WM8900_REG_HPCTL1_HP_OPSTAGE_ENA 317 sound/soc/codecs/wm8900.c hpctl1 |= WM8900_REG_HPCTL1_HP_OPSTAGE_ENA; WM8900_REG_HPCTL1_HP_OPSTAGE_ENA 333 sound/soc/codecs/wm8900.c hpctl1 &= ~WM8900_REG_HPCTL1_HP_OPSTAGE_ENA;