Hello,
I'm running RedHat 7.3 with all updates applied (including RedHat's kernel version 2.4.20-20.7), with a generic OEM Aureal Vortex soundcard (au8820 chip). On this system, I compiled ALSA driver 0.9.8 with the following options:
[EMAIL PROTECTED] alsa-driver-0.9.8]$ ./configure --with-isapnp=no --with-sequencer=yes --with-oss=yes --with-cards=au8820
Performing a 'make; make install' ends with a message saying that there are unresolved symbols in module snd-au8820.o. Digging a bit deeper, we can find which symbols are unresolved:
[EMAIL PROTECTED] alsa-driver-0.9.8]# depmod -ae
depmod: *** Unresolved symbols in /lib/modules/2.4.20-20.7/kernel/sound/pci/au88x0/snd-au8820.o
depmod: snd_mpu401_uart_new_Ra9ec76fd
depmod: snd_mpu401_uart_interrupt_Rff6d4aa3
depmod: snd_ac97_mixer_Rdd7e1738
By comparing the ALSA driver 0.9.8 source tree to the CVS repository at the OpenVortex web site where the vortex driver was developed, I found that there were some missing lines in several Makefiles in the ALSA tree. In the OpenVortex CVS repository, these lines appear in Makefiles under alsa-kernel/ but my understanding is that a driver shouldn't touch these files until it is included in alsa-kernel/, so I added the lines to the corresponding Makefiles outside of alsa-kernel/. I'm not 100% sure if all the dependencies I've added are necessary--I just blindly copied lines from the OpenVortex CVS. Someone with a better understanding of the driver can double-check me.
After making these modifications (see patch below), the vortex driver compiled with no unresolved symbols on my system, and is working great. Thanks to ALSA and the OpenVortex guys for getting my soundcard working without having to use the old binary-only Aureal driver.
-Eric Hathaway
--------------- BEGIN PATCH -----------------------
diff -ur alsa-driver-0.9.8/acore/Makefile
alsa-driver-0.9.8-patched/acore/Makefile
--- alsa-driver-0.9.8/acore/Makefile Tue Sep 16 06:14:03 2003
+++ alsa-driver-0.9.8-patched/acore/Makefile Tue Oct 21 22:21:12 2003
@@ -10,6 +10,9 @@
obj-$(CONFIG_SND_SERIALMIDI) += snd-rawmidi.o snd.o
obj-$(CONFIG_SND_MSND_PINNACLE) += snd-pcm.o snd-timer.o snd-page-alloc.o snd.o snd-rawmidi.o
obj-$(CONFIG_SND_USB_US428) += snd-pcm.o snd-timer.o snd-page-alloc.o snd.o snd-rawmidi.o snd-hwdep.o
+obj-$(CONFIG_SND_AU8810) += snd-pcm.o snd-timer.o snd-page-alloc.o snd.o snd-rawmidi.o
+obj-$(CONFIG_SND_AU8820) += snd-pcm.o snd-timer.o snd-page-alloc.o snd.o snd-rawmidi.o
+obj-$(CONFIG_SND_AU8830) += snd-pcm.o snd-timer.o snd-page-alloc.o snd.o snd-rawmidi.o
export-objs := sound.o pcm.o pcm_lib.o rawmidi.o timer.o hwdep.o memalloc.o
diff -ur alsa-driver-0.9.8/acore/seq/Makefile
alsa-driver-0.9.8-patched/acore/seq/Makefile
--- alsa-driver-0.9.8/acore/seq/Makefile Mon Jun 2 09:03:38 2003
+++ alsa-driver-0.9.8-patched/acore/seq/Makefile Tue Oct 21 22:21:20 2003@@ -7,6 +7,9 @@
obj-$(CONFIG_SND_SERIALMIDI) += snd-seq-midi.o snd-seq.o snd-seq-device.o snd-seq-midi-event.o
obj-$(CONFIG_SND_MSND_PINNACLE) += snd-seq-midi.o snd-seq.o snd-seq-device.o snd-seq-midi-event.o
+obj-$(CONFIG_SND_AU8810) += snd-seq-midi.o snd-seq.o snd-seq-device.o snd-seq-midi-event.o snd-seq-instr.o
+obj-$(CONFIG_SND_AU8820) += snd-seq-midi.o snd-seq.o snd-seq-device.o snd-seq-midi-event.o snd-seq-instr.o
+obj-$(CONFIG_SND_AU8830) += snd-seq-midi.o snd-seq.o snd-seq-device.o snd-seq-midi-event.o snd-seq-instr.o
export-objs := seq_device.o seq.o seq_instr.o seq_midi_emul.o \
seq_midi_event.o seq_virmidi.o
diff -ur alsa-driver-0.9.8/drivers/mpu401/Makefile
alsa-driver-0.9.8-patched/drivers/mpu401/Makefile
--- alsa-driver-0.9.8/drivers/mpu401/Makefile Mon Jun 2 09:03:39 2003
+++ alsa-driver-0.9.8-patched/drivers/mpu401/Makefile Tue Oct 21 22:21:36 2003@@ -3,6 +3,10 @@
include $(TOPDIR)/toplevel.config
include $(TOPDIR)/Makefile.conf
+obj-$(CONFIG_SND_AU8810) += snd-mpu401-uart.o +obj-$(CONFIG_SND_AU8820) += snd-mpu401-uart.o +obj-$(CONFIG_SND_AU8830) += snd-mpu401-uart.o + export-objs := mpu401_uart.o
TOPDIR = $(MAINSRCDIR)
diff -ur alsa-driver-0.9.8/pci/ac97/Makefile
alsa-driver-0.9.8-patched/pci/ac97/Makefile
--- alsa-driver-0.9.8/pci/ac97/Makefile Sun Feb 9 13:35:57 2003
+++ alsa-driver-0.9.8-patched/pci/ac97/Makefile Tue Oct 21 22:21:49 2003 @@ -3,6 +3,10 @@
include $(TOPDIR)/toplevel.config
include $(TOPDIR)/Makefile.conf
+obj-$(CONFIG_SND_AU8810) += snd-ac97-codec.o +obj-$(CONFIG_SND_AU8820) += snd-ac97-codec.o +obj-$(CONFIG_SND_AU8830) += snd-ac97-codec.o + export-objs := ac97_codec.o ak4531_codec.o
TOPDIR = $(MAINSRCDIR) --------------- END PATCH -----------------------
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