So do I have to encrease this timeout? I guess user mode android code will echo on to the /sys/Power/state file, Right? Or ama I wrong?
On 30 Mar, 19:50, mark gross <mark97...@gmail.com> wrote: > there is a time out wake lock (1 sec) that gets grabbed at the end of > the pm_suspend code path path (I think). (you'll have to look in your > specific kernel version for it) > > Someone needs to grab a wake lock in user mode or echo on before that > wake lock times out or you gobackto sleep. > > This is by design. (and it has been oh-so-much-fun to discuss on > linux-pm in the past) > > User mode should be grabbing a wake lock under this implementation to > hold off subsequent sleeps. > > --mark > > > > > > On Wed, Mar 28, 2012 at 2:40 PM, Ventanas <guerreromarc...@gmail.com> wrote: > > I have been working with a linux kernel 2.6.29 and I now have > > implemented thesuspend/resume for my machine based on PXA310. > > > So I can putAndroidintosuspendby typing 'echo mem > /sys/power/ > > state', so I can wakeup the machine fromsuspendby a trigger (i.e. > > hardware on-off button) andAndroidwakes up for some seconds andgoes > > againbacktosuspend, showing these messages over the serial port: > > > wakeup wake lock: mmc_delayed_work > > wake_lock: mmc_delayed_work, type 0 > > > wake_lock: mmc_delayed_work, type 0, timeout 0.500 > > wake_lock: mmc_delayed_work, start expire timer, 64 > >suspend: exitsuspend, ret = 0 (2000-01-01 00:01:52.743408205 UTC) > > expire_wake_locks: start > > wake lock mmc_delayed_work, expired > > expired wake lock mmc_delayed_work > > > expire_wake_locks: done, has_lock 0 > >suspend: entersuspend > > PM: Syncing filesystems ... done. > > Freezing user space processes ... (elapsed 0.00 seconds) done. > > Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done. > > Suspending console(s) (use no_console_suspend to debug) > > > anyone knows why?? > > > if I am able to type 'echo on > /sys/power/state' over the serial port > > just one second after the device resumes fromsuspend, then the > >ANDROIDwakes and stays on and it doesn't getbacktosuspend. > > > Why? > > > help me, help me....!!!! > > > Marco > > > -- > > unsubscribe:android-kernel+unsubscr...@googlegroups.com > > website:http://groups.google.com/group/android-kernel > > -- > create interesting things. -- unsubscribe: android-kernel+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-kernel
