This patch allows via vt1617a end users to configure what via calls Smart 5.1 - a mechanism for controlling the 3 bi-directional analog connectors that some OEM's use instead of a larger collection of dedicated analog input and output connectors.
As outlined in previous discussion on this list, the outcome matrix for togging these bits is somewhat arcane and seemingly lacking in cohesion, but with only 3 bits, it's reasonable to expect that a motivated end user will be able to eventually configure their own personal setup to their needs.
Note that in some instances (such as an epia C7) it is also required to disable 'alternate surround out' to get surround to work properly.
Note that this is my first ever alsa patch and after review by wiser craniums it may need fixin'. ;-)
plz dont hesitate to ask for such corrections!
tnx!
johnu
Attachment:
ac97_patch_c-1617aSmart51.patch
Description: ac97_patch_c-1617aSmart51.patch
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