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From: Paul Collins <paul@briny.ondioline.org>
To: Johannes Berg <johannes@sipsolutions.net>
Subject: Re: snd-aoa status update / automatic driver loading
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Date: Sat, 20 May 2006 01:13:38 +1000
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Johannes Berg <johannes@sipsolutions.net> writes:

> On Sat, 2006-05-20 at 00:40 +1000, Paul Collins wrote:
>
>> Here's the dmesg after "modprobe i2sbus":
>> 
>> May 20 00:35:51 briny kernel: i2sbus: mapped i2s control registers
>> May 20 00:35:51 briny kernel: i2sbus: control register contents:
>> May 20 00:35:51 briny kernel: i2sbus:    fcr0 = 0x0
>> May 20 00:35:51 briny kernel: i2sbus:    cell_control = 0x0
>> May 20 00:35:51 briny kernel: i2sbus:    fcr2 = 0x4ef1c25
>> May 20 00:35:51 briny kernel: i2sbus:    fcr3 = 0x0
>> May 20 00:35:51 briny kernel: i2sbus:    clock_control = 0x0
>> May 20 00:35:51 briny kernel: layout id is 51
>
> Did you have the changed modules installed? Otherwise you'd also have to
> manually load snd_aoa_fabric_layout and possibly snd_aoa_codec_tas or
> so. If you had them installed the MODULE_ALIAS("sound-layout-51");
> should have made it load automatically.

Yep, I did make install after the build.  And modinfo
/lib/modules/`uname -r`/kernel/sound/aoa/snd-aoa-fabric-layout.ko
shows ones of the aliases as "sound-layout-51".

I did a fresh boot with snd-powermac renamed out of the way, and now I
get even less action: nothing logged in dmesg, and when I unload all
five modules and probe snd-powermac (having renamed it back) I get

May 20 01:08:29 briny kernel: snd: can't request rsrc  0 (Sound Control: 0x80010000:80010fff)

Then when I removed snd-powermac and probed i2sbus I got the same

May 20 01:10:00 briny kernel: i2sbus: mapped i2s control registers
May 20 01:10:00 briny kernel: i2sbus: control register contents:
May 20 01:10:00 briny kernel: i2sbus:    fcr0 = 0x0
May 20 01:10:00 briny kernel: i2sbus:    cell_control = 0x0
May 20 01:10:00 briny kernel: i2sbus:    fcr2 = 0xb7f53c
May 20 01:10:00 briny kernel: i2sbus:    fcr3 = 0x0
May 20 01:10:00 briny kernel: i2sbus:    clock_control = 0x0
May 20 01:10:00 briny kernel: layout id is 51
May 20 01:10:00 briny kernel: i2sbus control destroyed

Probing snd_aoa_fabric_layout and snd_aoa_codec_tas yielded no further
dmesg output and /proc/asounds/cards remains "no soundcards".

-- 
Dag vijandelijk luchtschip de huismeester is dood