ltr390_set_mode
ret = ltr390_set_mode(data, LTR390_SET_UVS_MODE);
ret = ltr390_set_mode(data, LTR390_SET_ALS_MODE);
ret = ltr390_set_mode(data, LTR390_SET_ALS_MODE);
ret = ltr390_set_mode(data, LTR390_SET_UVS_MODE);