linux-kernel - Re: Audio crackles with 4.1-rc1

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Message-ID: <20150612202809.4ada983f@mdontu-l.dsd.bitdefender.biz>
Date:	Fri, 12 Jun 2015 20:28:09 +0300
From:	Mihai Donțu <mihai.dontu@...il.com>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	Jonathan McDowell <noodles@...th.li>, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org
Subject: Re: Audio crackles with 4.1-rc1

On Fri, 12 Jun 2015 16:13:16 +0200 Takashi Iwai wrote:
> For your convenience, below is the combined patch for 4.1.
> 
> Jonathan, could you also try this patch and see whether you still get
> the noise?
> 
> ---
> diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
> index 0320cb523d9e..919051d92a0b 100644
> --- a/sound/pci/hda/patch_realtek.c
> +++ b/sound/pci/hda/patch_realtek.c
> @@ -4515,6 +4515,8 @@ enum {
>  	ALC288_FIXUP_DELL_HEADSET_MODE,
>  	ALC288_FIXUP_DELL1_MIC_NO_PRESENCE,
>  	ALC288_FIXUP_DELL_XPS_13_GPIO6,
> +	ALC292_FIXUP_DELL_E7X,
> +	ALC292_FIXUP_DISABLE_AAMIX,
>  };
>  
>  static const struct hda_fixup alc269_fixups[] = {
> @@ -5037,6 +5039,16 @@ static const struct hda_fixup alc269_fixups[] = {
>  		.chained = true,
>  		.chain_id = ALC288_FIXUP_DELL1_MIC_NO_PRESENCE
>  	},
> +	[ALC292_FIXUP_DISABLE_AAMIX] = {
> +		.type = HDA_FIXUP_FUNC,
> +		.v.func = alc_fixup_disable_aamix,
> +	},
> +	[ALC292_FIXUP_DELL_E7X] = {
> +		.type = HDA_FIXUP_FUNC,
> +		.v.func = alc_fixup_dell_xps13,
> +		.chained = true,
> +		.chain_id = ALC292_FIXUP_DISABLE_AAMIX
> +	},
>  };
>  
>  static const struct snd_pci_quirk alc269_fixup_tbl[] = {
> @@ -5049,6 +5061,8 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
>  	SND_PCI_QUIRK(0x1025, 0x0775, "Acer Aspire E1-572", ALC271_FIXUP_HP_GATE_MIC_JACK_E1_572),
>  	SND_PCI_QUIRK(0x1025, 0x079b, "Acer Aspire V5-573G", ALC282_FIXUP_ASPIRE_V5_PINS),
>  	SND_PCI_QUIRK(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z),
> +	SND_PCI_QUIRK(0x1028, 0x05ca, "Dell Latitude E7240", ALC292_FIXUP_DELL_E7X),
> +	SND_PCI_QUIRK(0x1028, 0x05cb, "Dell Latitude E7440", ALC292_FIXUP_DELL_E7X),
>  	SND_PCI_QUIRK(0x1028, 0x05da, "Dell Vostro 5460", ALC290_FIXUP_SUBWOOFER),
>  	SND_PCI_QUIRK(0x1028, 0x05f4, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE),
>  	SND_PCI_QUIRK(0x1028, 0x05f5, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE),
> @@ -5637,8 +5651,7 @@ static int patch_alc269(struct hda_codec *codec)
>  
>  	spec = codec->spec;
>  	spec->gen.shared_mic_vref_pin = 0x18;
> -	if (codec->core.vendor_id != 0x10ec0292)
> -		codec->power_save_node = 1;
> +	codec->power_save_node = 1;
>  
>  	snd_hda_pick_fixup(codec, alc269_fixup_models,
>  		       alc269_fixup_tbl, alc269_fixups);

This patch works fine for me. You can add my Tested-by when you re-spin
it for Linus and if Jonathan is happy as well.

Thank you!

-- 
Mihai Donțu
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