"Audio and video
This development cycle once again saw hundreds of major and minor
changes to the Alsa framework and drivers (including 1, 2, 3, 4,
5). According to information in the kernel, audio support in Linux
2.6.29 is now at the level of Alsa 1.0.18a, but it will in fact
include many of the changes in the current 1.0.19 Alsa driver
version. These include, for example, the driver for HD audio codecs
being split into multiple files. As a consequence, in future, when
compiling the audio drivers as a module, different, generally
vendor-specific modules, will be responsible for HD audio codecs.
However, these will no longer need to be loaded manually -- rather
the driver for the HD audio device will automatically detect which
codec is connected and request the respective module.
"Audio quirks Linux users with audio hardware which only works
properly with the assistance of specific parameters, e.g.
"model=6stack-digout" when loading "snd-hda-intel", should send
this information, along with the hardware used, to the Alsa
development team. They can then add to their whitelists, so that
future Linux kernels will automatically use the required
parameters. This will not only benefit the development team, but
will also save all Linux users with the same hardware a little time
by making audio hardware "just work"."
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