woensdag 31 oktober 2007

HDA Intel Audio on Dell Latitude D630 (tested on Debian)

First let us look what hardware my audio card is:
lspci | grep -i audio
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02)

More detailed:
lspci -vv | grep -i audio
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller
(rev 02)
Subsystem: Dell Unknown device 01f9
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Step
ping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 21
Region 0: Memory at fe9fc000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=55mA PME(D0+,D1-,D2-,D3ho
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0
Address: 0000000000000000 Data: 0000
Capabilities: [70] Express Unknown type IRQ 0
Device: Supported: MaxPayload 128 bytes, PhantFunc 0, ExtTag-
Device: Latency L0s unlimited, L1 unlimited
Device: Errors: Correctable- Non-Fatal- Fatal- Unsupported-
Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop+
Device: MaxPayload 128 bytes, MaxReadReq 128 bytes
Link: Supported Speed unknown, Width x0, ASPM unknown, Port 0
Link: Latency L0s <64ns, L1 <1us
Link: ASPM Disabled CommClk- ExtSynch-
Link: Speed unknown, Width x0
Capabilities: [100] Virtual Channel
Capabilities: [130] Unknown (5)

Ok, it seems that I need the hda-intel modules.
But it looks like the necessary modules are already loaded.

This is what you have to do to fix this:
Download this source tarball:
wget ftp://ftp.alsa-project.org/pub/driver/alsa-driver-1.0.15rc3.tar.bz2
tar jxvf alsa-driver-1.0.15rc3.tar.bz2
cd alsa-driver-1.0.15rc3
make install # as root

Source: http://forum.ubuntu-nl.org/topic/14940/1

To configure alsa for your audio card use alsaconf:
apt-get install alsa-utils

Select the appropriate card (hda-intel)
Be sure your audio channels aren't muted

See for the "front" channel, it should have "00" at the bottom.
If there is "MM" instead of "00" under the channel it is muted; use the "m" on your keyboard to unmute.

That's it!

HINT: if you have problems getting your audio to work it is always good to use the testing (lenny branch) for apt-get and update your system(or only the packages that have to do with alsa).

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