Re: [PATCH v2 0/2] ALSA: hda/tas2781: Skip invalid TAS2563 UEFI calibration data
From: Takashi Iwai
Date: Wed Oct 14 2026 - 01:55:35 EST
On Tue, 13 Oct 2026 15:02:19 +0200,
Gergo Koteles wrote:
>
> Hi,
>
> Georg Wenzel experienced a regession with TAS2563 amplifiers. His laptop
> lacks proper calibration data, and due to a bug, the driver failed to
> apply them in the v6.16.x. That's why they worked.
>
> The amplifiers operate even without calibration data, so the calibration
> setup can be skipped if the data is invalid.
>
> The first patch simplifies error paths in the tas2563_save_calibration()
> function.
>
> The second patch skips the zero UEFI calibration data as it is not
> necessary to apply.
>
> The previous patch for this problem
> 3bc4fc135ec7 ("ALSA: hda/tas2781: Enable bass speakers support")
> should be removed/reverted.
>
> Gergo Koteles (2):
> ALSA: hda/tas2781: Assign total_sz at the end of the function
> ALSA: hda/tas2781: Skip invalid TAS2563 UEFI calibration data
Applied with the revert of the previous fix to for-next branch now.
thanks,
Takashi