I have found a way to trace from libhardware_legacy/power.c, sorry, it
was simpler than what I thought, I'm using logcat through serial port.
And now I can see that power.c is able to write to /sys/power/state,
but again the problem is that when resuming it doesn't write "on" to
"state".
M
On Apr 11, 5:56 pm, Ventanas <guerreromarc...@gmail.com> wrote:
> I've checked one more time the power.c code, and the fact that /sys/
> android_power doesn't exist should not be a problem as it is the old
> device driver for android power management in the linux kernel, while
> the newer is named /sys/power
>
> but I have an idea: as libhardware_legacy.so is not able to open/write
> to /dev/kmsg, maybe it is also not able to open/write to /sys/power/
> state, maybe is this the root cause?
>
> On Apr 11, 5:28 pm, Ventanas <guerreromarc...@gmail.com> wrote:
>
>
>
>
>
>
>
> > another problem: power.c wants to write to this file: /sys/
> > android_power/auto_off_timeout
>
> > I don't see the android_power directory in the sysfs, ?
>
> > what is missing???
>
> > On Apr 11, 4:59 pm, Manjeet Pawar <mpchapmanj...@gmail.com> wrote:
>
> > > Y dont u use procfs or ioctl...to check whats goin on inside...
>
> > > On Wed, Apr 11, 2012 at 8:17 PM, Ventanas <guerreromarc...@gmail.com>
> > > wrote:
> > > > found that errno is always 13, that is EACCES, so access no Permission
> > > > denied, so what can I do?
> > > > M
>
> > > > On Apr 11, 4:36 pm, Ventanas <guerreromarc...@gmail.com> wrote:
> > > > > ok, I am trying to debug the libhardware_legacy.so library that
> > > > > contains the power.c 'C'-code module that interacts with the linux-
> > > > > kernel power manager, but I have this problem:
>
> > > > > I want to open the /dev/kmsg file and write to it, but I get always
> > > > > -1, do you know why I cannot open("/dev/kmsg", O_WRONLY); from this
> > > > > module?
>
> > > > > while I can from a classic 'C' main-program in user mode.
>
> > > > > Marco
>
> > > > --
> > > > unsubscribe: android-kernel+unsubscr...@googlegroups.com
> > > > website:http://groups.google.com/group/android-kernel
--
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