84 lines
2.0 KiB
C
84 lines
2.0 KiB
C
/*
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* Intel Wireless Multicomm 3200 WiFi driver
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*
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* Copyright (C) 2009 Intel Corporation <ilw@linux.intel.com>
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* Samuel Ortiz <samuel.ortiz@intel.com>
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* Zhu Yi <yi.zhu@intel.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version
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* 2 as published by the Free Software Foundation.
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*
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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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*
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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 Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*
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*/
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#include <linux/rfkill.h>
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#include "iwm.h"
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static int iwm_rfkill_set_block(void *data, bool blocked)
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{
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struct iwm_priv *iwm = data;
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if (!blocked) {
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if (test_bit(IWM_RADIO_RFKILL_HW, &iwm->radio))
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return -EBUSY;
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if (test_and_clear_bit(IWM_RADIO_RFKILL_SW, &iwm->radio) &&
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(iwm_to_ndev(iwm)->flags & IFF_UP))
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return iwm_up(iwm);
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} else {
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if (!test_and_set_bit(IWM_RADIO_RFKILL_SW, &iwm->radio))
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return iwm_down(iwm);
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}
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return 0;
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}
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static const struct rfkill_ops iwm_rfkill_ops = {
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.set_block = iwm_rfkill_set_block,
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};
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int iwm_rfkill_init(struct iwm_priv *iwm)
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{
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int ret;
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iwm->rfkill = rfkill_alloc(KBUILD_MODNAME,
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iwm_to_dev(iwm),
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RFKILL_TYPE_WLAN,
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&iwm_rfkill_ops, iwm);
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if (!iwm->rfkill) {
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IWM_ERR(iwm, "Unable to allocate rfkill device\n");
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return -ENOMEM;
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}
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ret = rfkill_register(iwm->rfkill);
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if (ret) {
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IWM_ERR(iwm, "Failed to register rfkill device\n");
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goto fail;
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}
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return 0;
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fail:
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rfkill_destroy(iwm->rfkill);
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return ret;
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}
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void iwm_rfkill_exit(struct iwm_priv *iwm)
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{
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if (iwm->rfkill) {
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rfkill_unregister(iwm->rfkill);
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rfkill_destroy(iwm->rfkill);
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}
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iwm->rfkill = NULL;
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}
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