At Wed, 24 Jun 2009 16:09:58 +0400, Denis Kup wrote:
Hey, when i first installed alsa to my laptop, there no sound from subwoofer, jacks were map very strange (2 surrounds for ex.). I try all models from the list, but all don't support my subwoofer. After a weak of hard work i made a patch that enables ACER_ASPIRE_7730G model for my laptop. It have ALC888S, 3 jacks, 6 channels, stereo internal frontal speakers and internal subwoofer.You can see acer.com for more info about hardware and jacks.
It's the changes i made to /alsa-kernel/pci/hda/patch_realtek.c:
Can you try Emilio's patch recently posted (and pass model=acer-aspire-6530g) with the very latest alsa-driver-snapshot? This essentially includes your changes. It's in: From: Emilio López buhitoescolar@gmail.com Subject: Re: [alsa-devel] Regarding Sound on Acer Aspire 6935G Date: Tue, 23 Jun 2009 22:32:45 -0300 Message-ID: d54969c50906231832w48ce7315uc5cf8b3f81534c76@mail.gmail.com
After changing file i install driver, and it automatically detect its model (maybe there are old settings from previous install, so i dont 100% sure that it was detected). With this settings subwoofer works perfect, internal stereo and subwoofer mute when headphone are plugged all works, except 1 thing: subwoofer uses center channel instead LFE. To fix it i use such asound.conf file:
...
Is there any chance to swap Center and LFE in patch_realtek.c?
Unlikely as ALC888* doesn't support the channel-swap feature (although some other ALC codecs do).
thanks,
Takashi