Takashi Iwai wrote: > > so far, we have no way to distinguish the matrix elements from > others. imagine you implement all 1400+ elements as singletons. > what happens if you run alsamixer on that? > obviously showing all of them should be avoided.
Already now alsamixer does not show all the controls. What's the problem? > > > Your question is: how to represent the info that a set of elements may > > (should) be organized in a matrix? > > > > We have already discussed that some time ago (about topology stuff, > > etc., do you remember?) and we decided to keep out this mess from kernel > > space. > > yes. > please note that my proposal is based on the current implementation. > basically the matrix elements are mapped as 1:1 using a linear index > just like others. i proposed MATRIX_ELEM not to mix up it with other > normal controls. the mapping is done actually in alsa-lib. > > > We decided to have (if needed) card specific alsa-lib code to handle all > > that. > > ok, the problems are > > - showing all matrix elements on GUI as normal elements is > nonsense - there must be some flag to distinguish the matrix > elements from others even if we implement the matrix on a linear > array. > > - we have no info to define the size of indices. > without this info, the general mapping code cannot be implemented on > the alsa-lib. Card specific code may solve all that easily. We need to separate in our minds the _basic_ hardware access and layout/display consideration. Kernel is for the former, libraries and applications for the latter. -- Abramo Bagnara mailto:[EMAIL PROTECTED] Opera Unica Phone: +39.546.656023 Via Emilia Interna, 140 48014 Castel Bolognese (RA) - Italy ALSA project http://www.alsa-project.org It sounds good! _______________________________________________________________ Have big pipes? SourceForge.net is looking for download mirrors. We supply the hardware. You get the recognition. Email Us: [EMAIL PROTECTED] _______________________________________________ Alsa-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-devel
