On Thu, 16 Aug 2007, Celso Gorrín wrote:
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.
These options are almost insane. As was posted here there are over a hundred options for various and sundry things. And very little that tells you what they actually do. Eg, model=ref-- what does that mean? And index=0? What index? and why 0, ratehr than 5897? Surely the driver is the thing which knows best what it should be trying. Are there not some tests that the driver could carry out to set these options on its own? I am frustrated because I am trying to test a new computer ( the Toshiba U300 series) to see if sound will work on them, since sound is important for its use. I have a live disk (MCNLive) to use to test, but with this huge list of options, it is almost impossible to do so, while standing on one leg in the shop hoping a salesman does not see me and ask what I am doing. I realise that this is not entirely the writer's fault, since the manufacturers seem to delight in making their system different in some entirely inconsequential but crucial way.
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? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
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