Re: [PATCH] ALSA: hda/conexant: Add pin config quirk for Lenovo IdeaPad Slim 5 16AKP10

On Tue, 16 Jun 2026 01:33:53 +0200,
Galen wrote:
> 
> The Lenovo IdeaPad Slim 5 16AKP10 (PCI SSID 17aa:38b6) uses the
> Conexant SN6140 codec. The internal microphone is on pin 0x1a but
> the BIOS configures it with pin default 0x95a60120, which includes
> a jack detection bit that causes the kernel to treat it as an
> unplugged external mic rather than a fixed internal mic.
> 
> Add a pin config quirk that overrides pin 0x1a to 0x95a60130,
> setting the connectivity bits to indicate a fixed/always-connected
> device. This allows the internal microphone to be correctly
> identified and used.
> 
> Signed-off-by: Galen Hassen <[email protected]>
> ---
>  sound/hda/codecs/conexant.c | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/sound/hda/codecs/conexant.c b/sound/hda/codecs/conexant.c
> index e3b6aaabe..40d4591f9 100644
> --- a/sound/hda/codecs/conexant.c
> +++ b/sound/hda/codecs/conexant.c
> @@ -291,6 +291,7 @@ enum {
>  	CXT_FIXUP_HEADSET_MIC,
>  	CXT_FIXUP_HP_MIC_NO_PRESENCE,
>  	CXT_PINCFG_SWS_JS201D,
> +	CXT_PINCFG_LENOVO_IDEAPAD_SLIM5_16AKP10,
>  	CXT_PINCFG_TOP_SPEAKER,
>  	CXT_FIXUP_HP_A_U,
>  	CXT_FIXUP_ACER_SWIFT_HP,
> @@ -826,6 +827,12 @@ static const struct hda_pintbl cxt_pincfg_lemote[] = {
>  	{}
>  };
>  
> +/* Lenovo IdeaPad Slim 5 16AKP10 with SN6140 */
> +static const struct hda_pintbl cxt_pincfg_lenovo_ideapad_slim5_16akp10[] = {
> +	{ 0x1a, 0x95a60130 }, /* Internal mic, fixed/always-connected */
> +	{}
> +};
> +
>  /* SuoWoSi/South-holding JS201D with sn6140 */
>  static const struct hda_pintbl cxt_pincfg_sws_js201d[] = {
>  	{ 0x16, 0x03211040 }, /* hp out */
> @@ -1006,6 +1013,10 @@ static const struct hda_fixup cxt_fixups[] = {
>  		.type = HDA_FIXUP_PINS,
>  		.v.pins = cxt_pincfg_sws_js201d,
>  	},
> +	[CXT_PINCFG_LENOVO_IDEAPAD_SLIM5_16AKP10] = {
> +		.type = HDA_FIXUP_PINS,
> +		.v.pins = cxt_pincfg_lenovo_ideapad_slim5_16akp10,
> +	},
>  	[CXT_PINCFG_TOP_SPEAKER] = {
>  		.type = HDA_FIXUP_PINS,
>  		.v.pins = (const struct hda_pintbl[]) {
> @@ -1116,6 +1127,7 @@ static const struct hda_quirk cxt5066_fixups[] = {
>  	SND_PCI_QUIRK(0x17aa, 0x38af, "Lenovo IdeaPad Z560", CXT_FIXUP_MUTE_LED_EAPD),
>  	SND_PCI_QUIRK(0x17aa, 0x3905, "Lenovo G50-30", CXT_FIXUP_STEREO_DMIC),
>  	SND_PCI_QUIRK(0x17aa, 0x390b, "Lenovo G50-80", CXT_FIXUP_STEREO_DMIC),
> +	SND_PCI_QUIRK(0x17aa, 0x38b6, "Lenovo IdeaPad Slim 5 16AKP10", CXT_PINCFG_LENOVO_IDEAPAD_SLIM5_16AKP10),
>  	SND_PCI_QUIRK(0x17aa, 0x3975, "Lenovo U300s", CXT_FIXUP_STEREO_DMIC),
>  	/* NOTE: we'd need to extend the quirk for 17aa:3977 as the same
>  	 * PCI SSID is used on multiple Lenovo models

The table is sorted in PCI SSID order.  Please try to put the entry at
the right position.


thanks,

Takashi