Re: [EXTERNAL] Re: [PATCH v1] ALSA: hda/tas2781: Fix sound abnormal issue on some SPI device

Xu, Baojun
2026-04-20T07:00:47Z

Hi Eric,

>
> ________________________________________
> From: Eric Naim <dnaim@cachyos.org>
> Sent: 20 April 2026 14:43
> To: Xu, Baojun; tiwai@suse.de; hansg@kernel.org
> Cc: ilpo.jarvinen@linux.intel.com; broonie@kernel.org; andriy.shevchenko@linux.intel.com; Ding, Shenghao; 13916275206@139.com; platform-driver-x86@vger.kernel.org; linux-sound@vger.kernel.org; linux-kernel@vger.kernel.org; letitia.tsai@hp.com; bill.yu@canonical.com
> Subject: [EXTERNAL] Re: [PATCH v1] ALSA: hda/tas2781: Fix sound abnormal issue on some SPI device
>
> On 4/18/26 1:50 PM, Baojun Xu wrote:
> > In the SPI driver probe, the chip ID must be set to TAS2781. Without this
> > initialization, calibration data fails to load correctly, causing audio
> > abnormalities on some devices.
> > And update the register bulk read API to handle the distinct requirements
> > of SPI and I2C devices.
> >
> > Fixes: 05ac3846ffe5 ("ALSA: hda/tas2781: A workaround solution to lower-vol issue among lower calibrated-impedance micro-speaker on TAS2781")
>> Signed-off-by: Baojun Xu <baojun.xu@ti.com>
> > ---
> Hi Baojun, will this fix
> https://urldefense.com/v3/__https://lore.kernel.org/linux-sound/20260315160939.191265-1-dnaim@cachyos.org/__;!!G3vK!X-jfopjNDyUV4Zt7eHbLDT79zxX8PrVATeyHGzNtgCNvue6wSwqHWSaaVOuqjRfYbzZ5TQzNVhRq$ ?
>
> Similarly, I noticed that something like the above was merged upstream, commit
> 0bdf27abaf894.
>

To clarify: The patch mentioned earlier was designed to register the correct project with the codec.
My patch specifically resolves the issue where calibration data fails to be applied properly.

> --
> Regards,
> Eric
>
>

Best Regards
Jim