Ok. This is probably the fastest-resolved issue on this list ever. By looking to some not subwoofer-related posts on this list I found that adding the option "index=0" to the module could be a good idea for solving some other problem I can't remember right now. So, since I was feeling I had nothing to lose, I tried it. So, I added the line "options snd-hda-intel index=0 model=ref" to my /etc/modprobe.conf and I finally got the LFE control. I hope this helps people with similar problems. Regards, - Celso Gorrín. Celso Gorrín wrote: > Hi: > > I own a Dell XPS M1710 which has an "Intel Corporation 82801G (ICH7 > Family) High Definition Audio Controller (rev 01)" according to lspci, > and I am using the snd-hda-intel module to control it. > > I have installed alsa and everything is working fine except for the > subwoofer that does not sound at all. > > I googled a lot but I did not find anything useful. The only thing I > found that worked for a couple of people was adding "options > snd-hda-intel model=ref", to my /etc/modprobe.conf. I did it but nothing > changed. This was supposed to make a new volume control (called "LFE") > to be shown in alsamixer, and that was supposed to let me control the > subwoofer volume, but nothing happened. I also tried with > "option=6stack", "option=full", "option=3stack" but none of them made > any difference. > > I am running Archlinux and my "uname -a" output is: > > ============ > Linux hades 2.6.22-ARCH #1 SMP PREEMPT Sun Aug 12 12:15:58 CEST 2007 > i686 Intel(R) Core(TM)2 CPU T7200 @ 2.00GHz GenuineIntel GNU/Linux > ============ > > My "lsmod | grep snd" output is: > > ============ > snd_usb_audio 74848 0 > snd_usb_lib 14592 1 snd_usb_audio > snd_rawmidi 19232 1 snd_usb_lib > snd_hwdep 7300 1 snd_usb_audio > snd_seq_oss 29312 0 > snd_seq_midi_event 6528 1 snd_seq_oss > snd_seq 46672 4 snd_seq_oss,snd_seq_midi_event > snd_seq_device 6924 3 snd_rawmidi,snd_seq_oss,snd_seq > snd_hda_intel 17048 1 > snd_hda_codec 235800 2 hsfhda,snd_hda_intel > snd_pcm_oss 38560 0 > snd_pcm 69124 4 > snd_usb_audio,snd_hda_intel,snd_hda_codec,snd_pcm_oss > snd_timer 19204 2 snd_seq,snd_pcm > snd_page_alloc 7816 2 snd_hda_intel,snd_pcm > snd_mixer_oss 14592 1 snd_pcm_oss > snd 44644 14 > snd_usb_audio,snd_rawmidi,snd_hwdep,snd_seq_oss,snd_seq,snd_seq_device,snd_hda_intel,snd_hda_codec,snd_pcm_oss,snd_pcm,snd_timer,snd_mixer_oss > soundcore 6496 1 snd > usbcore 112264 9 > uvcvideo,snd_usb_audio,snd_usb_lib,usbhid,hci_usb,hsfosspec,ehci_hcd,uhci_hcd > ============ > > My "amixer" output: > > ============ > Simple mixer control 'Master',0 > Capabilities: pvolume pswitch > Playback channels: Front Left - Front Right > Limits: Playback 0 - 31 > Mono: > Front Left: Playback 3 [10%] [-42.00dB] [on] > Front Right: Playback 3 [10%] [-42.00dB] [on] > Simple mixer control 'PCM',0 > Capabilities: pvolume > Playback channels: Front Left - Front Right > Limits: Playback 0 - 255 > Mono: > Front Left: Playback 255 [100%] [0.00dB] > Front Right: Playback 255 [100%] [0.00dB] > Simple mixer control 'LFE',0 > Capabilities: pvolume pvolume-joined pswitch pswitch-joined > Playback channels: Mono > Limits: Playback 0 - 31 > Mono: Playback 31 [100%] [0.00dB] [off] > Simple mixer control 'IEC958',0 > Capabilities: pswitch pswitch-joined cswitch cswitch-joined > Playback channels: Mono > Capture channels: Mono > Mono: Playback [off] Capture [off] > Simple mixer control 'Capture',0 > Capabilities: cvolume cswitch > Capture channels: Front Left - Front Right > Limits: Capture 0 - 15 > Front Left: Capture 9 [60%] [13.50dB] [on] > Front Right: Capture 9 [60%] [13.50dB] [on] > Simple mixer control 'Capture Mux',0 > Capabilities: volume > Playback channels: Front Left - Front Right > Capture channels: Front Left - Front Right > Limits: 0 - 4 > Front Left: 4 [100%] [40.00dB] > Front Right: 4 [100%] [40.00dB] > Simple mixer control 'Input Source',0 > Capabilities: enum > Items: 'Mic' 'Front Mic' 'Line' > Item0: 'Mic' > ============ > > I also tried installing alsa from source from the alsa-project website > tarballs, but, again, nothing happened. > > Any clues? > > Thank you very much in advance, > - Celso. > > > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Splunk Inc. > Still grepping through log files to find problems? 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