Re: [PATCH] staging: speakup: refactor synths array to use a list

[Gregory Nowak <greg@gregn.net>]

On Tue, Jun 12, 2018 at 08:31:06AM +0200, Samuel Thibault wrote:
> The load/unload is about the module itself, i.e. modprobe speakup_bns ;
> modprobe speakup_soft, switch between them, then rmmod speakup_bns ;
> speakup_soft or the converse (to exercise both orders).

# uname -a
Linux p41box 4.17.1 #1 SMP Sat Jun 16 11:19:57 MST 2018 i686 GNU/Linux
# lsmod |grep "speakup"
speakup_bns            16384  0
speakup_soft           16384  1
speakup                94208  3 speakup_bns,speakup_soft

With /sys/accessibility/speakup/synth set to bns, I am getting output
alternately from the bns and from soft. It's as if speakup can't make
up its mind which synthesizer is being used. When I echo soft
>/sys/accessibility/speakup/synth, I get no speech at all from either
synthesizer. Doing rmmod of all three speakup modules comes back with
no errors. There is also no unusual output in dmesg, I can see both
synthesizers being registered and unregistered as I switch between
them.

I can also reproduce this behavior with speakup_soft, and speakup_dummy
specifically:

1. modprobe speakup_soft and modprobe speakup_dummy

2. The synthesizer should now be set to dummy in
   /sys/accessibility/speakup/synth.

3. Use the speakup review keys, press enter a number of times. You
   should observe output from both the software speech, and from the
   serial port alternating between each other.

4. echo soft >/sys/accessibility/speakup/synth

5. You should observe no output from either software speech or the
   serial port as you use speakup review keys, or press enter
   repeatedly.

6. echo dummy >/sys/accessibility/speakup/synth

7. You should alternately get speech from the software synthesizer and
   from the serial port.

I built my kernel from the 4.17.1 kernel.org sources, and the patch
that Samuel reposted applied cleanly with no errors.

Greg


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