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ASoC: codecs: rk3308: fix "defined but not used" warning on !OF

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Building with CONFIG_OF=n triggers:

  warning: 'rk3308_codec_of_match' defined but not used [-Wunused-const-variable=]
  warning: unused variable 'rk3308_codec_of_match' [-Wunused-const-variable]

Even though OF is needed for probing, fix by declaring as __maybe_unused to
still allow building on non-OF configurations for build testing.

Fixes: 9fdd7b45da ("arm64: defconfig: enable Rockchip RK3308 internal audio codec driver")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202403271905.BYbGJiPi-lkp@intel.com/
Closes: https://lore.kernel.org/oe-kbuild-all/202403271907.0z0uuG5I-lkp@intel.com/
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Link: https://msgid.link/r/20240403-rk3308-audio-codec-fix-warning-v2-1-816bae4c1dc5@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Luca Ceresoli 2024-04-03 13:03:18 +02:00 committed by Mark Brown
parent 4ed0915f5b
commit 38d5387b76
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GPG Key ID: 24D68B725D5487D0
1 changed files with 1 additions and 1 deletions
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2
sound/soc/codecs/rk3308_codec.c
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@ -953,7 +953,7 @@ static int rk3308_codec_platform_probe(struct platform_device *pdev)
return 0;
}
static const struct of_device_id rk3308_codec_of_match[] = {
static const struct of_device_id __maybe_unused rk3308_codec_of_match[] = {
{ .compatible = "rockchip,rk3308-codec", },
{},
};