[OLPC-devel] Re: OLPC development board

[Jaya Kumar]

On 6/7/06, Jim Gettys <jg at laptop.org> wrote:
> Good to hear.
>
> We're about to get a driver version from ADI, that is supposed to
> support deep sleep in the ADI1888 we use.  It would be good if you could
> look that over and test it.

Yup, will do.

>
> Marcelo's patch is working fine here in Cambridge.

Understood. By the way, just for fun, I poped in an Xorg tree using
the amd_drv rather than fbdev and gave it a run. I ran mplayer using
the xv video output path. I played a couple of MPEG2 files and the
video/audio run fine. They seemed to stay in-sync and no frame
dropping. I also tried with a couple of other codecs: xvid, wmv  and
they seem ok too. I haven't tried theora yet since the version of
mplayer I had seem to only decode the audio out of ogm files. I can
imagine the laptop playing video documentaries and school tutorials,
agricultural best practices, health things like disease prevention,
HIV/AIDS education which could be distributed on USB thumbdrives.

Coming back to audio, as Marcelo pointed out in his original email,
the current patch is not necessarily the right method to solve the
underlying AC97 + AD18xx conflicting controls issue. The next step is
to figure out together with the ALSA team a solution that is mergable
with mainline. I've sent email to Marcelo, Jordan and ALSA folk with
proposed solutions.

One piece of feedback about the board distribution in South Asia. It'd
be good to include the U.FL 1.9mm female connectors and antennae in a
board kit together with the board because it's hard to find stores
here that stock that.

By the way, the wiki
http://wiki.laptop.org/index.php/Hardware_specification says:
Wireless: Marvell 83W8388

which is getting copied all over the web. I think it should be:
Marvell_88W8388

While looking up this chip, I was amused to see
http://www.free60.org/wiki/Wifi_Adapter:

Feature of 88W8388: 8385 + TCP/IP termination NAND Flash I/F Audio Codec I/F

I haven't looked at the specs but maybe that NAND Flash I/F could be
useful to Dave.

Thanks,
jaya