From mboxrd@z Thu Jan  1 00:00:00 1970
From: Romit Dasgupta <romit@ti.com>
Subject: Re: omap3evm: touchscreen delays on pm branch
Date: Fri, 27 Nov 2009 14:09:33 +0530
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To: "Premi, Sanjeev" <premi@ti.com>
Cc: "linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>

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?