void b43legacy_rfkill_poll(struct ieee80211_hw *hw)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev = wl->current_dev;
struct ssb_bus *bus = dev->dev->bus;
bool enabled;
bool brought_up = false;
mutex_lock(&wl->mutex);
if (unlikely(b43legacy_status(dev) < B43legacy_STAT_INITIALIZED)) {
if (ssb_bus_powerup(bus, 0)) {
mutex_unlock(&wl->mutex);
return;
}
ssb_device_enable(dev->dev, 0);
brought_up = true;
}
enabled = b43legacy_is_hw_radio_enabled(dev);
if (unlikely(enabled != dev->radio_hw_enable)) {
dev->radio_hw_enable = enabled;
b43legacyinfo(wl, "Radio hardware status changed to %s\n",
enabled ? "ENABLED" : "DISABLED");
wiphy_rfkill_set_hw_state(hw->wiphy, !enabled);
if (enabled != dev->phy.radio_on) {
if (enabled)
b43legacy_radio_turn_on(dev);
else
b43legacy_radio_turn_off(dev, 0);
}
}
if (brought_up) {
ssb_device_disable(dev->dev, 0);
ssb_bus_may_powerdown(bus);
}
mutex_unlock(&wl->mutex);
}
static int b43_bus_ssb_bus_powerup(struct b43_bus_dev *dev,
bool dynamic_pctl)
{
return ssb_bus_powerup(dev->sdev->bus, dynamic_pctl);
}