From: Grant Grundler <grundler@puffin.external.hp.com>
To: Richard Hirst <rhirst@linuxcare.com>
Cc: Thomas Marteau <marteaut@esiee.fr>,
"parisc-linux@parisc-linux.org" <parisc-linux@parisc-linux.org>
Subject: Re: [parisc-linux] The final patch for the keyboard problem
Date: Thu, 09 Aug 2001 10:45:04 -0600 [thread overview]
Message-ID: <200108091645.KAA13777@puffin.external.hp.com> (raw)
In-Reply-To: Message from Richard Hirst <rhirst@linuxcare.com> of "Tue, 07 Aug 2001 22:36:50 BST." <20010807223650.F1011@linuxcare.com>
Richard Hirst wrote:
> I've fixed the lockup on CapsLock, using an analyser to monitor what happened
> on the PS/2 cable:
Cool!
reverse engineering is more fun when one has the right tools...
> I changed the driver to allow 5ms rather than 1ms, and it works now.
> In fact, for my keyboard, the time from command being written to ack
> being received is about 2.5ms.
>
> Can't say I like the idea of mdelay(5) being called 3 times every time I
> press CapsLock though.
Would sleep/wakeup be better than polling?
It seems the keyboard does generate interrupts.
grant
Grant Grundler
parisc-linux {PCI|IOMMU|SMP} hacker
+1.408.447.7253
next prev parent reply other threads:[~2001-08-09 16:46 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-08-07 7:27 [parisc-linux] The final patch for the keyboard problem Thomas Marteau
2001-08-07 10:58 ` Richard Hirst
2001-08-07 12:14 ` Richard Hirst
2001-08-07 21:36 ` Richard Hirst
2001-08-09 16:45 ` Grant Grundler [this message]
2001-08-07 23:31 ` Richard Hirst
2001-08-07 16:23 ` Matthew Wilcox
2001-08-10 17:23 ` Richard Hirst
2001-08-13 18:09 ` marteau
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