Messages in this thread | | | Date | Wed, 16 Aug 2023 18:09:52 +0100 | Subject | Re: [PATCH 2/2] ASoC: cs35l56: Read firmware uuid from a device property instead of _SUB | From | Richard Fitzgerald <> |
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On 16/8/23 18:03, Mark Brown wrote: > On Wed, Aug 16, 2023 at 05:49:06PM +0100, Richard Fitzgerald wrote: >> From: Maciej Strozek <mstrozek@opensource.cirrus.com> >> >> Use a device property "cirrus,firmware-uid" to get the unique firmware >> identifier instead of using ACPI _SUB. >> >> There will not usually be a _SUB in Soundwire nodes. The ACPI can use a >> _DSD section for custom properties. >> >> There is also a need to support instantiating this driver using software >> nodes. This is for systems where the CS35L56 is a back-end device and the >> ACPI refers only to the front-end audio device - there will not be any ACPI >> references to CS35L56. > > Are there any existing systems (or might there be given that the driver > is in released kernels already) which rely on _SUB?
No. Nothing has been released with CS35L56.
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