Re: Re: DMX6fire Consumer AC97 not used

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At Tue, 23 May 2006 10:45:35 +0100,
Alan Horstmann wrote:
> 
> [1  <text/plain; iso-8859-1 (quoted-printable)>]
> On Monday 22 May 2006 15:05, you wrote:
> > At Mon, 22 May 2006 14:52:08 +0100,
> >
> > Alan Horstmann wrote:
> > > Another little 'tidy-up':
> > >
> > > Have always had the following log message with DMX6fire:
> > >
> > >  linux kernel: Consumer PCM code does not work well at the moment --jk
> > >  linux kernel: ALSA ac97_codec.c:1671: AC'97 0:0 does not respond - RESET
> > >  linux kernel: ALSA ac97_codec.c:1682: AC'97 0:0 access is not valid
> > > [0xffffffff], removing mixer.
> > >  linux kernel: ice1712: cannot initialize ac97 for consumer, skipped
> > >
> > > and thought the last 3 were due to the first.  However, after comparing
> > > DMX6fire with STDSP24 card, it seems to me that the 6fire doesn't have an
> > > AC97 chip, nor anywhere to connect to one in the standard front box, and
> > > the W2K drivers from Terratec don't support it.  It is remotely possible
> > > that other extension boxes may use it -but they do not have alsa support
> > > at present.
> > >
> > > BUT the eeprom data has it enabled.  As the value is checked at several
> > > places in the code, the attached patch changes the stored value for this
> > > and the previous 'Limit ADACs to 6' bits.
> > >
> > > As a result, the log now shows no evidence of ice1712 driver at all, so I
> > > added 'init...done' as in the attached 'init-message' patch.  It may be
> > > the wrong place, or not wanted at all, so I kept it separate from the
> > > AC97 patch. Hope it's OK in this case to attach both here.
> >
> > Please don't put such printk.  We don't put any info print at probe
> > unless any problem exists.
> 
> OK, it's your call on this.  To me it is useful to log major system events to 
> look back and see what was happening; there is plenty of much less useful 
> messsages in the logs, including IP addresses, every root login, and every 
> second that I don't have a CD in the drive! (need to fix that).  The au8820 
> driver does a similar init message.

But no need for addition.

> > Otherwise the change looks OK to get merged, but please fold the
> > comment within 80 columns.
> 
> Amended AC97 patch attached.

Applied.  Thanks.


Takashi


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