stats"
+ depends on WAKELOCK
+ default y
+ ---help---
+ Report wake lock stats in /proc/wakelocks
+
+config USER_WAKELOCK
+ bool "Userspace wake locks"
+ depends on WAKELOCK
+ default y
+ ---help---
+ User-space wake lock api. Write "lockname" or "lockname timeout"
+ to /sys/power/wake_lock lock and if needed create a wake lock.
+ Write "lockname" to /sys/power/wake_unlock to unlock a user wake
+ lock.
+
+config EARLYSUSPEND
+ bool "Early suspend"
+ depends on WAKELOCK
+ default y
+ select HAS_EARLYSUSPEND
+ ---help---
+ Call early suspend handlers when the user requested sleep state
+ changes.
+
+choice
+ prompt "User-space screen access"
+ default FB_EARLYSUSPEND if !FRAMEBUFFER_CONSOLE
+ default CONSOLE_EARLYSUSPEND
+ depends on HAS_EARLYSUSPEND
+
+ config NO_USER_SPACE_SCREEN_ACCESS_CONTROL
+ bool "None"
+
+ config CONSOLE_EARLYSUSPEND
+ bool "Console switch on early-suspend"
+ depends on HAS_EARLYSUSPEND && VT
+ ---help---
+ Register early suspend handler to perform a console switch to
+ when user-space should stop drawing to the screen and a switch
+ back when it should resume.
+
+ config FB_EARLYSUSPEND
+ bool "Sysfs interface"
+ depends on HAS_EARLYSUSPEND
+ ---help---
+ Register early suspend handler that notifies and waits for
+ user-space through sysfs when user-space should stop drawing
+ to the screen and notifies user-space when it should resume.
+endchoice
+
config HIBERNATE_CALLBACKS
bool
@@ -235,3 +302,10 @@ config PM_GENERIC_DOMAINS
config PM_GENERIC_DOMAINS_RUNTIME
def_bool y
depends on PM_RUNTIME && PM_GENERIC_DOMAINS
+
+config SUSPEND_TIME
+ bool "Log time spent in suspend"
+ ---help---
+ Prints the time spent in suspend in the kernel log, and
+ keeps statistics on the time spent in suspend in
+ /sys/kernel/debug/suspend_time