NAU8825_KEYDET_SHORTKEY_DEBOUNCE_SFT 1822 sound/soc/codecs/nau8825.c 		nau8825->key_debounce << NAU8825_KEYDET_SHORTKEY_DEBOUNCE_SFT);
NAU8825_KEYDET_SHORTKEY_DEBOUNCE_SFT  217 sound/soc/codecs/nau8825.h #define NAU8825_KEYDET_SHORTKEY_DEBOUNCE_MASK	(0x3 << NAU8825_KEYDET_SHORTKEY_DEBOUNCE_SFT)