F_READY
ret = regmap_field_read(data->regmap_fields[F_READY], &ready);
ret = regmap_field_write(data->regmap_fields[F_READY], 1);
ret = regmap_field_write(data->regmap_fields[F_READY], 0);
[F_READY] = REG_FIELD(FXAS21002C_REG_CTRL1, 0, 0),
writel(val | F_READY | F_MC4_SLOW, adapter->regs + A_MC4_CFG);