Dan Farrell wrote: > On Tue, 27 Feb 2007 20:59:21 +0100 > Jakob Buchgraber <[EMAIL PROTECTED]> wrote: > > >> b.n. wrote: >> >>> Jakob Buchgraber ha scritto: >>> >>> >>>> Hi! >>>> >>>> I just read about the required ALSA_CARDS variable when using >>>> in-kernel drivers in the Gentoo Newsletter. Since I am using >>>> in-kernel ALSA drivers I would like to know what changed and why >>>> this is required? Is this explained somewhere? I am using >>>> vanilla-sources (not gentoo-sources). So do I need to set >>>> ALSA_CARDS when using vanilla-sources too? >>>> >>>> >>> The GWN seems clear: >>> "for users using the in-kernel drivers, they >>> should now properly set that variable" >>> >>> I think that the other alsa packages must be aware of it. Anyway I >>> think setting it shouldn't harm. >>> >>> m. >>> >>> >>> >> Thank you for your reply! >> >> It's clear to me that setting the variable doesn't harm however I'd >> like to know why exactly. Does anybody have in-detail informations? >> >> Cheers, >> Jay >> > I use the kernel drivers exclusively, and never set ALSA_CARDS or > anything else for that matter. Emerge alsa-utils and turn up the > volume and it always works for me. Maybe there's a different reason > for ALSA_CARDS than I understand. I know the x11 "VIDEO_CARDS" setting > helps not only X, but other programs too, decide which hardware to > support. The same may be true of ALSA_CARDS. I would think though, > that this would be most important for people using the ALSA-supplied > drivers, as in-kernel drivers are selected at kernel configuration > time and alsa-provided drivers must use another way to specify which > sound hardware to support. >
For me actually it's enough when gentoo devs say "do it" ;-) ..but here's even something else: If you don't set it, then portage sets it for you. Try "emerge --info | grep ALSA" and you'll see that ALSA_CARDS has (may be) all the possible values. If you set it by yourself, it would have only the value [or values] you choose. I prefer the latter. ;-) [*] - in case you have multiple cards -- Best regards, Daniel -- [email protected] mailing list
