diff options
author | Kevin | 2014-11-15 09:58:27 +0800 |
---|---|---|
committer | Kevin | 2014-11-15 09:58:27 +0800 |
commit | 392e8802486cb573b916e746010e141a75f507e6 (patch) | |
tree | 50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/drivers/net/wireless/rtl818x/rtl8187/rfkill.c | |
download | FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.tar.gz FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.tar.bz2 FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.zip |
init android origin source code
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/wireless/rtl818x/rtl8187/rfkill.c')
-rw-r--r-- | ANDROID_3.4.5/drivers/net/wireless/rtl818x/rtl8187/rfkill.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/drivers/net/wireless/rtl818x/rtl8187/rfkill.c b/ANDROID_3.4.5/drivers/net/wireless/rtl818x/rtl8187/rfkill.c new file mode 100644 index 00000000..34116719 --- /dev/null +++ b/ANDROID_3.4.5/drivers/net/wireless/rtl818x/rtl8187/rfkill.c @@ -0,0 +1,64 @@ +/* + * Linux RFKILL support for RTL8187 + * + * Copyright (c) 2009 Herton Ronaldo Krzesinski <herton@mandriva.com.br> + * + * Based on the RFKILL handling in the r8187 driver, which is: + * Copyright (c) Realtek Semiconductor Corp. All rights reserved. + * + * Thanks to Realtek for their support! + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/types.h> +#include <linux/usb.h> +#include <net/mac80211.h> + +#include "rtl8187.h" +#include "rfkill.h" + +static bool rtl8187_is_radio_enabled(struct rtl8187_priv *priv) +{ + u8 gpio; + + gpio = rtl818x_ioread8(priv, &priv->map->GPIO0); + rtl818x_iowrite8(priv, &priv->map->GPIO0, gpio & ~priv->rfkill_mask); + gpio = rtl818x_ioread8(priv, &priv->map->GPIO1); + + return gpio & priv->rfkill_mask; +} + +void rtl8187_rfkill_init(struct ieee80211_hw *hw) +{ + struct rtl8187_priv *priv = hw->priv; + + priv->rfkill_off = rtl8187_is_radio_enabled(priv); + printk(KERN_INFO "rtl8187: wireless switch is %s\n", + priv->rfkill_off ? "on" : "off"); + wiphy_rfkill_set_hw_state(hw->wiphy, !priv->rfkill_off); + wiphy_rfkill_start_polling(hw->wiphy); +} + +void rtl8187_rfkill_poll(struct ieee80211_hw *hw) +{ + bool enabled; + struct rtl8187_priv *priv = hw->priv; + + mutex_lock(&priv->conf_mutex); + enabled = rtl8187_is_radio_enabled(priv); + if (unlikely(enabled != priv->rfkill_off)) { + priv->rfkill_off = enabled; + printk(KERN_INFO "rtl8187: wireless radio switch turned %s\n", + enabled ? "on" : "off"); + wiphy_rfkill_set_hw_state(hw->wiphy, !enabled); + } + mutex_unlock(&priv->conf_mutex); +} + +void rtl8187_rfkill_exit(struct ieee80211_hw *hw) +{ + wiphy_rfkill_stop_polling(hw->wiphy); +} |