ACK: [SRU][OEM-5.6][PATCH 1/1] UBUNTU: SAUCE: ALSA: hda/realtek - set mic to auto detect on a HP AIO machine

[Kleber Souza]

On 30.09.20 03:08, Hui Wang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1897694
> 
> Recently we enabled a HP AIO machine, we found the mic on the machine
> couldn't record any sound and it couldn't detect plugging and
> unplugging as well.
> 
> Through debugging we found the mic is set to manual detect mode, after
> setting it to auto detect mode, it could detect plugging and
> unplugging and could record sound.
> 
> Cc: <stable at vger.kernel.org>
> Signed-off-by: Hui Wang <hui.wang at canonical.com>
> Link: https://lore.kernel.org/r/20200928080117.12435-1-hui.wang@canonical.com
> Signed-off-by: Takashi Iwai <tiwai at suse.de>
> (backported from commit 13468bfa8c58731dc9ecda1cd9b22a191114f944
> git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git)
> Signed-off-by: Hui Wang <hui.wang at canonical.com>

Acked-by: Kleber Sacilotto de Souza <kleber.souza at canonical.com>

> ---
>  sound/pci/hda/patch_realtek.c | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
> index 03089eaa9f5f..b44219859d82 100644
> --- a/sound/pci/hda/patch_realtek.c
> +++ b/sound/pci/hda/patch_realtek.c
> @@ -6147,6 +6147,7 @@ enum {
>  	ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET,
>  	ALC295_FIXUP_ASUS_MIC_NO_PRESENCE,
>  	ALC285_FIXUP_HP_GPIO_AMP_INIT,
> +	ALC274_FIXUP_HP_MIC,
>  };
>  
>  static const struct hda_fixup alc269_fixups[] = {
> @@ -7331,6 +7332,14 @@ static const struct hda_fixup alc269_fixups[] = {
>  		.chained = true,
>  		.chain_id = ALC285_FIXUP_HP_GPIO_LED
>  	},
> +	[ALC274_FIXUP_HP_MIC] = {
> +		.type = HDA_FIXUP_VERBS,
> +		.v.verbs = (const struct hda_verb[]) {
> +			{ 0x20, AC_VERB_SET_COEF_INDEX, 0x45 },
> +			{ 0x20, AC_VERB_SET_PROC_COEF, 0x5089 },
> +			{ }
> +		},
> +	},
>  };
>  
>  static const struct snd_pci_quirk alc269_fixup_tbl[] = {
> @@ -7478,6 +7487,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
>  	SND_PCI_QUIRK(0x103c, 0x869d, "HP", ALC236_FIXUP_HP_MUTE_LED),
>  	SND_PCI_QUIRK(0x103c, 0x8729, "HP", ALC285_FIXUP_HP_GPIO_LED),
>  	SND_PCI_QUIRK(0x103c, 0x8736, "HP", ALC285_FIXUP_HP_GPIO_AMP_INIT),
> +	SND_PCI_QUIRK(0x103c, 0x874e, "HP", ALC274_FIXUP_HP_MIC),
>  	SND_PCI_QUIRK(0x103c, 0x877a, "HP", ALC285_FIXUP_HP_MUTE_LED),
>  	SND_PCI_QUIRK(0x103c, 0x877d, "HP", ALC236_FIXUP_HP_MUTE_LED),
>  	SND_PCI_QUIRK(0x1043, 0x103e, "ASUS X540SA", ALC256_FIXUP_ASUS_MIC),
> @@ -7786,6 +7796,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = {
>  	{.id = ALC299_FIXUP_PREDATOR_SPK, .name = "predator-spk"},
>  	{.id = ALC298_FIXUP_HUAWEI_MBX_STEREO, .name = "huawei-mbx-stereo"},
>  	{.id = ALC256_FIXUP_MEDION_HEADSET_NO_PRESENCE, .name = "alc256-medion-headset"},
> +	{.id = ALC274_FIXUP_HP_MIC, .name = "alc274-hp-mic-detect"},
>  	{}
>  };
>  #define ALC225_STANDARD_PINS \
>