Re: [PATCH] input: Force Sentelic reconnect when mode setting has failed

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On Mon, May 21, 2012 at 11:22:07PM +0800, Tai-hwa Liang wrote:
> On Sat, 19 May 2012, Matthew Garrett wrote:
> >The Sentelic touchpad in an Asus UX-21 failed to work since the native
> >driver was merged. Examination showed that the FSP_REG_SWC1 register had
> >reverted back to 0x80 and so the pad was sending normal packets despite
> >the driver expecting absolute ones.
> 
>    Sounds to me that the hardware was reset, which usually happens if
> there's intermittent power failure events.  Is there any particular step
> to reproduce this unexpected resetting?

None that I've identified. It only seems to do it once, and afterwards 
it's fine. I agree that this seems to be covering up some more insidious 
bug, but I spent most of Friday and Saturday failing to find one.

-- 
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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