From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 26 Mar 2001 08:24:48 -0700 From: Tom Rini To: Iain Sandoe Cc: Benjamin Herrenschmidt , linuxppc-dev@lists.linuxppc.org Subject: Re: dmasound hangs on new G4s (2) Message-ID: <20010326082448.J16672@opus.bloom.county> References: <20010326120026.59A232EFC1@apollo.valhalla.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20010326120026.59A232EFC1@apollo.valhalla.net>; from iain@sandoe.co.uk on Mon, Mar 26, 2001 at 01:00:22PM +0100 Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: On Mon, Mar 26, 2001 at 01:00:22PM +0100, Iain Sandoe wrote: > > >>Okay, dmasound compiled in hangs the new G4s, but this change had no effect > >>on it otherwise (I also have a few Bogus interrupts, w/ or w/o this). > > > > One of those new G4s that have the new "digital sound" chip ? > >If I remember correctly, they have no AWACS, but an ibook-like chip on the > > I2S bus. I beleive it's normal dmasound doesn't work properly with it. > > "Tumbler" audio (whatever that is ;-))) [WWDC, Ben?] > > OK - could you send me the device-tree stuff? - and I'll compare it with > what we've got. It's whatever is in the new G4s. And I do believe there was an i2s bus in OF when I was poking around before. > http://tibit.org/ppc/ has a nice (if somewhat slow) script that turns the > dev-tree into html. I'll shoot this off to you privately in a bit. > With the BK _2_4 tree (and no other patches) i2s-a is checked and connected > for output - *but* there may be a 'mixer-related' issue (because that's > different too). I've fixed that up for the iBook (so that it doesn't try > and do any AWACS-related stuff).... but that won't work for the new G4 > necessarily. Okay. I'll see what happens when I enable modules in a bit as well... -- Tom Rini (TR1265) http://gate.crashing.org/~trini/ ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/