AD4130_CHANNEL_X_REG
[AD4130_CHANNEL_X_REG(0) ... AD4130_CHANNEL_X_REG(AD4130_MAX_CHANNELS - 1)] = 3,
ret = regmap_write(st->regmap, AD4130_CHANNEL_X_REG(i), val);
ret = regmap_update_bits(st->regmap, AD4130_CHANNEL_X_REG(channel),
ret = regmap_update_bits(st->regmap, AD4130_CHANNEL_X_REG(channel),