Re: [PATCH] ALSA: hda/realtek: ALC269 fixup for Lenovo Yoga Book 9i 13IRU8 audio

[Takashi Iwai <tiwai@suse.de>]

On Thu, 22 Jan 2026 03:51:18 +0100,
Martin Hamilton wrote:
> 
> 
> 
> ---

Please drop this delimiter at the next time; otherwise all texts below
would be dropped at applying the patch.

> The amp/speakers on the Lenovo Yoga Book 9i 13IRU8 laptop aren't
> fully powered up, resulting in horrible tinny sound by default.
> 
> The kernel has an existing quirk for PCI SSID 0x17aa3843 which
> matches this machine and several others. The quirk applies the
> ALC287_FIXUP_IDEAPAD_BASS_SPK_AMP fixup, however the fixup does not
> work on this machine.
> 
> This patch modifies the existing quirk by adding a check for the
> subsystem ID 0x17aa3881. If present, ALC287_FIXUP_TAS2781_I2C will
> be applied instead of ALC287_FIXUP_IDEAPAD_BASS_SPK_AMP. With this
> change the TAS2781 amp is powered up, firmware is downloaded and
> recognised by HDA/SOF - i.e. all is good, and we can boogie.
> 
> Code is re-used from alc298_fixup_lenovo_c940_duet7(), which fixes a
> similar problem with two other Lenovo laptops.
> 
> Cross checked against ALSA cardinfo database for potential clashes.
> Tested against 6.18.5 kernel built with Arch Linux default options.
> Tested in HDA mode and SOF mode.
> 
> Note: Possible further work required to address quality of life issues
> caused by the firmware's agressive power saving, and to improve ALSA
> control mappings.
> 
> Signed-off-by: Martin Hamilton <m@martinh.net>

Applied now.  Thanks.


Takashi