ASoC: tegra: Fix uninitialized flat cache warning in tegra210_ahub

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The tegra210_ahub driver started triggering a warning after commit
e062bdfdd6 ("regmap: warn users about uninitialized flat cache"),
which flags drivers using REGCACHE_FLAT without register defaults.
Since the driver omits default definitions because its registers are
zero initialized, the following warning is shown:

  WARNING KERN tegra210-ahub 2900800.ahub: using zero-initialized flat cache, this may cause unexpected behavior

Switch to REGCACHE_FLAT_S which is the recommended cache type for
sparse register maps without defaults. This cache type initializes
entries on-demand from hardware, eliminating the warning while using
memory efficiently.

Signed-off-by: sheetal <sheetal@nvidia.com>
Link: https://patch.msgid.link/20251208052040.4025612-1-sheetal@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>

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sheetal 2025-12-08 10:50:40 +05:30 • committed by Mark Brown

parent 8f0b4cce44

commit 4d4021b0bb

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1 changed files with 3 additions and 3 deletions

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sound/soc/tegra/tegra210_ahub.c

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