ASoC: apple: mca: Support capture on multiples BEs

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When multiple BEs are linked to a FE, the former behavior was to source
the data line from the DIN pin of the first BE only. Change this to
ORing the DIN inputs of all linked BEs.

As long as the unused slots on each BE's line are zeroed out and the
slots on the BEs don't overlap, this will work out well.

Signed-off-by: Martin Povišer <povik+lin@cutebit.org>
Signed-off-by: James Calligeros <jcalligeros99@gmail.com>
Link: https://patch.msgid.link/20260711-apple-audio-redux-v4-5-2994d87c2f24@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

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Martin Povišer 2026-07-11 11:11:23 +10:00 • committed by Mark Brown

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sound/soc/apple/mca.c

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