BU27034_CHAN_DATA0
[BU27034_CHAN_DATA0] = BU27034_REG_MODE_CONTROL2,
[BU27034_CHAN_DATA0] = BU27034_REG_MODE_CONTROL2,
{ .chan = BU27034_CHAN_DATA0 },
if (chan == BU27034_CHAN_DATA0)
gain.chan = BU27034_CHAN_DATA0;
[BU27034_CHAN_DATA0] = BU27034_REG_DATA0_LO,
if (chan < BU27034_CHAN_DATA0 || chan > BU27034_CHAN_DATA1)
ret = bu27034_get_gain(data, BU27034_CHAN_DATA0, &gain0);
GENMASK(BU27034_CHAN_DATA1, BU27034_CHAN_DATA0),