Re: [PATCH V2] ALSA: hda/conexant: Fix headset auto detect fail in cx8070 and SN6140

[Takashi Iwai <tiwai@xxxxxxx>]

On Mon, 08 Jan 2024 12:02:35 +0100,
bo liu wrote:
> 
> When OMTP headset plugin the headset jack of CX8070 and SN6160 sound cards,
> the headset type detection circuit will recognize the headset type as CTIA.
> At this point, plugout and plugin the headset will get the correct headset
> type as OMTP.
> The reason for the failure of headset type recognition is that the sound
> card creation will enable the VREF voltage of the headset mic, which
> interferes with the headset type automatic detection circuit. Plugout and
> plugin the headset will restart the headset detection and get the correct
> headset type.
> The patch is disable the VREF voltage when the headset is not present, and
> will enable the VREF voltage when the headset is present.
> 
> Signed-off-by: bo liu <bo.liu@xxxxxxxxxxxxxx>

Thanks, applied now.


Takashi