APPLIED [OEM-5.13] Re: [PATCH 0/2][SRU][U/OEM-5.13/OEM-5.14] Fix headphone microphone function for particular Dell laptops
tjaalton at ubuntu.com
Mon Oct 25 10:07:09 UTC 2021
On 14.10.2021 15.04, Chris Chiu wrote:
> BugLink: https://bugs.launchpad.net/bugs/1947092
> The Dell Latitude 5430 series with Realtek audio codec ALC3254 fail to detect the headphone microphone and thus unable to do recording.
> 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 particular 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 quirk only affect the machine with particular subsystem ID.
> Chris Chiu (1):
> ALSA: hda - Enable headphone mic on Dell Latitude laptops with ALC3254
> John Liu (1):
> ALSA: hda/realtek: Enable 4-speaker output for Dell Precision 5560
> sound/pci/hda/patch_realtek.c | 3 +++
> 1 file changed, 3 insertions(+)
applied to oem-5.13, 5.14 got it via stable
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