ACK: [PATCH 0/1][SRU][L/OEM-6.0] Fix headset mic not working issue on Dell Latitude 5340

[Tim Gardner]

On 1/5/23 9:45 AM, Chris Chiu wrote:
> BugLink: https://bugs.launchpad.net/bugs/2002013
> 
> [SRU Justification]
> 
> [Impact]
> The Dell Latitude 5430 with Realtek audio codec ALC3254 fail to detect the headphone microphone and thus unable to record audio.
> 
> [Fix]
> The realtek audio quirk ALC269_FIXUP_DELL4_MIC_NO_PRESENCE is required since the NID used for headphone microphone should be 0x1b instead of 0x1a, which is used for former ALC225/295 variants.
> 
> [Test Case]
> 1. Plug in the headphone microphone on the problematic Dell Latitude 5430 laptop
> 2. Make sure it's detected in Audio Settings. (pulseaudio)
> 3. Record the sound via the headphone microphone and check the recorded content.
> 
> [Where problems could occur]
> No. Since the audio fixup is only applied on the machine with particular subsystem ID.
> 
> [Other Info]
> This is not yet available in mainline kernel but in linux-next, and need to be applied after SRU lp:2000909
> 
> Chris Chiu (1):
>    ALSA: hda - Enable headset mic on another Dell laptop with ALC3254
> 
>   sound/pci/hda/patch_realtek.c | 1 +
>   1 file changed, 1 insertion(+)
> 
Acked-by: Tim Gardner <tim.gardner at canonical.com>
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Tim Gardner
Canonical, Inc