Marco Chen mc...@mozilla.com writes:
Hi Kan-Ru,
1. Changing PowerManager.screenEnabled is THE ONLY WAY to trigger the
suspend.
This is not true. The android kernel could call suspend at anytime when
the wake lock count in kernel hits zero. When design power management
API we must
Hi Kan-Ru,
Thanks for your reply first.
Changing PowerManager.screenEnabled is just one way to trigger the suspend.
As I knew,
1. Changing PowerManager.screenEnabled is THE ONLY WAY to trigger the suspend.
and remove the cpuSleepAllowed attribute from PowerManager
1. Currently
[ +dev-webapi You could find the original thread here:
https://groups.google.com/forum/#!msg/mozilla.dev.b2g/UP5h_a3QAHE/i3S3aCwNPTUJ ]
Marco Chen mc...@mozilla.com writes:
Hi Kan-Ru,
Thanks for your reply first.
Changing PowerManager.screenEnabled is just one way to trigger the suspend.
Hi Kan-Ru,
1. Changing PowerManager.screenEnabled is THE ONLY WAY to trigger the
suspend.
This is not true. The android kernel could call suspend at anytime when
the wake lock count in kernel hits zero. When design power management
API we must remember that the user space has to cooperate
Marco Chen mc...@mozilla.com writes:
Hi Thomas,
There is already PowerManager.cpuSleepAllowed for keeping the CPU running.
Yes, you are right. But does PowerManager.screenEnabled API told developers
that you should request a wakelock first or system will go into sleep not
just turn off the
Hi all,
[1] shows the properties of power manager (WebAPI) and
PowerManager.screenEnabled didn't have a suitable name and explanation.
This property didn't only control enable/disable of the device screen but also
the device's power state (on or mem).
When gaia developer called this API for
Hi Marco
On 12.11.2013 12:49, Marco Chen wrote:
Hi all,
[1] shows the properties of power manager (WebAPI) and
PowerManager.screenEnabled didn't have a suitable name and explanation.
This property didn't only control enable/disable of the device screen but
also the device's power state
Is this on ICS or JB? Reading this code, I think the JB code path ends
up here
http://dxr.mozilla.org/mozilla-central/source/widget/gonk/libdisplay/GonkDisplayJB.cpp#153
which seems like it's turning the screen on and off. However, the ICS
version of this function
Hi Ehsan,
Actually GonkDisplayJB.cpp did the same thing as GonkDisplayICS.cpp and
additionally request screen to off.
http://dxr.mozilla.org/mozilla-central/source/widget/gonk/libdisplay/GonkDisplayJB.cpp#169
The link as above is the way GonkDisplayJB asked system to suspend.
So both of JB and
Hi Thomas,
There is already PowerManager.cpuSleepAllowed for keeping the CPU running.
Yes, you are right. But does PowerManager.screenEnabled API told developers
that you should request a wakelock first or system will go into sleep not just
turn off the screen?
It didn't make sense for this
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