RE: omap3evm: touchscreen delays on pm branch

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> -----Original Message-----
> From: Dasgupta, Romit 
> Sent: Friday, November 27, 2009 2:10 PM
> To: Premi, Sanjeev
> Cc: linux-omap@xxxxxxxxxxxxxxx
> Subject: Re: omap3evm: touchscreen delays on pm branch
> 
> Premi, Sanjeev wrote:
> > Hi,
> > 
> > I am finding the response of touchscreen on the omap3evm very slow.
> > 
> > Here is my test:
> > On console, I run : watch -n2 "cat /proc/interrupts"
> > Then, I tap the touchscreen approximately once per second. However,
> > (usually) no interrupts are registered. As I increase the frequency
> > of 'taps' more and more interrupts are registered. But still not
> > matching exact taps.
> > 
> > However, when I keep the cpu busy with "cat /dev/zero > /dev/null &"
> > each tap is recognized.
> > 
> Do you see this even if we don't enable OFF?
> 
Yes. Sleep_while_idle=0; enable_off_mode=0
~sanjeev--
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