On Tue, Sep 13, 2011 at 1:58 AM, Sakari Ailus <sakari.ai...@iki.fi> wrote:
> On Mon, Sep 12, 2011 at 04:50:42PM +0200, Enrico wrote:
>> Hi,
>
> Hi Enrico,
>
>> While testing omap3isp+tvp5150 with latest Deepthy bt656 patches
>> (kernel 3.1rc4) i noticed that yavta hangs very often when grabbing
>> or, if not hanged, it grabs at max ~10fps.
>>
>> Then i noticed that tapping on the (serial) console made it "unblock"
>> for some frames, so i thought it doesn't prevent the cpu to go
>> idle/sleep. Using the boot arg "nohlt" the problem disappear and it
>> grabs at a steady 25fps.
>>
>> In the code i found a comment that says the camera can't be a wakeup
>> source but the camera powerdomain is instead used to decide to not go
>> idle, so at this point i think the camera powerdomain is not enabled
>> but i don't know how/where to enable it. Any ideas?
>
> I can confirm this indeed is the case --- ISP can't wake up the system ---
> but don't know how to prevent the system from going to sleep when using the
> ISP.
Had it been on android i think wakelock would have been very useful.
>
> --
> Sakari Ailus
> e-mail: sakari.ai...@iki.fi jabber/XMPP/Gmail: sai...@retiisi.org.uk
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