Re: Help with serial synths in 4.X kernels

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Do you have the serialio.c patched to comment out the return null in
around line 42?  I am running successfully using 4.1.15 kernel, I have
not checked the 4.3 series as I want to run lts ones only.

Tony Baechler <tony@xxxxxxxxxxxx> wrote:

> Hello all,
> 
> This is probably for Samuel, but I thought I would ask here in hopes
> that others might have suggestions. I'm trying to compile 4.X kernels
> (specifically 4.3.3) with working serial synth support, but so far no
> luck. I've seen several patches posted here by Samuel, but I don't
> know if they've been accepted into staging. I pulled a recent staging
> snapshot and copied the speakup directory over that supplied with
> kernel 4.3.3 in Debian. The kernel didn't compile, giving an error
> that screen_pos is undefined. I copied main.c from the 4.3.3 source
> which fixes the problem, but loading the speakup_dectlk module results
> in silence. It seems that it still won't access the serial port, even
> if I include ser=0 on the command line. I also tried applying John's
> patch to the vanilla 4.3.3 sources. Again, it compiled, but loading
> speakup_dectlk locked up the machine. I tried 4.4.0-trunk-amd64 from
> Debian without success.
> 
> Is there a diff with all of the Speakup patches posted to date which I
> can apply to the kernel sources? Is there any chance that Debian will
> pick up these patches soon since they apparently haven't made it to
> the official staging tree? Am I missing something obvious? Samuel,
> would you please post a file with all of your patches so far in a
> central location to make them easier to find?
> 
> For the record, John's build instructions don't work on recent
> kernels. I've found that the following steps seem to work better:
> 
> 1. Install the "linux-source" and "make-kpkg" packages.
> 
> 2. Change to /usr/src/ which should have a tar.bz2 or tar.xz file with
> the source. Extract the source which should create a
> linux-source-X.Y.Z directory.
> 
> 3. Change to linux-source-X.Y.Z.
> 
> 4. As root or with sudo, run the following:
> 
> make-kpkg --initrd buildpackage
> 
> Note that on Ubuntu, you'll run into problems with .config
> missing. Debian packages don't seem to have this problem, but to be
> safe, copy a config.* file to .config in the linux-source
> directory. Apply any Speakup patches before running make-kpkg. On an
> Intel I7 with 32 GB of memory, the build process takes about three
> hours and builds several .deb packages.
> 
> 
> -- 
> Tony Baechler, founder, Baechler Access Technology Services
> Putting accessibility at the forefront of technology
> mailto:bats@xxxxxxxxxxxxxx
> Phone: 1-619-746-8310  SMS text: 1-619-375-2545
> _______________________________________________
> Speakup mailing list
> Speakup@xxxxxxxxxxxxxxxxx
> http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup
> 

-- 
Your life is like a penny.  You're going to lose it.  The question is:
How do
you spend it?

         John Covici
         covici@xxxxxxxxxxxxxx
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