[alsa-devel] Passing audio info from HDMI EDID beside speaker allocation

Patrick Lai plai at codeaurora.org
Mon Oct 8 08:18:24 CEST 2012

On 10/4/2012 11:50 PM, Patrick Lai wrote:
> Hi Takashi,
> You proposed snd_pcm_query_chmaps() to query underlying hardware
> speaker allocation. Please correct me if I have wrong understanding of
> this API. On the other hand, HDMI EDID contains audio data other than
> speaker allocation such as audio formats(LPCM, AC3, and etc). How are
> these information other than speaker allocation passed back to the
> user-space? Are there a standard kernel and alsa query interfaces now?
> Thanks
> Patrick

Does anyone else have feedback for my query to Takashi?

Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.

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