From: Peter Osterlund <petero2@telia.com>
To: Lukas Hejtmanek <xhejtman@hell.sks3.muni.cz>
Cc: linux-kernel@vger.kernel.org
Subject: Re: ACPI problems (was: Re: Synaptics PS/2 driver and 2.6.0-test11)
Date: 30 Dec 2003 01:37:11 +0100 [thread overview]
Message-ID: <m21xqngmyw.fsf@telia.com> (raw)
In-Reply-To: <20031229215913.GH916@mail.muni.cz>
Lukas Hejtmanek <xhejtman@hell.sks3.muni.cz> writes:
> Hello,
>
> I've found that problem with synaptics is really related to some ACPI troubles.
> I've suspected synaptics touchpad to do some interrupt bursts and it does.
> Just single button press and relelase generates about 500 interrupts!!! I wonder
> if it is driver related or really hardware related...
That's normal. The hardware generates 80 packets/second and it keeps
generating packets 1 second after you stop using the touchpad. Each
packet is 6 bytes and the i8042 controller generates one
interrupt/byte.
500 interrupts/s shouldn't be any problem to handle though.
--
Peter Osterlund - petero2@telia.com
http://w1.894.telia.com/~u89404340
next prev parent reply other threads:[~2003-12-30 0:37 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-29 21:59 Lukas Hejtmanek
2003-12-30 0:37 ` Peter Osterlund [this message]
2003-12-30 1:01 ` Lukas Hejtmanek
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