Function prototype or declaration at sound/soc/codecs/rl6231.h, line 28 References: sound/soc/codecs/rt1011.c, line 1769 sound/soc/codecs/rt1015.c, line 865 sound/soc/codecs/rt1016.c, line 491 sound/soc/codecs/rt1019.c, line 360 sound/soc/codecs/rt1305.c, line 842 sound/soc/codecs/rt1308.c, line 665 sound/soc/codecs/rt5514.c, line 937 sound/soc/codecs/rt5616.c, line 1134 sound/soc/codecs/rt5640.c, line 1910 sound/soc/codecs/rt5645.c, line 2970 sound/soc/codecs/rt5651.c, line 1488 sound/soc/codecs/rt5659.c, line 3510 sound/soc/codecs/rt5660.c, line 1047 sound/soc/codecs/rt5663.c, line 2942 sound/soc/codecs/rt5665.c, line 4375 sound/soc/codecs/rt5668.c, line 2172 sound/soc/codecs/rt5670.c, line 2578 sound/soc/codecs/rt5677.c, line 4498 sound/soc/codecs/rt5682.c, line 2328 sound/soc/codecs/rt5682.c, line 2340 sound/soc/codecs/rt5682.c, line 2391