B43_MMIO_CHANNEL
b43_write16(dev, B43_MMIO_CHANNEL,
b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(1));
b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(channel));
b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(channel));
b43_write16(dev, B43_MMIO_CHANNEL, lpphy->channel);
b43_write16(dev, B43_MMIO_CHANNEL, new_channel);