|05-25-2016, 04:53 AM||#1|
Join Date: Feb 2016
Screen off popup
Can someone tell me if it exists an hack to reduce the annoying 7 seconds waiting time to popup the screen off menu pressing power menu? If not, is it possible to do it?
|05-25-2016, 02:42 PM||#4|
Join Date: Nov 2006
Device: Kindle Voyage, iPad Mini, iPhone 6, MS Surface Pro, N7
It doesn't turn anything off - all it does is blank the screen rather than showing the usual "screensaver" image. In both cases the Kindle is asleep, not turned off. You can't turn a Kindle off.
|05-25-2016, 03:14 PM||#5|
Join Date: Feb 2012
Device: Too many.
(At least the pop-up panels I have seen give you more than one action to choose.)
The device will show a screen saver, and after a time period (if it has nothing to do) will go to sleep (and turn off the front light).
The Kindle's never go to sleep if you have something holding a "wake lock" in the system -
such as having the USB cable plugged in.
Although they will be showing a screensaver - even when kept awake by a 'wake lock'.
echo 'mem' >/sys/power/state
echo 'standby' >/sys/power/state (does what it says -> everything possible is turned off or put to sleep - takes a few 1/10s of a second).
There is a recent thread here about giving ;log (a search bar command) a new meaning.
See the 'Hide books' thread and example scripts.
After you decide which state you want to enter - re-write the ;log script to match.
Is it 'safe' to just poke power management?
[728133.980625] PM: Syncing filesystems ... done. [728133.993436] PM: Preparing system for standby sleep [728133.994245] Freezing user space processes ... (elapsed 0.02 seconds) done. [728134.015707] Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done. [728134.035692] PM: Entering standby sleep [728134.035701] Suspending console(s) (use no_console_suspend to debug) [728134.117192] udc suspend begins [728134.117715] USB Gadget suspend ends [728134.117858] KERNEL: I pmic:fg suspend battinfo:current=0mA, volt=4200mV, capav=100%, mAh=1464mAh: [728134.136500] add wake up source irq 105 [728134.139261] add wake up source irq 51 [728134.139320] PM: suspend of devices complete after 103.192 msecs [728134.139688] PM: late suspend of devices complete after 0.350 msecs
That is everything required to put the device to sleep.
Note that the battery current is shown a zero - that is only because it is too low to measure for the Kindle's current sensor.
The dynamic ram is in low power, self refresh mode -
There is a micro-controller running (clock, button, hall effect monitoring) -
As much as possible of the SoC (and cpu) has clocks and power removed.
This is about as close to 'off' as a Kindle can get without removing the battery.
Last edited by knc1; 05-27-2016 at 09:51 AM.
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