Subject: Re: audio.
To: Robert Swindells <>
From: Herb Peyerl <>
List: port-hpcarm
Date: 02/07/2003 07:16:40
Robert Swindells <>  wrote:
 > Herb Peyerl wrote:
 > >Robert Swindells <>  wrote:
 > > > 
 > > > >So, anyone bothered to look at the audio on the jornada?
 > > > 
 > > > Audio on the J7xx uses the Philips UDA1341 codec attached to the SA1111.
 > > > 
 > >There is what appears to be some parts of a driver in dev/uda1341.c
 > >by but I don't understand how it's all wired
 > >up and what it should be talking to.
 > It is written for the iPAQ, which talks to it using 5 GPIO lines and
 > some EGPIO lines for power control. It doesn't seem to be wired up to
 > any of the audio stuff yet.

The question I have is, 'how do we _know_ there's a UDA1341 in the 
J720 and how do we know how it's wired up?'

It's hard to get a grasp on what an audio driver would look like when 
you don't know where things are wired up.  Anyone know of some specific
document other than the shameful Penguix source?

Real PC Serial console & remote reset - The PC Weasel!