Re: [PATCH] ALSA: hda/cs35l41: Add DSD property override for ASUS UX3405CA

[Takashi Iwai <tiwai@suse.de>]

On Sun, 02 Aug 2026 01:00:22 +0200,
Gemayel Lira wrote:
> 
> 
> The ASUS Zenbook 14 UX3405CA (SSID 1043:1A63) has internal CS35L41
> amplifiers, but was using the missing_speaker_id_gpio2 fallback entry.
> This caused the right speaker channel to bind with VSPK voltage switch
> disabled
> (VSPK: 0), leading to a volume drop ~1 second after starting playback due to
> power imbalance protection.
> 
> Add an explicit entry for 10431A63 in cs35l41_config_table with internal boost
> type, 4500mA peak current, and switch its model mapping to generic_dsd_config.
> This resolves the volume drop issue and enables proper internal boost for both
> channels.
> 
> Pull Request on SOF Project: https://github.com/thesofproject/linux/pull/5866
> 
> Signed-off-by: Gemayel Lira <gemayellira@gmail.com>
> 
> From 10431A6300000000000000000000000000000000 Mon Sep 17 00:00:00 2001
> From: Gemayel Lira <gemayellira@gmail.com>
> Date: Sat, 1 Aug 2026 19:15:00 -0300
> Subject: [PATCH] ALSA: hda/cs35l41: Add DSD property override for ASUS UX3405CA
> 
> The ASUS Zenbook 14 UX3405CA (SSID 1043:1A63) has internal CS35L41
> amplifiers, but was using the `missing_speaker_id_gpio2` fallback entry.
> This caused the right speaker channel to bind with VSPK voltage switch disabled
> (VSPK: 0), leading to a volume drop ~1 second after starting playback due to
> power imbalance protection.
> 
> Add an explicit entry for 10431A63 in cs35l41_config_table with internal boost
> type, 4500mA peak current, and switch its model mapping to `generic_dsd_config`.
> This resolves the volume drop issue and enables proper internal boost for both channels.
> 
> Signed-off-by: Gemayel Lira <gemayellira@gmail.com>

Stefan, is this also covered in your side?
Or shall we just take this?


BTW, Gemayel, at the next time, please submit to
linux-sound@vger.kernel.org.  It's the place for kernel patches, while
alsa-devel ML is mostly for only user-space stuff.


thanks,

Takashi


> ---
>  sound/hda/codecs/side-codecs/cs35l41_hda_property.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/sound/hda/codecs/side-codecs/cs35l41_hda_property.c b/sound/hda/codecs/side-codecs/cs35l41_hda_property.c
> index 416d7bf..1cf12f8 100644
> --- a/sound/hda/codecs/side-codecs/cs35l41_hda_property.c
> +++ b/sound/hda/codecs/side-codecs/cs35l41_hda_property.c
> @@ -104,6 +104,7 @@ static const struct cs35l41_config cs35l41_config_table[] = {
>  	{ "104317F3", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
>  	{ "10431863", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
>  	{ "104318D3", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
> +	{ "10431A63", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, -1, 2, -1, 1000, 4500, 24 },
>  	{ "10431A83", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
>  	{ "10431B93", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
>  	{ "10431C9F", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
> @@ -530,7 +531,7 @@ static const struct cs35l41_prop_model cs35l41_prop_model_table[] = {
>  	{ "CSC3551", "104317F3", generic_dsd_config },
>  	{ "CSC3551", "10431863", generic_dsd_config },
>  	{ "CSC3551", "104318D3", generic_dsd_config },
> -	{ "CSC3551", "10431A63", missing_speaker_id_gpio2 },
> +	{ "CSC3551", "10431A63", generic_dsd_config },
>  	{ "CSC3551", "10431A83", generic_dsd_config },
>  	{ "CSC3551", "10431B93", generic_dsd_config },
>  	{ "CSC3551", "10431C9F", generic_dsd_config },
> -- 
> 2.43.0