ASoC: codecs: rt1019: Mark OF related data as maybe unused

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

  sound/soc/codecs/rt1019.c:549:34: error: ‘rt1019_of_match’ defined but not used [-Werror=unused-const-variable=]

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230310214333.274903-8-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/rt1019.c b/sound/soc/codecs/rt1019.c
index 49f527c61a7adcaf6935ffbadd400ece082d18fc..dff2596c81eb8eec5475ea160f581645483cea37 100644 (file)
--- a/sound/soc/codecs/rt1019.c
+++ b/sound/soc/codecs/rt1019.c
@@ -546,7 +546,7 @@ static const struct i2c_device_id rt1019_i2c_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, rt1019_i2c_id);
 
-static const struct of_device_id rt1019_of_match[] = {
+static const struct of_device_id rt1019_of_match[] __maybe_unused = {
        { .compatible = "realtek,rt1019", },
        {},
 };