At Fri, 29 Feb 2008 06:48:12 -0800, Tellman, Steven wrote: > > Takashi, > > On the XPS M1330 (and XPS M1530) the SPDIF pin of the 9228 is > hooked to the HDMI as these laptops were made before the HDMI portion > had their own audio codec portion of the transceiver. So technically, it > should be pretty simple ;) Thanks, that's good to know. Do you know any other issues that stop HDMI audio working? IIRC, ATI board has a h/w switch in the video side to enable/disable its graphic-board HDMI, for example... Also, does STAC9228 codec support verbs for controlling HDMI, e.g. converter channel count (F2Dh, 72Dh) ? Takashi > > IDT PC Audio Demo/Linux/Test > > -----Original Message----- > From: Takashi Iwai [mailto:tiwai@xxxxxxx] > Sent: Friday, February 29, 2008 5:57 AM > To: Armando Di Cianno > Cc: Tellman, Steven; alsa-devel@xxxxxxxxxxxxxxxx > Subject: Re: HDMI v. ICH8 on Dell XPS M1330 > > At Thu, 28 Feb 2008 20:29:06 -0500, > Armando Di Cianno wrote: > > > > > > On Thu, 2008-02-28 at 12:55 -0800, Tellman, Steven wrote: > > > Notice we use the "Other Digital" as the jack. Is that possibly > > > causing > > > a problem? IEC958 shows up, but doesn't provide output to HDMI > devices > > > (that I've tested). > > > > At a user level, this is definitely what I've experienced. > > > > Are there any suggestions for testing if my current ALSA > > install /should/ work, or how to find out if something is > misconfigured, > > or will simply not work? > > > > I will gladly try any suggestions, thoroughly. Thanks. > > It's a bit hard to judge right now. So far, many HDMI devices seem > not working even though it appears set up properly. I've heard that > ATI HDMI devices are working, but others are not well, e.g. on some > devices only left channel is output and on others silent. > > Moreover, I'm not pretty sure whether HDMI is connected from the > digital out of STAC codec. On many devices (e.g. ASUS ones), there is > a dedicated codec for the HDMI transmitter. > > So, right now, it's total lack of (hardware) information, > unfortuantely. > > We may try some verbs for HDMI that are not used in the current ALSA > code, at least. These verbs were extended later... > > > Takashi > _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
