STMPE_IDX_GPFER_LSB
[REG_FE][LSB] = STMPE_IDX_GPFER_LSB,
fall_reg = stmpe->regs[STMPE_IDX_GPFER_LSB + bank];
[STMPE_IDX_GPFER_LSB] = STMPE811_REG_GPIO_FE,
[STMPE_IDX_GPFER_LSB] = STMPE1601_REG_GPIO_FE_LSB,
[STMPE_IDX_GPFER_LSB] = STMPE1801_REG_GPIO_FE_LOW,
[STMPE_IDX_GPFER_LSB] = STMPE24XX_REG_GPFER_LSB,