wm8974_eq4 62 sound/soc/codecs/wm8974.c static const char *wm8974_eq4[] = {"1.8kHz", "2.4kHz", "3.2kHz", "4.1kHz" }; wm8974_eq4 79 sound/soc/codecs/wm8974.c SOC_ENUM_SINGLE(WM8974_EQ4, 5, 4, wm8974_eq4),