diff options
Diffstat (limited to 'include/linux/rfkill.h')
| -rw-r--r-- | include/linux/rfkill.h | 79 |
1 files changed, 31 insertions, 48 deletions
diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h index e73e2429a1b1..c6c608482cba 100644 --- a/include/linux/rfkill.h +++ b/include/linux/rfkill.h @@ -6,20 +6,17 @@ * Copyright (C) 2007 Dmitry Torokhov * Copyright 2009 Johannes Berg <johannes@sipsolutions.net> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. * - * 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., - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <linux/types.h> @@ -32,12 +29,14 @@ /** * enum rfkill_type - type of rfkill switch. * - * @RFKILL_TYPE_ALL: toggles all switches (userspace only) + * @RFKILL_TYPE_ALL: toggles all switches (requests only - not a switch type) * @RFKILL_TYPE_WLAN: switch is on a 802.11 wireless network device. * @RFKILL_TYPE_BLUETOOTH: switch is on a bluetooth device. * @RFKILL_TYPE_UWB: switch is on a ultra wideband device. * @RFKILL_TYPE_WIMAX: switch is on a WiMAX device. * @RFKILL_TYPE_WWAN: switch is on a wireless WAN device. + * @RFKILL_TYPE_GPS: switch is on a GPS device. + * @RFKILL_TYPE_FM: switch is on a FM radio device. * @NUM_RFKILL_TYPES: number of defined rfkill types */ enum rfkill_type { @@ -47,6 +46,8 @@ enum rfkill_type { RFKILL_TYPE_UWB, RFKILL_TYPE_WIMAX, RFKILL_TYPE_WWAN, + RFKILL_TYPE_GPS, + RFKILL_TYPE_FM, NUM_RFKILL_TYPES, }; @@ -80,7 +81,21 @@ struct rfkill_event { __u8 type; __u8 op; __u8 soft, hard; -} __packed; +} __attribute__((packed)); + +/* + * We are planning to be backward and forward compatible with changes + * to the event struct, by adding new, optional, members at the end. + * When reading an event (whether the kernel from userspace or vice + * versa) we need to accept anything that's at least as large as the + * version 1 event size, but might be able to accept other sizes in + * the future. + * + * One exception is the kernel -- we already have two event sizes in + * that we've made the 'hard' member optional since our only option + * is to ignore it anyway. + */ +#define RFKILL_EVENT_SIZE_V1 8 /* ioctl for turning off rfkill-input (if present) */ #define RFKILL_IOC_MAGIC 'R' @@ -99,7 +114,6 @@ enum rfkill_user_states { #undef RFKILL_STATE_UNBLOCKED #undef RFKILL_STATE_HARD_BLOCKED -#include <linux/types.h> #include <linux/kernel.h> #include <linux/list.h> #include <linux/mutex.h> @@ -225,7 +239,7 @@ void rfkill_destroy(struct rfkill *rfkill); * should be blocked) so that drivers need not keep track of the soft * block state -- which they might not be able to. */ -bool __must_check rfkill_set_hw_state(struct rfkill *rfkill, bool blocked); +bool rfkill_set_hw_state(struct rfkill *rfkill, bool blocked); /** * rfkill_set_sw_state - Set the internal rfkill software block state @@ -340,37 +354,6 @@ static inline bool rfkill_blocked(struct rfkill *rfkill) } #endif /* RFKILL || RFKILL_MODULE */ - -#ifdef CONFIG_RFKILL_LEDS -/** - * rfkill_get_led_trigger_name - Get the LED trigger name for the button's LED. - * This function might return a NULL pointer if registering of the - * LED trigger failed. Use this as "default_trigger" for the LED. - */ -const char *rfkill_get_led_trigger_name(struct rfkill *rfkill); - -/** - * rfkill_set_led_trigger_name -- set the LED trigger name - * @rfkill: rfkill struct - * @name: LED trigger name - * - * This function sets the LED trigger name of the radio LED - * trigger that rfkill creates. It is optional, but if called - * must be called before rfkill_register() to be effective. - */ -void rfkill_set_led_trigger_name(struct rfkill *rfkill, const char *name); -#else -static inline const char *rfkill_get_led_trigger_name(struct rfkill *rfkill) -{ - return NULL; -} - -static inline void -rfkill_set_led_trigger_name(struct rfkill *rfkill, const char *name) -{ -} -#endif - #endif /* __KERNEL__ */ #endif /* RFKILL_H */ |