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Altera_Forum's avatar
Altera_Forum
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20 years ago

err opening dev/dsp

Hi folks I am having a problem opening /dev/dsp with an application. It tries to open the device /dev/dsp # define AUDIO_DEVICE /dev/dsp fd=open(AUDIO_DEVICE, O_RDWR|O_NONBLOCK); ...
Altera_Forum's avatar
Altera_Forum
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20 years ago

Did you add the correct functionality in the kernel?

Using a RO filesystem should not be a problem since /dev/ entries are not a real file but a fake filesystem to access kernel functionality.

I would assume this error results from static device nodes (i.e. always there) without having the correct functionality in the kernel (device module/driver).

You try to access the kernel, but the kernel does not know what you are talking about.