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/*
* Intel Wireless Multicomm 3200 WiFi driver
*
* Copyright (C) 2009 Intel Corporation <ilw@linux.intel.com>
* Samuel Ortiz <samuel.ortiz@intel.com>
* Zhu Yi <yi.zhu@intel.com>
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
*/
#include <linux/rfkill.h>
#include "iwm.h"
static int iwm_rfkill_set_block(void *data, bool blocked)
{
struct iwm_priv *iwm = data;
if (!blocked) {
if (test_bit(IWM_RADIO_RFKILL_HW, &iwm->radio))
return -EBUSY;
if (test_and_clear_bit(IWM_RADIO_RFKILL_SW, &iwm->radio) &&
(iwm_to_ndev(iwm)->flags & IFF_UP))
return iwm_up(iwm);
} else {
if (!test_and_set_bit(IWM_RADIO_RFKILL_SW, &iwm->radio))
return iwm_down(iwm);
}
return 0;
}
static const struct rfkill_ops iwm_rfkill_ops = {
.set_block = iwm_rfkill_set_block,
};
int iwm_rfkill_init(struct iwm_priv *iwm)
{
int ret;
iwm->rfkill = rfkill_alloc(KBUILD_MODNAME,
iwm_to_dev(iwm),
RFKILL_TYPE_WLAN,
&iwm_rfkill_ops, iwm);
if (!iwm->rfkill) {
IWM_ERR(iwm, "Unable to allocate rfkill device\n");
return -ENOMEM;
}
ret = rfkill_register(iwm->rfkill);
if (ret) {
IWM_ERR(iwm, "Failed to register rfkill device\n");
goto fail;
}
return 0;
fail:
rfkill_destroy(iwm->rfkill);
return ret;
}
void iwm_rfkill_exit(struct iwm_priv *iwm)
{
if (iwm->rfkill) {
rfkill_unregister(iwm->rfkill);
rfkill_destroy(iwm->rfkill);
}
iwm->rfkill = NULL;
}
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