Re: [PATCH] ALSA: hda: Add Lisuan HDMI controller and codec support

Takashi Iwai <[email protected]>
Newsgroups org.kernel.vger.linux-sound,org.kernel.vger.linux-kernel
Message-ID <[email protected]> 
On Mon, 17 Aug 2026 10:55:31 +0200,
raoxu wrote:
> 
> From: Xu Rao <[email protected]>
> 
> Lisuan GPUs expose an HD-audio controller at PCI ID 4c54:5010 and an
> HDMI/DP codec with codec ID 0x4c545020.  Neither ID is currently matched
> by the HDA stack, leaving HDMI/DP audio unavailable on these devices.
> 
> The existing downstream support uses the generic HDMI codec path and
> attaches no Lisuan-specific capability flags to the controller.  Its
> dedicated AZX driver type only changes the short driver name.
> 
> Use the corresponding generic upstream paths instead: bind 4c54:5010 to
> AZX_DRIVER_GENERIC, register 0x4c545020 as MODEL_GENERIC, and add the
> Lisuan codec vendor name.  This keeps the enablement minimal and avoids
> a vendor-only AZX driver type with no vendor-specific behavior.
> 
> Signed-off-by: Xu Rao <[email protected]>

Applied now.  Thanks.


Takashi
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