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From: Takashi Iwai <tiwai@suse.de>
To: raoxu <raoxu@uniontech.com>
Cc: perex@perex.cz, tiwai@suse.com, peter.ujfalusi@linux.intel.com,
	kai.vehmanen@linux.intel.com, tglx@kernel.org,
	broonie@kernel.org, stuart.a.hayhurst@gmail.com,
	wangruikang@iscas.ac.cn, zhangheng@kylinos.cn,
	cassiogabrielcontato@gmail.com, linux-sound@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ALSA: hda: Add Lisuan HDMI controller and codec support
Date: Mon, 17 Aug 2026 13:51:39 +0200	[thread overview]
Message-ID: <878q65rmlw.wl-tiwai@suse.de> (raw)
In-Reply-To: <DE1B62191D573D37+20260817085531.992573-1-raoxu@uniontech.com>

On Mon, 17 Aug 2026 10:55:31 +0200,
raoxu wrote:
> 
> From: Xu Rao <raoxu@uniontech.com>
> 
> 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 <raoxu@uniontech.com>

Applied now.  Thanks.


Takashi

      reply	other threads:[~2026-08-17 11:51 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-17  8:55 raoxu
2026-08-17 11:51 ` Takashi Iwai [this message]

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