msi001_set_gain
ret = msi001_set_gain(dev, dev->lna_gain->cur.val,
ret = msi001_set_gain(dev, dev->lna_gain->val,
ret = msi001_set_gain(dev, dev->lna_gain->cur.val,
ret = msi001_set_gain(dev, dev->lna_gain->cur.val,