isl_read_sensor
use_als = isl_read_sensor(dev, CMD1_MASK_ALS_ONCE) >= 0;
use_ir = isl_read_sensor(dev, CMD1_MASK_IR_ONCE) >= 0;
use_prox = isl_read_sensor(dev, CMD1_MASK_PROX_ONCE) >= 0;
arg = (isl_read_sensor(sc->dev,
arg = isl_read_sensor(sc->dev, CMD1_MASK_IR_ONCE);
arg = isl_read_sensor(sc->dev, CMD1_MASK_PROX_ONCE);
static int isl_read_sensor(device_t dev, uint8_t cmd_mask);