B43_NPHY_SAMP_CMD
b43_phy_write(dev, B43_NPHY_SAMP_CMD, tmp);
b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP);
b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004);