70d57139f9
There are different bits used to convey the setting of the rfkill switch to the driver. The current driver only supports one of these possibilities. These changes were derived from the latest version of the vendor driver. This patch fixes the regression noted in kernel Bugzilla #14743. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Reported-and-tested-by: Antti Kaijanmäki <antti@kaijanmaki.net> Tested-by: Hin-Tak Leung <hintak.leung@gmail.com> Cc: Stable <stable@kernel.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
/*
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* Linux RFKILL support for RTL8187
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*
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* Copyright (c) 2009 Herton Ronaldo Krzesinski <herton@mandriva.com.br>
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*
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* Based on the RFKILL handling in the r8187 driver, which is:
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* Copyright (c) Realtek Semiconductor Corp. All rights reserved.
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*
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* Thanks to Realtek for their support!
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/types.h>
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#include <linux/usb.h>
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#include <net/mac80211.h>
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#include "rtl8187.h"
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#include "rtl8187_rfkill.h"
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static bool rtl8187_is_radio_enabled(struct rtl8187_priv *priv)
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{
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u8 gpio;
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gpio = rtl818x_ioread8(priv, &priv->map->GPIO0);
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rtl818x_iowrite8(priv, &priv->map->GPIO0, gpio & ~priv->rfkill_mask);
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gpio = rtl818x_ioread8(priv, &priv->map->GPIO1);
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return gpio & priv->rfkill_mask;
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}
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void rtl8187_rfkill_init(struct ieee80211_hw *hw)
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{
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struct rtl8187_priv *priv = hw->priv;
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priv->rfkill_off = rtl8187_is_radio_enabled(priv);
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printk(KERN_INFO "rtl8187: wireless switch is %s\n",
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priv->rfkill_off ? "on" : "off");
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wiphy_rfkill_set_hw_state(hw->wiphy, !priv->rfkill_off);
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wiphy_rfkill_start_polling(hw->wiphy);
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}
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void rtl8187_rfkill_poll(struct ieee80211_hw *hw)
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{
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bool enabled;
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struct rtl8187_priv *priv = hw->priv;
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mutex_lock(&priv->conf_mutex);
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enabled = rtl8187_is_radio_enabled(priv);
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if (unlikely(enabled != priv->rfkill_off)) {
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priv->rfkill_off = enabled;
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printk(KERN_INFO "rtl8187: wireless radio switch turned %s\n",
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enabled ? "on" : "off");
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wiphy_rfkill_set_hw_state(hw->wiphy, !enabled);
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}
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mutex_unlock(&priv->conf_mutex);
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}
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void rtl8187_rfkill_exit(struct ieee80211_hw *hw)
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{
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wiphy_rfkill_stop_polling(hw->wiphy);
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}
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