![Linus Torvalds](/assets/img/avatar_default.png)
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (43 commits) fs: Merge split strings treewide: fix potentially dangerous trailing ';' in #defined values/expressions uwb: Fix misspelling of neighbourhood in comment net, netfilter: Remove redundant goto in ebt_ulog_packet trivial: don't touch files that are removed in the staging tree lib/vsprintf: replace link to Draft by final RFC number doc: Kconfig: `to be' -> `be' doc: Kconfig: Typo: square -> squared doc: Konfig: Documentation/power/{pm => apm-acpi}.txt drivers/net: static should be at beginning of declaration drivers/media: static should be at beginning of declaration drivers/i2c: static should be at beginning of declaration XTENSA: static should be at beginning of declaration SH: static should be at beginning of declaration MIPS: static should be at beginning of declaration ARM: static should be at beginning of declaration rcu: treewide: Do not use rcu_read_lock_held when calling rcu_dereference_check Update my e-mail address PCIe ASPM: forcedly -> forcibly gma500: push through device driver tree ... Fix up trivial conflicts: - arch/arm/mach-ep93xx/dma-m2p.c (deleted) - drivers/gpio/gpio-ep93xx.c (renamed and context nearby) - drivers/net/r8169.c (just context changes)
71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/*
|
|
|
|
Broadcom B43 wireless driver
|
|
RFKILL support
|
|
|
|
Copyright (c) 2007 Michael Buesch <m@bues.ch>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; see the file COPYING. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
|
|
Boston, MA 02110-1301, USA.
|
|
|
|
*/
|
|
|
|
#include "b43.h"
|
|
|
|
|
|
/* Returns TRUE, if the radio is enabled in hardware. */
|
|
bool b43_is_hw_radio_enabled(struct b43_wldev *dev)
|
|
{
|
|
return !(b43_read32(dev, B43_MMIO_RADIO_HWENABLED_HI)
|
|
& B43_MMIO_RADIO_HWENABLED_HI_MASK);
|
|
}
|
|
|
|
/* The poll callback for the hardware button. */
|
|
void b43_rfkill_poll(struct ieee80211_hw *hw)
|
|
{
|
|
struct b43_wl *wl = hw_to_b43_wl(hw);
|
|
struct b43_wldev *dev = wl->current_dev;
|
|
bool enabled;
|
|
bool brought_up = false;
|
|
|
|
mutex_lock(&wl->mutex);
|
|
if (unlikely(b43_status(dev) < B43_STAT_INITIALIZED)) {
|
|
if (b43_bus_powerup(dev, 0)) {
|
|
mutex_unlock(&wl->mutex);
|
|
return;
|
|
}
|
|
b43_device_enable(dev, 0);
|
|
brought_up = true;
|
|
}
|
|
|
|
enabled = b43_is_hw_radio_enabled(dev);
|
|
|
|
if (unlikely(enabled != dev->radio_hw_enable)) {
|
|
dev->radio_hw_enable = enabled;
|
|
b43info(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)
|
|
b43_software_rfkill(dev, !enabled);
|
|
}
|
|
|
|
if (brought_up) {
|
|
b43_device_disable(dev, 0);
|
|
b43_bus_may_powerdown(dev);
|
|
}
|
|
|
|
mutex_unlock(&wl->mutex);
|
|
}
|