Re: [PATCH] ALSA: hda/realtek: Fix square wave output on ASUS Strix G615LR

[Antheas Kapenekakis]

On Wed, 23 Sept 2026 at 14:17, Zhang Heng <zhangheng@xxxxxxxxxx> wrote:
>
> ASUS ROG Strix G16 G615LR (PCI SSID 1043:3f20) outputs a loud
> full-scale square wave from internal speakers since the TAS2781
> amplifier driver started loading. The quirk was using
> ALC287_FIXUP_TXNW2781_I2C which chains to the ThinkPad headset
> jack fixup, but this is an ASUS device that should use
> ALC287_FIXUP_TXNW2781_I2C_ASUS which chains to ALC294_FIXUP_ASUS_SPK
> for proper EAPD and pin configuration.
>
> Fixes: f7cede182c96 ("ALSA: hda/realtek: Add Asus quirk for TAS amplifiers")
> Cc: stable@xxxxxxxxxxxxxxx
> Cc: Baojun Xu <baojun.xu@xxxxxx>
> Cc: Antheas Kapenekakis <lkml@xxxxxxxxxxx>
> Reported-by: Aleksei Arsenev <alesharik4@xxxxxxxxx>
> Link: https://bugzilla.kernel.org/show_bug.cgi?id=222045
> Signed-off-by: Zhang Heng <zhangheng@xxxxxxxxxx>
> ---
> Baojun, Antheas: several other ASUS Strix Gxx5 entries (0x3ee0, 0x3ef0,
> 0x3f00, 0x3f10, 0x3f30) are still using ALC287_FIXUP_TXNW2781_I2C (the
> non-ASUS variant that chains to the ThinkPad fixup). Could you check
> whether they also need to be changed to ALC287_FIXUP_TXNW2781_I2C_ASUS?
> Ideally with testing on the affected hardware if possible.

The current quirk is well received for the ally. Perhaps switching to
ASUS would be simpler but I do not think the device is currently
problematic. I will defer to Baojun

Antheas

> ---
>  sound/hda/codecs/realtek/alc269.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/sound/hda/codecs/realtek/alc269.c b/sound/hda/codecs/realtek/alc269.c
> index 39dbd876bc1a..d70e03061c91 100644
> --- a/sound/hda/codecs/realtek/alc269.c
> +++ b/sound/hda/codecs/realtek/alc269.c
> @@ -7964,7 +7964,7 @@ static const struct hda_quirk alc269_fixup_tbl[] = {
>         SND_PCI_QUIRK(0x1043, 0x3ef0, "ASUS Strix G635LR_LW_LX", ALC287_FIXUP_TXNW2781_I2C),
>         SND_PCI_QUIRK(0x1043, 0x3f00, "ASUS Strix G815LH_LM_LP", ALC287_FIXUP_TXNW2781_I2C),
>         SND_PCI_QUIRK(0x1043, 0x3f10, "ASUS Strix G835LR_LW_LX", ALC287_FIXUP_TXNW2781_I2C),
> -       SND_PCI_QUIRK(0x1043, 0x3f20, "ASUS Strix G615LR_LW", ALC287_FIXUP_TXNW2781_I2C),
> +       SND_PCI_QUIRK(0x1043, 0x3f20, "ASUS Strix G615LR_LW", ALC287_FIXUP_TXNW2781_I2C_ASUS),
>         SND_PCI_QUIRK(0x1043, 0x3f30, "ASUS Strix G815LR_LW", ALC287_FIXUP_TXNW2781_I2C),
>         SND_PCI_QUIRK(0x1043, 0x3fd0, "ASUS B3605CVA", ALC245_FIXUP_CS35L41_SPI_2),
>         SND_PCI_QUIRK(0x1043, 0x3ff0, "ASUS B5405CVA", ALC245_FIXUP_CS35L41_SPI_2),
> --
> 2.25.1
>
>