linux-kernel - Re: [PATCH 0/3] Add support for CS42L43B codec to CS42L43 driver

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Message-ID: <aUUwZpCBr/p6LUz8@opensource.cirrus.com>
Date: Fri, 19 Dec 2025 11:00:54 +0000
From: Charles Keepax <ckeepax@...nsource.cirrus.com>
To: Maciej Strozek <mstrozek@...nsource.cirrus.com>
Cc: Mark Brown <broonie@...nel.org>, Takashi Iwai <tiwai@...e.com>,
        Lee Jones <lee@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
        Bard Liao <yung-chuan.liao@...ux.intel.com>,
        Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
        linux-kernel@...r.kernel.org, linux-sound@...r.kernel.org,
        patches@...nsource.cirrus.com
Subject: Re: [PATCH 0/3] Add support for CS42L43B codec to CS42L43 driver

On Fri, Dec 19, 2025 at 10:01:52AM +0000, Maciej Strozek wrote:
> Hello,
> 
> Introducing CS42L43B, a variant of the CS42L43 codec with changes to
> PDM (DMIC) inputs, RAM/ROM memory and extra channels to two SoundWire
> ports and ISRCs, and can be supported by the existing CS42L43 driver
> with some modifications.
> Support is split into three commits:
>  1. Add CS42L43B codec info to SoundWire utils
>  2. MFD driver part 1/2
>  3. ASoC codec driver part 2/2
> 
> Regards,
> Maciej
> 
> Maciej Strozek (3):
>   ASoC: sdw_utils: Add CS42L43B codec info
>   mfd: cs42l43: Add support for the B variant
>   ASoC: cs42l43: Add support for the B variant
> 
>  drivers/mfd/cs42l43-sdw.c           |   2 +
>  drivers/mfd/cs42l43.c               |  70 ++-
>  drivers/mfd/cs42l43.h               |   2 +-
>  include/linux/mfd/cs42l43-regs.h    |  76 +++
>  include/linux/mfd/cs42l43.h         |   1 +
>  sound/soc/codecs/cs42l43.c          | 745 +++++++++++++++++++++++-----
>  sound/soc/codecs/cs42l43.h          |   4 +-
>  sound/soc/sdw_utils/soc_sdw_utils.c |  54 ++
>  8 files changed, 805 insertions(+), 149 deletions(-)
> 
> --

Reviewed-by: Charles Keepax <ckeepax@...nsource.cirrus.com>

Thanks,
Charles