NAU8825_SAR_TRACKING_GAIN_SFT 1806 sound/soc/codecs/nau8825.c 		nau8825->sar_voltage << NAU8825_SAR_TRACKING_GAIN_SFT);
NAU8825_SAR_TRACKING_GAIN_SFT  209 sound/soc/codecs/nau8825.h #define NAU8825_SAR_TRACKING_GAIN_MASK	(0x7 << NAU8825_SAR_TRACKING_GAIN_SFT)