The simple mixer abstraction - more work

- separated the "base library" from ac97.c (dynamically loaded)
  - added necessary handling of all private structures
  - added selector and sid registration functions and handling code
- added basic code for hda.c (yeah, my notebook has this hw)

src/mixer/simple/Makefile.am

@@ -2,7 +2,15 @@ pkglibdir = $(libdir)/@PACKAGE@/smixer
 
 AM_CFLAGS = -g -O2 -W -Wall
 
-pkglib_LTLIBRARIES = smixer-ac97.la
+pkglib_LTLIBRARIES = smixer-sbase.la \
+		     smixer-ac97.la \
+		     smixer-hda.la
 
-smixer_ac97_la_SOURCES = ac97.c
+smixer_sbase_la_SOURCES = sbase.c
+smixer_sbase_la_LDFLAGS = -module
+
+smixer_ac97_la_SOURCES = ac97.c sbasedl.c
 smixer_ac97_la_LDFLAGS = -module
+
+smixer_hda_la_SOURCES = hda.c sbasedl.c
+smixer_hda_la_LDFLAGS = -module