Re: [PATCH] ALSA: hda/realtek: Fix quiet 3.5mm jacks on Beelink SER6

On Mon, 10 Aug 2026 06:24:25 +0200,
Brian Koebbe wrote:
> 
> Both the front headphone jack and the rear line-out jack play back
> at a barely audible volume on the Beelink SER6 Max (ALC897, PCI subsystem
> ID 1f66:0202), even with all mixer controls at 0dB. GPIO2 on the
> codec gates an external headphone/line amplifier that the generic
> parser never enables. Add a fixup that asserts it. Verified fixed
> on both jacks.
> 
> Signed-off-by: Brian Koebbe <[email protected]>
> ---
>  sound/hda/codecs/realtek/alc662.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/sound/hda/codecs/realtek/alc662.c b/sound/hda/codecs/realtek/alc662.c
> index 2cf3664a35ff..2ce1b171337d 100644
> --- a/sound/hda/codecs/realtek/alc662.c
> +++ b/sound/hda/codecs/realtek/alc662.c
> @@ -324,6 +324,7 @@ enum {
>  	ALC897_FIXUP_HEADSET_MIC_PIN2,
>  	ALC897_FIXUP_UNIS_H3C_X500S,
>  	ALC897_FIXUP_HEADSET_MIC_PIN3,
> +	ALC897_FIXUP_BEELINK_SER6_AMP,
>  	ALC662_FIXUP_CSL_GPIO,
>  };
>  
> @@ -778,6 +779,14 @@ static const struct hda_fixup alc662_fixups[] = {
>  			{ }
>  		},
>  	},
> +	[ALC897_FIXUP_BEELINK_SER6_AMP] = {
> +		/* Beelink SER6 Max (Ryzen 6900HX) both 3.5mm jacks are very
> +		 * quiet without this: GPIO2 gates an external headphone/line
> +		 * amplifier that the generic parser never enables.
> +		 */
> +		.type = HDA_FIXUP_FUNC,
> +		.v.func = alc_fixup_gpio4,
> +	},
>  	[ALC662_FIXUP_CSL_GPIO] = {
>  		.type = HDA_FIXUP_FUNC,
>  		.v.func = alc662_fixup_csl_amp,
> @@ -788,6 +797,7 @@ static const struct hda_quirk alc662_fixup_tbl[] = {
>  	SND_PCI_QUIRK(0x1019, 0x9087, "ECS", ALC662_FIXUP_ASUS_MODE2),
>  	SND_PCI_QUIRK(0x1019, 0x9859, "JP-IK LEAP W502", ALC897_FIXUP_HEADSET_MIC_PIN3),
>  	SND_PCI_QUIRK(0x1022, 0xc950, "CSL Unity BF24B", ALC662_FIXUP_CSL_GPIO),
> +	SND_PCI_QUIRK(0x1f66, 0x0202, "Beelink SER6 Max 6900", ALC897_FIXUP_BEELINK_SER6_AMP),
>  	SND_PCI_QUIRK(0x1025, 0x022f, "Acer Aspire One", ALC662_FIXUP_INV_DMIC),
>  	SND_PCI_QUIRK(0x1025, 0x0241, "Packard Bell DOTS", ALC662_FIXUP_INV_DMIC),
>  	SND_PCI_QUIRK(0x1025, 0x0308, "Acer Aspire 8942G", ALC662_FIXUP_ASPIRE),

The table is sorted in PCI SSID order.  Could you try to put the new
entry at the right position, and resubmit the corrected patch?


thanks,

Takashi