xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[B43]: Support for turning the radio off from software.

Browse Source 
This adds support for turning the radio off in software.
That's useful in environments, where you don't want the RF
to radiate any signals, but don't want to bring the interface down.

Cc: Larry Finger <larry.finger@lwfinger.net>
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Buesch
2007-09-20 22:14:18 +02:00
committed by David S. Miller
parent 6a724d68a3
commit fda9abcf1a
3 changed files with 63 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/net/wireless/b43/main.c
View File

@@ -2874,6 +2874,21 @@ static int b43_dev_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
if (b43_is_mode(wl, IEEE80211_IF_TYPE_AP))
b43_set_beacon_int(dev, conf->beacon_int);
if (!!conf->radio_enabled != phy->radio_on) {
if (conf->radio_enabled) {
b43_radio_turn_on(dev);
b43info(dev->wl, "Radio turned on by software\n");
if (!dev->radio_hw_enable) {
b43info(dev->wl, "The hardware RF-kill button "
"still turns the radio physically off. "
"Press the button to turn it on.\n");
}
} else {
b43_radio_turn_off(dev);
b43info(dev->wl, "Radio turned off by software\n");
}
}
spin_lock_irqsave(&wl->irq_lock, flags);
b43_interrupt_enable(dev, savedirqs);
mmiowb();
@@ -3218,6 +3233,8 @@ static void setup_struct_phy_for_init(struct b43_wldev *dev,
phy->aci_wlan_automatic = 0;
phy->aci_hw_rssi = 0;
phy->radio_off_context.valid = 0;
lo = phy->lo_control;
if (lo) {
memset(lo, 0, sizeof(*(phy->lo_control)));