[PATCH] ALSA: hda/realtek: Enable front panel headset LED on Lenovo ThinkStation P520

[Kai-Heng Feng]

Hi Hui,

> On Sep 14, 2020, at 16:04, Hui Wang <hui.wang at canonical.com> wrote:
> 
> Thanks Kaiheng, and we just had one P520 in the Beijing office and I also worked on this issue happenly. Does the led change according to jack plugging in or plugging out with your patch?

No, the LED won't reflect the jack plugging status.

The LED is always on under Windows, so we are doing the same here.

Kai-Heng

> I also prepared a patchset but my patchset has more code than yours, please take a look. :-)
> 
> Thanks.
> 
> Hui.
> 
> On 2020/9/14 下午3:02, Kai-Heng Feng wrote:
>> On Lenovo P520, the front panel headset LED isn't lit up right now.
>> 
>> Realtek states that the LED needs to be enabled by ALC233's GPIO2, so
>> let's do it accordingly to light the LED up.
>> 
>> Signed-off-by: Kai-Heng Feng <kai.heng.feng at canonical.com>
>> ---
>>  sound/pci/hda/patch_realtek.c | 7 +++++++
>>  1 file changed, 7 insertions(+)
>> 
>> diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
>> index c521a1f17096..ba941bd0b792 100644
>> --- a/sound/pci/hda/patch_realtek.c
>> +++ b/sound/pci/hda/patch_realtek.c
>> @@ -6017,6 +6017,7 @@ static void alc_fixup_thinkpad_acpi(struct hda_codec *codec,
>>  #include "hp_x360_helper.c"
>>    enum {
>> +	ALC269_FIXUP_GPIO2,
>>  	ALC269_FIXUP_SONY_VAIO,
>>  	ALC275_FIXUP_SONY_VAIO_GPIO2,
>>  	ALC269_FIXUP_DELL_M101Z,
>> @@ -6194,6 +6195,10 @@ enum {
>>  };
>>    static const struct hda_fixup alc269_fixups[] = {
>> +	[ALC269_FIXUP_GPIO2] = {
>> +		.type = HDA_FIXUP_FUNC,
>> +		.v.func = alc_fixup_gpio2,
>> +	},
>>  	[ALC269_FIXUP_SONY_VAIO] = {
>>  		.type = HDA_FIXUP_PINCTLS,
>>  		.v.pins = (const struct hda_pintbl[]) {
>> @@ -7013,6 +7018,8 @@ static const struct hda_fixup alc269_fixups[] = {
>>  	[ALC233_FIXUP_LENOVO_MULTI_CODECS] = {
>>  		.type = HDA_FIXUP_FUNC,
>>  		.v.func = alc233_alc662_fixup_lenovo_dual_codecs,
>> +		.chained = true,
>> +		.chain_id = ALC269_FIXUP_GPIO2
>>  	},
>>  	[ALC233_FIXUP_ACER_HEADSET_MIC] = {
>>  		.type = HDA_FIXUP_VERBS,