Re: [PATCH] ALSA: hda/realtek: Enable headset mic on HONOR MagicBook Pro 16 2024

[Takashi Iwai]

On Sat, 03 Oct 2026 00:18:50 +0200,
Denis Yakovlev wrote:
> 
> The HONOR MagicBook Pro 16 2024 (DRA-XX, board M1020, ALC256, SSID
> 1ee7:204e) has a combined 3.5 mm headphone/microphone jack. The BIOS
> leaves the headset mic pin 0x19 at 0x411111f0, so the codec parser
> builds no capture path for it, and it leaves the jack switch
> (coefficient 0x45) in the TRS state, which cuts the microphone contact
> off from the codec. A wired headset microphone therefore records
> nothing.
> 
> Configure 0x19 as a headset microphone (0x03a1113c, "headset mic
> without its own jack detect"), the same value already used for the
> sibling M1020 board (HONOR MRB-XXX) and by the VAIO quirks, and chain
> to the generic headset mode handler, which detects the CTIA/OMTP
> headset type on every jack event and programs the jack switch
> accordingly. Pin 0x1a is left untouched: there is no evidence that it
> is wired on this board.
> 
> Assisted-by: LLM
> Signed-off-by: Denis Yakovlev <mfthesun@xxxxxxxxxxx>
> ---
> Tested on a HONOR MagicBook Pro 16 2024 (DRA-XX), Ubuntu 7.0.0-34, using
> an out-of-tree build of this change, with wired Apple EarPods (CTIA): the
> microphone records after several cold boots with the headset inserted and
> after hot-plugging; without the change the analog capture is digital
> silence. The headset type is detected as CTIA (coef 0x45 ends up at
> 0xd489). The speakers (including the "Bass Speaker" control from the
> speaker fix) and wired headphone playback still work. OMTP headsets were
> not tested (no hardware).

This looks like a fix of the existing quirk.  Could you point to the
commit via Fixes tag and resubmit with it?


thanks,

Takashi