NAU8824_SAR_TRACKING_GAIN_SFT 1658 sound/soc/codecs/nau8824.c 		nau8824->sar_voltage << NAU8824_SAR_TRACKING_GAIN_SFT);
NAU8824_SAR_TRACKING_GAIN_SFT  216 sound/soc/codecs/nau8824.h #define NAU8824_SAR_TRACKING_GAIN_MASK	(0x7 << NAU8824_SAR_TRACKING_GAIN_SFT)