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From: Takashi Iwai <tiwai@suse.de>
To: bo liu <bo.liu@senarytech.com>
Cc: perex@perex.cz, tiwai@suse.com, linux-sound@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2] ALSA: hda/conexant: Fix headset auto detect fail in cx8070 and SN6140
Date: Mon, 08 Jan 2024 14:08:58 +0100	[thread overview]
Message-ID: <87bk9wt1jp.wl-tiwai@suse.de> (raw)
In-Reply-To: <20240108110235.3867-1-bo.liu@senarytech.com>

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@senarytech.com>

Thanks, applied now.


Takashi

      reply	other threads:[~2024-01-08 13:09 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-08 11:02 [PATCH V2] ALSA: hda/conexant: Fix headset auto detect fail in cx8070 and SN6140 bo liu
2024-01-08 13:08 ` Takashi Iwai [this message]

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