[alsa-devel] ICT Bits for HDMI HBR feature

Takashi Iwai tiwai at suse.de
Tue Aug 7 10:59:13 CEST 2012

At Tue, 7 Aug 2012 08:09:26 +0000,
Wang, Xingchao wrote:
> Hi Takashi,
> Should we set ICT bits when enable HDMI HBR features? Here's quote from HDA Specification Rev1.0a(page 150).
> "
> ICT[3:0] (IEC Coding Type): Programmed according to IEC standards to enable stream types for High Bit Rate Encoding. This is valid only for HDMI and Display port digital Pin Widgets.
> "
> Since HDMI HBR already works on some chips, I wonder if they set the bits correctly.

I can't find the specification right now, so I also don't know what
value should be put there.  But I thought it's expected to be zero.
Maybe it's my old memory.

So, if you find anything about it, let me know.



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