STMPE_IDX_GPEDR_LSB
edge_det_reg = stmpe->regs[STMPE_IDX_GPEDR_LSB + bank];
[STMPE_IDX_GPEDR_LSB] = STMPE811_REG_GPIO_ED,
[STMPE_IDX_GPEDR_LSB] = STMPE1601_REG_GPIO_ED_LSB,
[STMPE_IDX_GPEDR_LSB] = STMPE24XX_REG_GPEDR_LSB,