ASoC: rt1316-sdw: sort the register default table

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reg_defaults must be sorted by ascending register address, as
regcache_lookup_reg() locates entries in it with bsearch().  See commit
fd80df352b ("regcache: Add support for sorting defaults arrays").

rt1316_reg_defaults[] is not in address order, so the binary search does
not find one of its entries.  regcache_reg_needs_sync() then cannot
compare it against its default and reports that a sync is needed, so it
is written to the device on every regcache_sync() even when it was never
touched.

Sort the table by register address.

Fixes: 2b719fd20f ("ASoC: rt1316: Add RT1316 SDCA vendor-specific driver")
Cc: stable@vger.kernel.org
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://patch.msgid.link/20260805090240.16991-16-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

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Peter Ujfalusi 2026-08-05 12:02:38 +03:00 • committed by Mark Brown

parent 5b48ce0356

commit 7b48eccfbb

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sound/soc/codecs/rt1316-sdw.c

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