Re: Applied "ASoC: topology: Fix logical inversion in set_link_hw_format()" to the asoc tree

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On 02/26/18 20:47, Mark Brown wrote:
> On Mon, Feb 26, 2018 at 07:34:07PM +0100, Kirill Marinushkin wrote:
>
>> 2. The suggested commit breaks the existing ASoC.
>> The existing functionality already works with several existing ASoC by
>> Intel. The suggested commit will break it for the following reason:
>> The ALSA topology mechanism loads the binary topology file into ASoC. The
>> suggested commit modifies the parser, but the binaries are already created for
>> the existing functionality. As a result, all existing binaries will be parsed
>> incorrectly.
> Are there actual binaries using the existing code or is that just
> theoretical?  My impression was that this was fixing things for existing
> binaries which were shipped for non-mainline kernels, is that not the
> case?

There is an actual conf, which can be converted into an actual binary:
`alsa-lib/src/conf/topology/broadwell/broadwell.conf`

Theoretically, there can be an unknown number of the binaries, not available publicly.

Broadwell exists for a long time, and there is no way to be sure that all the theoretically
existing binaries are modified together with this kernel patch.



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