Re: [PATCH v7 4/9] spi: cs42l43: Use actual ACPI firmware node for chip selects

Mark Brown
2025-11-20T15:41:01Z

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On Thu, Nov 20, 2025 at 02:23:59PM +0100, Bartosz Golaszewski wrote:
> From: Charles Keepax <ckeepax@opensource.cirrus.com>
>
> On some systems the cs42l43 has amplifiers attached to its SPI
> controller that are not properly defined in ACPI. Currently
> software nodes are added to support this case, however, the chip
> selects for these devices are specified using a hack. A software
> node is added with the same name as the pinctrl driver, as the
> look up was name based, this allowed the GPIO look up to return
> the pinctrl driver even though the swnode was not owned by it.
> This was necessary as the swnodes did not support directly
> linking to real firmware nodes.

Acked-by: Mark Brown <broonie@kernel.org>

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