[alsa-devel] [PATCH] ALSA: hda/realtek - Fix silent headphone output on MacPro 4, 1

[Mario Kleiner]

On 12/19/2015 09:10 PM, Takashi Iwai wrote:
> On Sat, 19 Dec 2015 05:21:57 +0100,
> Mario Kleiner wrote:
>>
>> Without this patch, internal speaker and line-out work,
>> but front headphone output jack stays silent on the
>> Mac Pro 4,1.
>>
>> This code path also gets executed on the MacPro 5,1 due
>> to identical codec SSID, but i don't know if it has any
>> positive or adverse effects there or not.
>>
>> Signed-off-by: Mario Kleiner <mario.kleiner.de at gmail.com>
>> ---
>>   sound/pci/hda/patch_realtek.c | 32 +++++++++++++++++++++++++++++++-
>>   1 file changed, 31 insertions(+), 1 deletion(-)
>>
>> diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
>> index 9bedf7c..6224bdd 100644
>> --- a/sound/pci/hda/patch_realtek.c
>> +++ b/sound/pci/hda/patch_realtek.c
>> @@ -1755,6 +1755,7 @@ enum {
>>   	ALC889_FIXUP_MBA11_VREF,
>>   	ALC889_FIXUP_MBA21_VREF,
>>   	ALC889_FIXUP_MP11_VREF,
>> +	ALC889_FIXUP_MP41_VREF,
>>   	ALC882_FIXUP_INV_DMIC,
>>   	ALC882_FIXUP_NO_PRIMARY_HP,
>>   	ALC887_FIXUP_ASUS_BASS,
>> @@ -1905,6 +1906,29 @@ static void alc889_fixup_mba21_vref(struct hda_codec *codec,
>>   		alc889_fixup_mac_pins(codec, nids, ARRAY_SIZE(nids));
>>   }
>>
>> +/* Set VREF on HP pin on Mac Pro 4,1 */
>> +static void alc889_fixup_mp41_vref(struct hda_codec *codec,
>> +				   const struct hda_fixup *fix, int action)
>> +{
>> +	struct alc_spec *spec = codec->spec;
>> +	static hda_nid_t nids[1] = { 0x19 };
>> +	int i;
>> +
>> +	if (action != HDA_FIXUP_ACT_INIT)
>> +		return;
>> +
>> +	for (i = 0; i < ARRAY_SIZE(nids); i++) {
>> +		unsigned int val = snd_hda_codec_get_pincfg(codec, nids[i]);
>> +		if (get_defcfg_device(val) != AC_JACK_HP_OUT)
>> +			continue;
>> +		val = snd_hda_codec_get_pin_target(codec, nids[i]);
>> +		val |= AC_PINCTL_VREF_80;
>> +		snd_hda_set_pin_ctl(codec, nids[i], val);
>> +		spec->gen.keep_vref_in_automute = 1;
>> +		break;
>> +	}
>
> This looks rather like a copy of alc889_fixup_mbp_vref() but with a
> different vref level.  If so, instead of copying, modify the original
> function to take the vref level instead.
>
>
> thanks,
>
> Takashi
>

Thanks for the feedback. Just sent out v2 which is simpler and works 
just as well.

thanks,
-mario


>
>> +}
>> +
>>   /* Don't take HP output as primary
>>    * Strangely, the speaker output doesn't work on Vaio Z and some Vaio
>>    * all-in-one desktop PCs (for example VGC-LN51JGB) through DAC 0x05
>> @@ -2133,6 +2157,12 @@ static const struct hda_fixup alc882_fixups[] = {
>>   		.chained = true,
>>   		.chain_id = ALC885_FIXUP_MACPRO_GPIO,
>>   	},
>> +	[ALC889_FIXUP_MP41_VREF] = {
>> +		.type = HDA_FIXUP_FUNC,
>> +		.v.func = alc889_fixup_mp41_vref,
>> +		.chained = true,
>> +		.chain_id = ALC885_FIXUP_MACPRO_GPIO,
>> +	},
>>   	[ALC882_FIXUP_INV_DMIC] = {
>>   		.type = HDA_FIXUP_FUNC,
>>   		.v.func = alc_fixup_inv_dmic,
>> @@ -2215,7 +2245,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = {
>>   	SND_PCI_QUIRK(0x106b, 0x3f00, "Macbook 5,1", ALC889_FIXUP_IMAC91_VREF),
>>   	SND_PCI_QUIRK(0x106b, 0x4000, "MacbookPro 5,1", ALC889_FIXUP_IMAC91_VREF),
>>   	SND_PCI_QUIRK(0x106b, 0x4100, "Macmini 3,1", ALC889_FIXUP_IMAC91_VREF),
>> -	SND_PCI_QUIRK(0x106b, 0x4200, "Mac Pro 5,1", ALC885_FIXUP_MACPRO_GPIO),
>> +	SND_PCI_QUIRK(0x106b, 0x4200, "Mac Pro 4,1/5,1", ALC889_FIXUP_MP41_VREF),
>>   	SND_PCI_QUIRK(0x106b, 0x4300, "iMac 9,1", ALC889_FIXUP_IMAC91_VREF),
>>   	SND_PCI_QUIRK(0x106b, 0x4600, "MacbookPro 5,2", ALC889_FIXUP_IMAC91_VREF),
>>   	SND_PCI_QUIRK(0x106b, 0x4900, "iMac 9,1 Aluminum", ALC889_FIXUP_IMAC91_VREF),
>> --
>> 1.9.1
>>
>>