ADM8211_BBPCTL_WR
if (!(reg & (ADM8211_BBPCTL_WR | ADM8211_BBPCTL_RD)))
reg |= ADM8211_BBPCTL_WR | (addr << 8) | data;
if (!(reg & ADM8211_BBPCTL_WR))
~ADM8211_BBPCTL_WR);