[BRLTTY] ioctl[KIOCSOUND] error 25: Inappropriate ioctl for device.

[Lars Bjørndal]

Hi, Dave!

You wrote:

> [quoted lines by Lars Bjørndal on 2016/11/30 at 09:08 +0100]
> 
> >Currently I use an old Handy Tech Braille Star 80 display on USB. When
> >navigating with the display, there is no sound from BRLTTY. 
> 
> Is the navigation itself working correctly?

Yes.

> >I get lots of:
> >
> >Nov 30 08:59:30 fox brltty[20907]: ioctl[KIOCSOUND] error 25:
> >Inappropriate ioctl for device.
> >
> >in my logs. 
> 
> This means that brltty has been unable to load the pcspkr kernel module. 

The pcspkr module is loaded and the console beep is working.

> Perhaps your installation doesn't provide it, or perhaps you're using hardware 
> that doesn't support the PC speaker.

Hm This problem started after switching from a Modular Evolution 88
and to this old Braille Star 80 display.

> >The information about the USB port is the following when connecting the cable:
> 
> There's nothing unexpected in the logs. It's indeed an older HandyTech device. 
> Could you please send me a copy of your /sys/kernel/debug/usb/devices file 
> while it's connected so that I can save a copy of its device definition?

Sure.

> >Is this a kernel driver problem, or can it be fixed from the BRLTTY
> >side?
> 
> No, it's not a brltty problem. If your system doesn't support the PC speaker 
> then you could try setting your tune device to PCM. That'll use your sound card 
> and actual speakers.

Lars
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