airport: remove useless return in a function returning void
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-led.h
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1/******************************************************************************
2 *
3 * Copyright(c) 2003 - 2008 Intel Corporation. All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
20 *
21 * Contact Information:
22 * James P. Ketrenos <ipw2100-admin@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *
25 *****************************************************************************/
26
27#ifndef __iwl_leds_h__
28#define __iwl_leds_h__
29
30
31struct iwl_priv;
32
33#ifdef CONFIG_IWLWIFI_LEDS
34#include <linux/leds.h>
35
36#define IWL_LED_SOLID 11
37#define IWL_LED_NAME_LEN 31
38#define IWL_DEF_LED_INTRVL __constant_cpu_to_le32(1000)
39
40#define IWL_LED_ACTIVITY (0<<1)
41#define IWL_LED_LINK (1<<1)
42
43enum led_type {
44 IWL_LED_TRG_TX,
45 IWL_LED_TRG_RX,
46 IWL_LED_TRG_ASSOC,
47 IWL_LED_TRG_RADIO,
48 IWL_LED_TRG_MAX,
49};
50
51
0eee6127 52struct iwl_led {
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53 struct iwl_priv *priv;
54 struct led_classdev led_dev;
5cbbb376 55 char name[32];
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56
57 int (*led_on) (struct iwl_priv *priv, int led_id);
58 int (*led_off) (struct iwl_priv *priv, int led_id);
3eb2011a 59 int (*led_pattern) (struct iwl_priv *priv, int led_id, unsigned int idx);
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60
61 enum led_type type;
62 unsigned int registered;
63};
64
65int iwl_leds_register(struct iwl_priv *priv);
66void iwl_leds_unregister(struct iwl_priv *priv);
67void iwl_leds_background(struct iwl_priv *priv);
68
69#else
70static inline int iwl_leds_register(struct iwl_priv *priv)
71{
72 return 0;
73}
74static inline void iwl_leds_unregister(struct iwl_priv *priv)
75{
76}
77static inline void iwl_leds_background(struct iwl_priv *priv)
78{
79}
80
81#endif /* CONFIG_IWLWIFI_LEDS */
82#endif /* __iwl_leds_h__ */
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