I have sound over my HDMI cable with the ALC888 chipset and the Chrontel HDMI Codec detected.
My question is the following. Now that i know the sound is working over the HDMI cable, I does one take all the mixer output and redirect it to the right "channel", in my case, plughw:0,3. The must some kind of way to redirect all the sound through that mixer, or line, or whatever you call it. Anyone could help me here ?
Here was the info that helped me get the sound over HDMI.
[root@localhost usr]# cat /etc/modprobe.conf
alias eth0 r8169
install scsi_hostadapter /sbin/modprobe ata_piix; /sbin/modprobe ahci; /bin/true
install usb-interface /sbin/modprobe uhci_hcd; /sbin/modprobe ehci_hcd; /bin/true
alias eth1 r8169
alias ieee1394-controller ohci1394
# Sound Card
alias snd-0 snd-hda-intel
# ALSA portion
alias char-major-116 snd
# OSS/Free portion
alias char-major-14 soundcore
alias sound-slot-0 snd-0
# card #1
alias sound-service-0-0 snd-mixer-oss
alias sound-service-0-1 snd-seq-oss
alias sound-service-0-3 snd-pcm-oss
alias sound-service-0-8 snd-seq-oss
alias sound-service-0-12 snd-pcm-oss
[root@localhost usr]# cat /proc/asound/card0/codec#* | grep Codec
Codec: Chrontel Chrontel HDMI
Codec: Realtek ALC888
[root@localhost asound]# cat pcm
00-02: ALC883 Analog : ALC883 Analog : capture 1
00-01: ALC883 Digital : ALC883 Digital : playback 1 : capture 1
00-00: ALC883 Analog : ALC883 Analog : playback 1 : capture 1
00-03: ATI HDMI : ATI HDMI : playback 1
Finnaly, I read the following bug report on alsa and the late post directed me to the right commands to test the sound output : https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3654
It made me discover "speaker-test". By using "speaker-test -D plughw:0,3" I got static noise in my speaker. From there, I tried the mplayer command : " mplayer -ao alsa:device=plughw=0.3 somefile.avi" and got the sound.
Dirk,
On mandriva 2008, the sound was working just fine with the included release of Alsa, however, I might suggest you try the following modified version of the drivers by realtek : http://www.realtek.com.tw/Downloads/downloadsView.aspx?Langid=1&PNid=14&PFid=24&Level=4&Conn=3&DownTypeID=3&GetDown=false
By the way, they seem to have a new version dated from May 15, 2008 !
To make them work, I didnt used the auto-install they give but untarred the "alsa-driver-hg2008****" archive and compiled those driver and followed the steps in the README for the modprobe tweak. I would suggest trying that.
Hope it helps, i'll try to check the mailing list more often.
Philippe-A. Lemelin.
On Sat, May 17, 2008 at 2:14 PM, Dirk Tamme <dirk.tamme@xxxxxx> wrote:
-------- Original-Nachricht --------
> Datum: Wed, 14 May 2008 10:00:29 -0400
> Von: "phil lemelin" <phil.lemelin@xxxxxxxxx>
> An: alsa-user@xxxxxxxxxxxxxxxxxxxxx
> Betreff: Realtek ALC888 - HDMI sound
Phil,
> Good morning Alsa users,
>
> I've been trying to make my HDMI sound work on my box that has a ALC888
> chipset. My linux flavor is :
>
> [root@localhost usr]# cat /etc/release
> Mandriva Linux release 2008.0 (Official) for i586
> [root@localhost usr]# uname -r
> 2.6.22.9-desktop586-1mdv
>
> Has a first step, i tried with the Alsa 1.0.16 release. I compile and
> installed it without any error. The following outputs represent what I
> gathered after installing the 1.0.16 release.
>
> [root@localhost alsa-driver-1.0.16]# cat /proc/asound/card0/codec#* | grep
> Cod
> Codec: Generic 17e8 ID 47
> Codec: Realtek ALC888
>
you have more luck concerning the ALC888 as I (with Ubuntu 7.10):
dirk@pcblue:/proc/asound$ cat cards
--- no soundcards ---
Using dmesg, I see something which could be the reason:
dmesg:
[ 23.066491] Linux Plug and Play Support v0.97 (c) Adam Belay
[ 23.066497] pnp: PnP ACPI init
[ 23.066502] ACPI: bus type pnp registered
[ 23.068233] pnp: PnP ACPI: found 15 devices
[ 23.068235] ACPI: ACPI bus type pnp unregistered
[ 23.068238] PnPBIOS: Disabled by ACPI PNP
[ 23.068267] PCI: Using ACPI for IRQ routing
[ 23.068268] PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a report
...
6.431719] cx88[0]/0: registered device video0 [v4l2]
[ 36.431731] cx88[0]/0: registered device vbi0
[ 36.431741] cx88[0]/0: registered device radio0
[ 36.561299] snd_hda_intel: disagrees about version of symbol snd_ctl_add
[ 36.561301] snd_hda_intel: Unknown symbol snd_ctl_add
[ 36.561326] snd_hda_intel: disagrees about version of symbol snd_pcm_new
[ 36.561328] snd_hda_intel: Unknown symbol snd_pcm_new
[ 36.561352] snd_hda_intel: disagrees about version of symbol snd_pcm_limit_hw
_rates
[ 36.561354] snd_hda_intel: Unknown symbol snd_pcm_limit_hw_rates
[ 36.561375] snd_hda_intel: disagrees about version of symbol snd_card_registe
r
[ 36.561376] snd_hda_intel: Unknown symbol snd_card_register
[ 36.561395] snd_hda_intel: disagrees about version of symbol snd_card_free
[ 36.561396] snd_hda_intel: Unknown symbol snd_card_free
[ 36.561414] snd_hda_intel: disagrees about version of symbol snd_pcm_lib_prea
Could it be, that I have to change a BIOS setting on my Gigabyte GA-P35-DS3L mainboard? (And if yes, which?) Or, what else could be the reason, that the sound chip is not "accepted"?
Thanks for any help,
Dirk T.
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