| Linux 2.4 Sound Changes |
| 2000-September-25 |
| 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. |
| 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. |
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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 |
| 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. |
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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. |
| 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 |
| 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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