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43 lines
1.4 KiB
43 lines
1.4 KiB
20 years ago
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Linux 2.4 Sound Changes
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2000-September-25
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Christoph Hellwig, <hch@infradead.org>
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=== isapnp support
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The Linux 2.4 Kernel does have reliable in-kernel isapnp support.
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Some drivers (sb.o, ad1816.o awe_wave.o) do now support automatically
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detecting and configuring isapnp devices.
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If you have a not yet supported isapnp soundcard, mail me the content
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of '/proc/isapnp' on your system and some information about your card
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and its driver(s) so I can try to get isapnp working for it.
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=== soundcard resources on kernel commandline
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Before Linux 2.4 you had to specify the resources for sounddrivers
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statically linked into the kernel at compile time
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(in make config/menuconfig/xconfig). In Linux 2.4 the resources are
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now specified at the boot-time kernel commandline (e.g. the lilo
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'append=' line or everything that's after the kernel name in grub).
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Read the Configure.help entry for your card for the parameters.
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=== softoss is gone
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In Linux 2.4 the softoss in-kernel software synthesizer is no more aviable.
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Use a user space software synthesizer like timidity instead.
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=== /dev/sndstat and /proc/sound are gone
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In older Linux versions those files exported some information about the
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OSS/Free configuration to userspace. In Linux 2.3 they were removed because
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they did not support the growing number of pci soundcards and there were
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some general problems with this interface.
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