The following issue has been SUBMITTED. ====================================================================== <https://bugtrack.alsa-project.org/alsa-bug/view.php?id=2191> ====================================================================== Reported By: kickstart Assigned To: ====================================================================== Project: ALSA - driver Issue ID: 2191 Category: PCI - intel8x0 Reproducibility: always Severity: major Priority: normal Status: new Distribution: Linux Slackware Kernel Version: 2.6.16.19 vanilla ====================================================================== Date Submitted: 06-07-2006 20:35 CEST Last Modified: 06-07-2006 20:35 CEST ====================================================================== Summary: No sound on intel8x0 - 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Audio Controller Description: Hi all, I've Packard Bell A8810 running linux Slackware current, with the same problem. - My lspci: 00:00.0 Host bridge: Intel Corporation Mobile 915GM/PM/GMS/910GML Express Processor to DRAM Controller (rev 03) 00:02.0 VGA compatible controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 03) 00:02.1 Display controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 03) 00:1c.0 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 1 (rev 04) 00:1d.0 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #1 (rev 04) 00:1d.1 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #2 (rev 04) 00:1d.2 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #3 (rev 04) 00:1d.3 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #4 (rev 04) 00:1d.7 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB2 EHCI Controller (rev 04) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev d4) 00:1e.2 Multimedia audio controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Audio Controller (rev 04) 00:1e.3 Modem: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Modem Controller (rev 04) 00:1f.0 ISA bridge: Intel Corporation 82801FBM (ICH6M) LPC Interface Bridge (rev 04) 00:1f.1 IDE interface: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) IDE Controller (rev 04) 00:1f.3 SMBus: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) SMBus Controller (rev 04) 06:01.0 CardBus bridge: Texas Instruments PCIxx21/x515 Cardbus Controller 06:01.2 FireWire (IEEE 1394): Texas Instruments OHCI Compliant IEEE 1394 Host Controller 06:01.3 Mass storage controller: Texas Instruments PCIxx21 Integrated FlashMedia Controller 06:03.0 Network controller: Intel Corporation PRO/Wireless 2200BG (rev 05) 06:08.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) With linux kernel 2.6.16.19 vanilla [ alsaconf 1.0.11 ] sound card is detected and alsaconf reports: =============================================================================== Now ALSA is ready to use. For adjustment of volumes, use your favorite mixer. Have a lot of fun! but no sound! lsmod output: root@albino:~# lsmod Module Size Used by snd_seq_dummy 3844 0 snd_seq_oss 36864 0 snd_seq_midi_event 7296 1 snd_seq_oss snd_seq 58832 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event snd_seq_device 9100 3 snd_seq_dummy,snd_seq_oss,snd_seq snd_pcm_oss 61856 0 snd_mixer_oss 20096 3 snd_pcm_oss snd_intel8x0 34844 2 snd_ac97_codec 96928 1 snd_intel8x0 snd_ac97_bus 2304 1 snd_ac97_codec snd_pcm 101256 3 snd_pcm_oss,snd_intel8x0,snd_ac97_codec snd_timer 27524 2 snd_seq,snd_pcm snd 60516 10 snd_seq_dummy,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer soundcore 10336 3 snd snd_page_alloc 11400 2 snd_intel8x0,snd_pcm i2c_i801 8972 0 i2c_core 22288 1 i2c_i801 ipw2200 116268 0 cat /proc/asound/cards 0 [ICH6 ]: ICH4 - Intel ICH6 Intel ICH6 with unknown codec at 0xb0040800, irq 16 - The audio codec seems to be a Conexant 20468-31 AC'97: http://support.packardbell.com/it/item/index.php?i=spec_sound_cnx20468-31&ppn=PB30Q01306] - Conexant info: http://www.conexant.com/products/entry.jsp?id=24 This laptop seems quite similar to NEC Versa s940: http://forum.hardware.fr/hardwarefr/MiniPCPortablesPDA/Topic-Unique-NEC-Versa-S940-Packard-Bell-EasyNote-A5510-A7715-sujet-17891-1.htm http://www.nec-online.co.nz/Products/Product_Specs.asp?CID=9&RangeID=15&CatID=30&ModID=79 Since this audio codec family seems to bee supported ( see sound/pci/ac97/ac97_codec.c ) with id = 0x43585428 Cx20468 , I've compiled a vanilla 2.6.16.19 kernel adding my ac97_codec_id taken from: cat /proc/asound/card0/codec97#0/ac97#0-0+regs <snip> 0:7c = 4358 0:7e = 5431 My ID = 0x43585431 [ 0:7c + 0:7e value ] to sound/pci/ac97/ac97_codec.c <snip> { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II { 0x43585428, 0xfffffff8, "Cx20468",patch_conexant, NULL }, // SmartAMC fixme: { 0x43585431, 0xffffffff, "Cx20468-31",patch_conexant, NULL }, // <-- ADDED { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL }, <snip> Now, cat /proc/asound/cards gives: 0 [ICH6 ]: ICH4 - Intel ICH6 Intel ICH6 with Cx20468-31 at 0xb0040800, irq 16 but STILL NO SOUND! Note: Same problem on FreeBSD 6.1 and OpenBSD 3.9 ! UPDATE: Searching 'CX20468 datasheet' on Google, I've found this datasheet: http://www.google.it/url?sa=U&start=10&q=http://www.alsa-project.org/alsa/ftp/manuals/conexant/100965aSmartAMC-AudioModemCodec.pdf&e=15235&ei=k12ARMTmAa-giAKgwvmjDQ I can provide remote access to my laptop to alsa developers, if needed. ====================================================================== Issue History Date Modified Username Field Change ====================================================================== 06-07-06 20:35 kickstart New Issue 06-07-06 20:35 kickstart Distribution => Linux Slackware 06-07-06 20:35 kickstart Kernel Version => 2.6.16.19 vanilla ====================================================================== _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-devel