Date: Fri, 17 Feb 2012 08:08:18 -0800 From: Freddie Cash <fjwcash@gmail.com> To: Alex Goncharov <alex-goncharov@comcast.net> Cc: matt <sendtomatt@gmail.com>, freebsd-hackers@freebsd.org, hselasky@c2i.net Subject: Re: 8 to 9: Kernel modularization -- did it change? Message-ID: <CAOjFWZ6WM1bLEwaBiUE50Gj4MrwxefDWFb85ecRtYkSDuZ0erg@mail.gmail.com> In-Reply-To: <E1RyQHy-000IjV-UR@hans3> References: <E1RyPNW-000If4-5Y@hans3> <201202171612.36971.hselasky@c2i.net> <4F3E72B7.2050005@gmail.com> <E1RyQHy-000IjV-UR@hans3>
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On Fri, Feb 17, 2012 at 8:04 AM, Alex Goncharov <alex-goncharov@comcast.net> wrote: > ,--- You/matt (Fri, 17 Feb 2012 07:31:03 -0800) ----* > | It's in the kernel in later versions of 9-CURRENT and in 9-RELEASE on. > | > | You can't kldload or unload it because it's not a module, but part of > | the kernel. > | That doesn't preclude the presence of the file, I think. > | > | 'kldstat -v | less' should show you what's "in there". > > Thanks, indeed: > > ---------------------------------------- > uname -sr; echo ==; kldstat | grep hda; echo ==; kldstat -v | grep hda > => > FreeBSD 8.2-STABLE > == > 11 1 0xffffffff81039000 14580 snd_hda.ko > == > 11 1 0xffffffff81039000 14580 snd_hda.ko (/boot/kernel/snd_hda.ko) > 456 hdac/snd_hda_pcm > 457 pci/snd_hda > ---------------------------------------- > > uname -sr; echo ==; kldstat | grep hda; echo ==; kldstat -v | grep hda > => > FreeBSD 9.0-STABLE > == > == > 253 pci/snd_hda > 252 hdac/snd_hda_pcm > ---------------------------------------- > > But am I not screwed up then? -> > > I need to adjust the sound card pin assignments so that the sound can > be directed to the headphones when they are plugged in. > > With FreeBSD 8, on several machines, I had gone through somewhat > painful but ultimately meaningful and manageable routine of building > the device.hints file. > > Essentially (consider the following an non-ordered set): > > kldunload snd_hda.ko > kenv | grep hdac > sysctl hw.snd.verbose > sysctl hw.snd.verbose=4 > kldload snd_hda.ko > cat /dev/sndstat > dmesg | grep ^hdac0 > kenv hint.hdac.0.cad0.nid15.config="as=1 seq=15 device=Headphones" > kldload snd_hda.ko > > I don't believe I can do it now that the snd_hda module cannot be > reloaded in a modified kernel environment. > > So, how do I go about finding and modifying the sound card pin > assignments in FreeBSD 9? (If I can't do it without temporarily > installing FreeBSD 8, it would be a huge disappointment. :) Stick the hint into /boot/loader.conf and reboot. -- Freddie Cash fjwcash@gmail.com
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