mirror of
https://github.com/torvalds/linux
synced 2024-11-05 18:23:50 +00:00
066cb637b1
The rt2x00dev->flags has become a chaos over time, this will reorganize the flags by renaming, deleting, adding and properly implement the flags. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
146 lines
3.9 KiB
C
146 lines
3.9 KiB
C
/*
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Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
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<http://rt2x00.serialmonkey.com>
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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 as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the
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Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/*
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Module: rt2x00rfkill
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Abstract: rt2x00 rfkill routines.
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*/
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/*
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* Set enviroment defines for rt2x00.h
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*/
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#define DRV_NAME "rt2x00lib"
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#include <linux/input-polldev.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/rfkill.h>
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#include "rt2x00.h"
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#include "rt2x00lib.h"
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static int rt2x00rfkill_toggle_radio(void *data, enum rfkill_state state)
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{
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struct rt2x00_dev *rt2x00dev = data;
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int retval = 0;
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if (unlikely(!rt2x00dev))
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return 0;
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/*
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* Only continue if there are enabled interfaces.
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*/
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if (!test_bit(DEVICE_STARTED, &rt2x00dev->flags))
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return 0;
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if (state == RFKILL_STATE_ON) {
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INFO(rt2x00dev, "Hardware button pressed, enabling radio.\n");
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__set_bit(DEVICE_ENABLED_RADIO_HW, &rt2x00dev->flags);
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retval = rt2x00lib_enable_radio(rt2x00dev);
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} else if (state == RFKILL_STATE_OFF) {
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INFO(rt2x00dev, "Hardware button pressed, disabling radio.\n");
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__clear_bit(DEVICE_ENABLED_RADIO_HW, &rt2x00dev->flags);
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rt2x00lib_disable_radio(rt2x00dev);
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}
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return retval;
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}
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static void rt2x00rfkill_poll(struct input_polled_dev *poll_dev)
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{
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struct rt2x00_dev *rt2x00dev = poll_dev->private;
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int state = rt2x00dev->ops->lib->rfkill_poll(rt2x00dev);
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if (rt2x00dev->rfkill->state != state)
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input_report_key(poll_dev->input, KEY_WLAN, 1);
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}
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int rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev)
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{
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int retval;
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if (!test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags))
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return 0;
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retval = rfkill_register(rt2x00dev->rfkill);
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if (retval) {
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ERROR(rt2x00dev, "Failed to register rfkill handler.\n");
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return retval;
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}
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retval = input_register_polled_device(rt2x00dev->poll_dev);
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if (retval) {
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ERROR(rt2x00dev, "Failed to register polled device.\n");
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rfkill_unregister(rt2x00dev->rfkill);
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return retval;
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}
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return 0;
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}
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void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev)
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{
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if (!test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags))
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return;
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input_unregister_polled_device(rt2x00dev->poll_dev);
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rfkill_unregister(rt2x00dev->rfkill);
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}
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int rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev)
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{
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struct device *device = wiphy_dev(rt2x00dev->hw->wiphy);
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if (!test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags))
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return 0;
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rt2x00dev->rfkill = rfkill_allocate(device, RFKILL_TYPE_WLAN);
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if (!rt2x00dev->rfkill) {
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ERROR(rt2x00dev, "Failed to allocate rfkill handler.\n");
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return -ENOMEM;
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}
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rt2x00dev->rfkill->name = rt2x00dev->ops->name;
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rt2x00dev->rfkill->data = rt2x00dev;
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rt2x00dev->rfkill->state = rt2x00dev->ops->lib->rfkill_poll(rt2x00dev);
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rt2x00dev->rfkill->toggle_radio = rt2x00rfkill_toggle_radio;
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rt2x00dev->poll_dev = input_allocate_polled_device();
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if (!rt2x00dev->poll_dev) {
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ERROR(rt2x00dev, "Failed to allocate polled device.\n");
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rfkill_free(rt2x00dev->rfkill);
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return -ENOMEM;
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}
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rt2x00dev->poll_dev->private = rt2x00dev;
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rt2x00dev->poll_dev->poll = rt2x00rfkill_poll;
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rt2x00dev->poll_dev->poll_interval = RFKILL_POLL_INTERVAL;
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return 0;
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}
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void rt2x00rfkill_free(struct rt2x00_dev *rt2x00dev)
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{
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if (!test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags))
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return;
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input_free_polled_device(rt2x00dev->poll_dev);
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rfkill_free(rt2x00dev->rfkill);
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}
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