diff options
Diffstat (limited to 'net/rfkill')
| -rw-r--r-- | net/rfkill/Kconfig | 11 | ||||
| -rw-r--r-- | net/rfkill/Makefile | 1 | ||||
| -rw-r--r-- | net/rfkill/core.c | 100 | ||||
| -rw-r--r-- | net/rfkill/rfkill-regulator.c | 154 |
4 files changed, 85 insertions, 181 deletions
diff --git a/net/rfkill/Kconfig b/net/rfkill/Kconfig index 868f1ad0415a..060600b03fad 100644 --- a/net/rfkill/Kconfig +++ b/net/rfkill/Kconfig @@ -23,17 +23,6 @@ config RFKILL_INPUT depends on INPUT = y || RFKILL = INPUT default y if !EXPERT -config RFKILL_REGULATOR - tristate "Generic rfkill regulator driver" - depends on RFKILL || !RFKILL - depends on REGULATOR - help - This options enable controlling radio transmitters connected to - voltage regulator using the regulator framework. - - To compile this driver as a module, choose M here: the module will - be called rfkill-regulator. - config RFKILL_GPIO tristate "GPIO RFKILL driver" depends on RFKILL diff --git a/net/rfkill/Makefile b/net/rfkill/Makefile index 311768783f4a..87a80aded0b3 100644 --- a/net/rfkill/Makefile +++ b/net/rfkill/Makefile @@ -5,5 +5,4 @@ rfkill-y += core.o rfkill-$(CONFIG_RFKILL_INPUT) += input.o obj-$(CONFIG_RFKILL) += rfkill.o -obj-$(CONFIG_RFKILL_REGULATOR) += rfkill-regulator.o obj-$(CONFIG_RFKILL_GPIO) += rfkill-gpio.o diff --git a/net/rfkill/core.c b/net/rfkill/core.c index 884027f62783..2064c3a35ef8 100644 --- a/net/rfkill/core.c +++ b/net/rfkill/core.c @@ -176,6 +176,50 @@ static void rfkill_led_trigger_unregister(struct rfkill *rfkill) { led_trigger_unregister(&rfkill->led_trigger); } + +static struct led_trigger rfkill_any_led_trigger; +static struct work_struct rfkill_any_work; + +static void rfkill_any_led_trigger_worker(struct work_struct *work) +{ + enum led_brightness brightness = LED_OFF; + struct rfkill *rfkill; + + mutex_lock(&rfkill_global_mutex); + list_for_each_entry(rfkill, &rfkill_list, node) { + if (!(rfkill->state & RFKILL_BLOCK_ANY)) { + brightness = LED_FULL; + break; + } + } + mutex_unlock(&rfkill_global_mutex); + + led_trigger_event(&rfkill_any_led_trigger, brightness); +} + +static void rfkill_any_led_trigger_event(void) +{ + schedule_work(&rfkill_any_work); +} + +static void rfkill_any_led_trigger_activate(struct led_classdev *led_cdev) +{ + rfkill_any_led_trigger_event(); +} + +static int rfkill_any_led_trigger_register(void) +{ + INIT_WORK(&rfkill_any_work, rfkill_any_led_trigger_worker); + rfkill_any_led_trigger.name = "rfkill-any"; + rfkill_any_led_trigger.activate = rfkill_any_led_trigger_activate; + return led_trigger_register(&rfkill_any_led_trigger); +} + +static void rfkill_any_led_trigger_unregister(void) +{ + led_trigger_unregister(&rfkill_any_led_trigger); + cancel_work_sync(&rfkill_any_work); +} #else static void rfkill_led_trigger_event(struct rfkill *rfkill) { @@ -189,6 +233,19 @@ static inline int rfkill_led_trigger_register(struct rfkill *rfkill) static inline void rfkill_led_trigger_unregister(struct rfkill *rfkill) { } + +static void rfkill_any_led_trigger_event(void) +{ +} + +static int rfkill_any_led_trigger_register(void) +{ + return 0; +} + +static void rfkill_any_led_trigger_unregister(void) +{ +} #endif /* CONFIG_RFKILL_LEDS */ static void rfkill_fill_event(struct rfkill_event *ev, struct rfkill *rfkill, @@ -297,6 +354,7 @@ static void rfkill_set_block(struct rfkill *rfkill, bool blocked) spin_unlock_irqrestore(&rfkill->lock, flags); rfkill_led_trigger_event(rfkill); + rfkill_any_led_trigger_event(); if (prev != curr) rfkill_event(rfkill); @@ -477,11 +535,9 @@ bool rfkill_set_hw_state(struct rfkill *rfkill, bool blocked) spin_unlock_irqrestore(&rfkill->lock, flags); rfkill_led_trigger_event(rfkill); + rfkill_any_led_trigger_event(); - if (!rfkill->registered) - return ret; - - if (prev != blocked) + if (rfkill->registered && prev != blocked) schedule_work(&rfkill->uevent_work); return ret; @@ -523,6 +579,7 @@ bool rfkill_set_sw_state(struct rfkill *rfkill, bool blocked) schedule_work(&rfkill->uevent_work); rfkill_led_trigger_event(rfkill); + rfkill_any_led_trigger_event(); return blocked; } @@ -572,6 +629,7 @@ void rfkill_set_states(struct rfkill *rfkill, bool sw, bool hw) schedule_work(&rfkill->uevent_work); rfkill_led_trigger_event(rfkill); + rfkill_any_led_trigger_event(); } } EXPORT_SYMBOL(rfkill_set_states); @@ -988,6 +1046,7 @@ int __must_check rfkill_register(struct rfkill *rfkill) #endif } + rfkill_any_led_trigger_event(); rfkill_send_events(rfkill, RFKILL_OP_ADD); mutex_unlock(&rfkill_global_mutex); @@ -1020,6 +1079,7 @@ void rfkill_unregister(struct rfkill *rfkill) mutex_lock(&rfkill_global_mutex); rfkill_send_events(rfkill, RFKILL_OP_DEL); list_del_init(&rfkill->node); + rfkill_any_led_trigger_event(); mutex_unlock(&rfkill_global_mutex); rfkill_led_trigger_unregister(rfkill); @@ -1266,24 +1326,33 @@ static int __init rfkill_init(void) error = class_register(&rfkill_class); if (error) - goto out; + goto error_class; error = misc_register(&rfkill_miscdev); - if (error) { - class_unregister(&rfkill_class); - goto out; - } + if (error) + goto error_misc; + + error = rfkill_any_led_trigger_register(); + if (error) + goto error_led_trigger; #ifdef CONFIG_RFKILL_INPUT error = rfkill_handler_init(); - if (error) { - misc_deregister(&rfkill_miscdev); - class_unregister(&rfkill_class); - goto out; - } + if (error) + goto error_input; #endif - out: + return 0; + +#ifdef CONFIG_RFKILL_INPUT +error_input: + rfkill_any_led_trigger_unregister(); +#endif +error_led_trigger: + misc_deregister(&rfkill_miscdev); +error_misc: + class_unregister(&rfkill_class); +error_class: return error; } subsys_initcall(rfkill_init); @@ -1293,6 +1362,7 @@ static void __exit rfkill_exit(void) #ifdef CONFIG_RFKILL_INPUT rfkill_handler_exit(); #endif + rfkill_any_led_trigger_unregister(); misc_deregister(&rfkill_miscdev); class_unregister(&rfkill_class); } diff --git a/net/rfkill/rfkill-regulator.c b/net/rfkill/rfkill-regulator.c deleted file mode 100644 index 50cd26a48e87..000000000000 --- a/net/rfkill/rfkill-regulator.c +++ /dev/null @@ -1,154 +0,0 @@ -/* - * rfkill-regulator.c - Regulator consumer driver for rfkill - * - * Copyright (C) 2009 Guiming Zhuo <gmzhuo@gmail.com> - * Copyright (C) 2011 Antonio Ospite <ospite@studenti.unina.it> - * - * Implementation inspired by leds-regulator driver. - * - * 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. - * - */ - -#include <linux/module.h> -#include <linux/err.h> -#include <linux/slab.h> -#include <linux/platform_device.h> -#include <linux/regulator/consumer.h> -#include <linux/rfkill.h> -#include <linux/rfkill-regulator.h> - -struct rfkill_regulator_data { - struct rfkill *rf_kill; - bool reg_enabled; - - struct regulator *vcc; -}; - -static int rfkill_regulator_set_block(void *data, bool blocked) -{ - struct rfkill_regulator_data *rfkill_data = data; - int ret = 0; - - pr_debug("%s: blocked: %d\n", __func__, blocked); - - if (blocked) { - if (rfkill_data->reg_enabled) { - regulator_disable(rfkill_data->vcc); - rfkill_data->reg_enabled = false; - } - } else { - if (!rfkill_data->reg_enabled) { - ret = regulator_enable(rfkill_data->vcc); - if (!ret) - rfkill_data->reg_enabled = true; - } - } - - pr_debug("%s: regulator_is_enabled after set_block: %d\n", __func__, - regulator_is_enabled(rfkill_data->vcc)); - - return ret; -} - -static struct rfkill_ops rfkill_regulator_ops = { - .set_block = rfkill_regulator_set_block, -}; - -static int rfkill_regulator_probe(struct platform_device *pdev) -{ - struct rfkill_regulator_platform_data *pdata = pdev->dev.platform_data; - struct rfkill_regulator_data *rfkill_data; - struct regulator *vcc; - struct rfkill *rf_kill; - int ret = 0; - - if (pdata == NULL) { - dev_err(&pdev->dev, "no platform data\n"); - return -ENODEV; - } - - if (pdata->name == NULL || pdata->type == 0) { - dev_err(&pdev->dev, "invalid name or type in platform data\n"); - return -EINVAL; - } - - vcc = regulator_get_exclusive(&pdev->dev, "vrfkill"); - if (IS_ERR(vcc)) { - dev_err(&pdev->dev, "Cannot get vcc for %s\n", pdata->name); - ret = PTR_ERR(vcc); - goto out; - } - - rfkill_data = kzalloc(sizeof(*rfkill_data), GFP_KERNEL); - if (rfkill_data == NULL) { - ret = -ENOMEM; - goto err_data_alloc; - } - - rf_kill = rfkill_alloc(pdata->name, &pdev->dev, - pdata->type, - &rfkill_regulator_ops, rfkill_data); - if (rf_kill == NULL) { - ret = -ENOMEM; - goto err_rfkill_alloc; - } - - if (regulator_is_enabled(vcc)) { - dev_dbg(&pdev->dev, "Regulator already enabled\n"); - rfkill_data->reg_enabled = true; - } - rfkill_data->vcc = vcc; - rfkill_data->rf_kill = rf_kill; - - ret = rfkill_register(rf_kill); - if (ret) { - dev_err(&pdev->dev, "Cannot register rfkill device\n"); - goto err_rfkill_register; - } - - platform_set_drvdata(pdev, rfkill_data); - dev_info(&pdev->dev, "%s initialized\n", pdata->name); - - return 0; - -err_rfkill_register: - rfkill_destroy(rf_kill); -err_rfkill_alloc: - kfree(rfkill_data); -err_data_alloc: - regulator_put(vcc); -out: - return ret; -} - -static int rfkill_regulator_remove(struct platform_device *pdev) -{ - struct rfkill_regulator_data *rfkill_data = platform_get_drvdata(pdev); - struct rfkill *rf_kill = rfkill_data->rf_kill; - - rfkill_unregister(rf_kill); - rfkill_destroy(rf_kill); - regulator_put(rfkill_data->vcc); - kfree(rfkill_data); - - return 0; -} - -static struct platform_driver rfkill_regulator_driver = { - .probe = rfkill_regulator_probe, - .remove = rfkill_regulator_remove, - .driver = { - .name = "rfkill-regulator", - }, -}; - -module_platform_driver(rfkill_regulator_driver); - -MODULE_AUTHOR("Guiming Zhuo <gmzhuo@gmail.com>"); -MODULE_AUTHOR("Antonio Ospite <ospite@studenti.unina.it>"); -MODULE_DESCRIPTION("Regulator consumer driver for rfkill"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:rfkill-regulator"); |