Re: ATI IXP SPDIF

[Takashi Iwai <tiwai@suse.de>]

At Wed, 26 May 2004 15:19:05 -0700,
Alex Song wrote:
> 
> hi,
> 
> i happened to have that ASUS mobo (P4R800-VM) which has an ATIIXP/AD1888 and
> both PCM and ac3 pass through works with SPDIF.
> but the board i am trying to get working has an ATIIXP/ALC655 and i had a
> look at the realtek site and they had some drivers
> (http://www.realtek.com.tw/downloads/dlac97-2.aspx?lineid=5&famid=12&series=
> 8&Software=True) which looks like they were based off alsa-1.0.4. just doing
> a quick diff i see that they added some SPDIF stuff amongst other things.
> after testing and some code diffing this is what i figured:
> 
> alsa-1.0.4			broken atiixp-spdif	broken alc655-spdif
> realtek-alsa-1.0.4	broken atiixp-spdif	working alc655-spdif
> alsa-cvs			working atiixp-spdif	broken alc655-spdif
> 
> i am going to try and hack together some combination of realtek-alsa-1.0.4
> and alsa-cvs and see if what i figured is right or not. it would be great if
> one of the alsa developers can look into realtek-alsa-1.0.4 and merge those
> changes into alsa.

ok then the problem seems alc655 specific.

after a quick look, i haven't found relavant changes for the spdif.
they implemented additional switches for category but these should be already
handled if you set IEC958 status bits.

how did you test your board?


Takashi


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