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Date:      Sat, 24 Mar 2007 14:17:33 +0100
From:      "Emmanuel Mie" <manumie@yahoo.fr>
To:        <freebsd-multimedia@freebsd.org>
Subject:   HDAC - no sound
Message-ID:  <001701c76e16$c9071950$0201a8c0@Edmond>

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Hello,

I've just landed on FreeBSD planet, so things are still a bit confused, =
but I'm trying.

I have a Dell Inspiron 640m (Core2Duo T5500) with Intel 82801G ICH7 =
integrated sound device.

I get no particular error or warning (see various outputs below), but I =
have no sound at all (either in KDE or in console # cat anyfile > =
/dev/dsp), I just can't figure it out.

I've been trying to get sound working, with the hdac drivers from Mr =
Ariff's page. I "made" hdac.ko, it didn't work. I patched it with both =
current.diff and snd_RELENG_6_20070312_150_lowlatency.diff.gz  (I've got =
to be honest : I didn't really know what I was doing)
There were errors : hunks failed, and it seems it didn't find hdac.c to =
patch - I had not redirected the output, so it's lost, unless there's =
some kind of log ?

I tried various setups and entries in /boot/loader.conf - nothing =
worked, so I removed all sound related entries, rebooted, and simply=20
# kldstat hdac

Here are the outputs :

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
# uname -a
FreeBSD  6.2-RELEASE FreeBSD 6.2-RELEASE #0: Tue Mar 13 15:24:47 CET =
2007     root@:/usr/obj/usr/src/sys/GENERIC  i386

# pciconf -lv | grep -B 4 multimedia
    class    =3D display
pcm0@pci0:27:0: class=3D0x040300 card=3D0x01d81028 chip=3D0x27d88086 =
rev=3D0x01 hdr=3D0x00
    vendor   =3D 'Intel Corporation'
    device   =3D '82801G (ICH7 Family) High Definition Audio'
    class    =3D multimedia

# dmesg | grep ^pcm
pcm0: <Intel 82801G High Definition Audio Controller> mem =
0xefebc000-0xefebffff irq 21 at device 27.0 on pci0
pcm0: Output Streams: 4, Input Streams: 4, Bidirectional Streams: 0
pcm0: CORB Size: 256, RIRB Size: 256
pcm0: Cap 1d0541 sf 0 st 0
pcm0: Set 0:3 10
pcm0: Cap 140311 sf e0160 st 5
pcm0: Set 0:4 20

# sysctl hw.snd.verbose=3D'2' ; cat /dev/sndstat
FreeBSD Audio Driver (newpcm)
Installed devices:
pcm0: <Intel 82801G High Definition Audio Controller> w00t (1p/1r/0v =
channels duplex default)
 [pcm0:play:0:dsp0.0]: spd 0, fmt 0x00000000/0x00000008, flags =
0x00000000, 0x00000000
 interrupts 0, underruns 0, ready 0 [b:4096/2048/2|bs:0/0/0]
 {userland} -> feeder_root(0x00000000) -> {hardware}
 [pcm0:record:0:dsp0.1]: spd 0, fmt 0x00000000/0x00000008, flags =
0x00000000, 0x00000000
 interrupts 0, overruns 0, hfree 4096, sfree 0 [b:4096/2048/2|bs:0/0/0]
 {hardware} -> feeder_root(0x00000000) -> {userland}

# sysctl hw.snd
hw.snd.report_soft_formats: 1
hw.snd.targetirqrate: 32
hw.snd.verbose: 2
hw.snd.maxautovchans: 0
hw.snd.unit: 0
hw.snd.pcm0.buffersize: 0
hw.snd.pcm0.vchans: 0

# /usr/sbin/mixer
Mixer vol      is currently set to  75:75
Mixer rec      is currently set to   0:0
Recording source:=20
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

I also tried setting vchans to 4 but no use. As I said, I'm new to =
FreeBSD, so I may very well misunderstand the way the system works.
And I'd really like to get this sound to work, as I'm supposed to use =
this computer to go and sell music around...

Regards,=20
E. Mie



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