Re: Touchscreen hardware hacking/driver hacking.

[Kyle Moffett]

On Oct 17, 2006, at 22:30:57, Greg Chandler wrote:

> I added the following to drivers/input/mouse/lifebook.c
>        {
>                .ident = "FLORA-ie 55mi",
>                .matches = {
>                        DMI_MATCH(DMI_PRODUCT_NAME, "FLORA-ie 55mi"),
>                },
>        },
>
> It scrolled oopses for a little while then booted normally.
> gpmd using /dev/mouse is taking input from the touchscreen. kind  
> of....
>
> If I move up or down on the screen it moves the cursor like a mouse  
> would, but it acts like the button is always pressed.
>
> I'm happy that it accepts data at all but concerned about the oops  
> scroll...  There is so much that it is pushed out of the dmesg log,  
> and the kernel scrollback log.  I have no way of recording it {I  
> can't soldier down a pin header for serial}
>
> Any ideas?

Pass "log_buf_len=4M" on the kernel command line (or pick any other  
power of 2).  Without a suffix specifies size in bytes, "k" means 1  
kiB or 2^10 bytes, "M" means 1 MiB or 2^20 bytes.

Cheers,
Kyle Moffett

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