linux-kernel - Re: [PATCH] hda: realtek: Make dock sound work on ThinkPad L570

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Date:   Thu, 8 Mar 2018 14:13:20 +0100
From:   Dennis Wassenberg <dennis.wassenberg@...unet.com>
To:     Takashi Iwai <tiwai@...e.de>
CC:     Hui Wang <hui.wang@...onical.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] hda: realtek: Make dock sound work on ThinkPad L570

Hi Takashi,

yes, exactly.

First I was confused because all other Lenovo 70's devices have ALC298
inside, even L470, but not L570 with this PCI SSID.

Best regards,

Dennis


On 08.03.2018 13:57, Takashi Iwai wrote:
> On Thu, 08 Mar 2018 13:17:54 +0100,
> Dennis Wassenberg wrote:
>>
>> One version of Lenovo Thinkpad T570 did not use ALC298
>> (like other Kaby Lake devices). Instead it uses ALC292.
>> In order to make the Lenovo dock working with that codec
>> the dock quirk for ALC292 will be used.
>>
>> Signed-off-by: Dennis Wassenberg <dennis.wassenberg@...unet.com>
> 
> So, although the PCI SSID appears to be a new one, this still needs
> the old quirk, not for T470 dock?  Just to be sure.
> 
> 
> thanks,
> 
> Takashi
> 
>> ---
>>  sound/pci/hda/patch_realtek.c | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
>> index b9c93fa..b5d0f8c 100644
>> --- a/sound/pci/hda/patch_realtek.c
>> +++ b/sound/pci/hda/patch_realtek.c
>> @@ -6508,6 +6508,7 @@ enum {
>>  	SND_PCI_QUIRK(0x17aa, 0x2245, "Thinkpad T470", ALC298_FIXUP_TPT470_DOCK),
>>  	SND_PCI_QUIRK(0x17aa, 0x2246, "Thinkpad", ALC298_FIXUP_TPT470_DOCK),
>>  	SND_PCI_QUIRK(0x17aa, 0x2247, "Thinkpad", ALC298_FIXUP_TPT470_DOCK),
>> +	SND_PCI_QUIRK(0x17aa, 0x2249, "Thinkpad", ALC292_FIXUP_TPT460),
>>  	SND_PCI_QUIRK(0x17aa, 0x224b, "Thinkpad", ALC298_FIXUP_TPT470_DOCK),
>>  	SND_PCI_QUIRK(0x17aa, 0x224c, "Thinkpad", ALC298_FIXUP_TPT470_DOCK),
>>  	SND_PCI_QUIRK(0x17aa, 0x224d, "Thinkpad", ALC298_FIXUP_TPT470_DOCK),
>> -- 
>> 1.9.1
>>
>>
>>