ASoC: codecs: zl38060: Mark OF related data as maybe unused

The driver can be compile tested with !CONFIG_OF making certain data
unused:

  sound/soc/codecs/zl38060.c:611:34: error: ‘zl38_dt_ids’ defined but not used [-Werror=unused-const-variable=]

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230310214333.274903-10-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/zl38060.c b/sound/soc/codecs/zl38060.c
index c3d0a2a7c36f2a362f174858ba892d1e5db3e5c2..28c92d90299e9e66490b978911a6f6e4e0f29fc4 100644 (file)
--- a/sound/soc/codecs/zl38060.c
+++ b/sound/soc/codecs/zl38060.c
@@ -608,7 +608,7 @@ static int zl38_spi_probe(struct spi_device *spi)
                                               &zl38_dai, 1);
 }
 
-static const struct of_device_id zl38_dt_ids[] = {
+static const struct of_device_id zl38_dt_ids[] __maybe_unused = {
        { .compatible = "mscc,zl38060", },
        { /* sentinel */ }
 };