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