diff options
author | Mike Marshall <hubcap@omnibond.com> | 2015-11-16 18:58:57 +0300 |
---|---|---|
committer | Mike Marshall <hubcap@omnibond.com> | 2015-11-16 18:58:57 +0300 |
commit | a52079dad4718fa924ae81a939f8a665366f562b (patch) | |
tree | a9d6004f9bf1beff49cbfe0d5bf6edbf621b065d /drivers/net/wireless/realtek/rtl818x/rtl8187/rfkill.c | |
parent | 24c8d0804be00da90af9efa8eb404bd7a3284ba9 (diff) | |
parent | 8005c49d9aea74d382f474ce11afbbc7d7130bec (diff) | |
download | linux-a52079dad4718fa924ae81a939f8a665366f562b.tar.xz |
Orangefs: Merge tag 'v4.4-rc1' into for-next
Linux 4.4-rc1
Diffstat (limited to 'drivers/net/wireless/realtek/rtl818x/rtl8187/rfkill.c')
-rw-r--r-- | drivers/net/wireless/realtek/rtl818x/rtl8187/rfkill.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtl818x/rtl8187/rfkill.c b/drivers/net/wireless/realtek/rtl818x/rtl8187/rfkill.c new file mode 100644 index 000000000000..34116719974a --- /dev/null +++ b/drivers/net/wireless/realtek/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); +} |