Re: [PATCH] ALSA: hda/realtek: Enable speaker on Xiaomi Notebook Pro 15 (1d72:1709)

Takashi Iwai <[email protected]>
Newsgroups gmane.linux.sound,gmane.linux.alsa.devel
Message-ID <[email protected]> 
On Thu, 06 Aug 2026 16:18:15 +0200,
ankirin wrote:
> 
> The Xiaomi Notebook Pro 15 (subsystem 1d72:1709, Realtek ALC256)
> silences its internal speaker on Linux: the codec sets coefficient
> register 0x10 to 0x0220 (bit 9 set) on boot and after S3 resume.
> 
> This is the same mechanism already supported for the Xiaomi Mi
> Laptop Pro 15 (1d72:1905) via ALC256_FIXUP_XIAOMI_PRO15_RESUME,
> which clears the stuck coef bit on every codec init. Add the
> missing 1d72:1709 SSID entry to the quirk table.
> 
> Verified on this board: with bit 9 cleared (coef 0x10 = 0x0020),
> the internal speaker outputs normally, including across
> suspend/resume.
> 
> Signed-off-by: ankirin <[email protected]>

The Signed-off-by is a legal requirement, hence it needs to be with a
real name (or a known identity).  Please resubmit with the correction.


thanks,

Takashi
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