diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00rfkill.c')
-rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00rfkill.c | 114 |
1 files changed, 38 insertions, 76 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00rfkill.c b/drivers/net/wireless/rt2x00/rt2x00rfkill.c index fcef9885ab5..04b29716d35 100644 --- a/drivers/net/wireless/rt2x00/rt2x00rfkill.c +++ b/drivers/net/wireless/rt2x00/rt2x00rfkill.c @@ -23,7 +23,6 @@ Abstract: rt2x00 rfkill routines. */ -#include <linux/input-polldev.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/rfkill.h> @@ -45,28 +44,51 @@ static int rt2x00rfkill_toggle_radio(void *data, enum rfkill_state state) if (!test_bit(DEVICE_STARTED, &rt2x00dev->flags)) return 0; - if (state == RFKILL_STATE_ON) { + if (state == RFKILL_STATE_UNBLOCKED) { INFO(rt2x00dev, "Hardware button pressed, enabling radio.\n"); __clear_bit(DEVICE_DISABLED_RADIO_HW, &rt2x00dev->flags); retval = rt2x00lib_enable_radio(rt2x00dev); - } else if (state == RFKILL_STATE_OFF) { + } else if (state == RFKILL_STATE_SOFT_BLOCKED) { INFO(rt2x00dev, "Hardware button pressed, disabling radio.\n"); __set_bit(DEVICE_DISABLED_RADIO_HW, &rt2x00dev->flags); rt2x00lib_disable_radio(rt2x00dev); + } else { + WARNING(rt2x00dev, "Received unexpected rfkill state %d.\n", + state); } return retval; } -static void rt2x00rfkill_poll(struct input_polled_dev *poll_dev) +static int rt2x00rfkill_get_state(void *data, enum rfkill_state *state) { - struct rt2x00_dev *rt2x00dev = poll_dev->private; - int state = rt2x00dev->ops->lib->rfkill_poll(rt2x00dev); + struct rt2x00_dev *rt2x00dev = data; - if (rt2x00dev->rfkill->state != state) { - input_report_key(poll_dev->input, KEY_WLAN, 1); - input_report_key(poll_dev->input, KEY_WLAN, 0); - } + *state = rt2x00dev->rfkill->state; + + return 0; +} + +static void rt2x00rfkill_poll(struct work_struct *work) +{ + struct rt2x00_dev *rt2x00dev = + container_of(work, struct rt2x00_dev, rfkill_work.work); + int state; + + if (!test_bit(RFKILL_STATE_REGISTERED, &rt2x00dev->rfkill_state)) + return; + + /* + * rfkill_poll reports 1 when the key has been pressed and the + * radio should be blocked. + */ + state = !rt2x00dev->ops->lib->rfkill_poll(rt2x00dev) ? + RFKILL_STATE_UNBLOCKED : RFKILL_STATE_SOFT_BLOCKED; + + rfkill_force_state(rt2x00dev->rfkill, state); + + queue_delayed_work(rt2x00dev->hw->workqueue, + &rt2x00dev->rfkill_work, RFKILL_POLL_INTERVAL); } void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev) @@ -80,12 +102,6 @@ void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev) return; } - if (input_register_polled_device(rt2x00dev->poll_dev)) { - ERROR(rt2x00dev, "Failed to register polled device.\n"); - rfkill_unregister(rt2x00dev->rfkill); - return; - } - __set_bit(RFKILL_STATE_REGISTERED, &rt2x00dev->rfkill_state); /* @@ -93,7 +109,7 @@ void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev) * and correctly sends the signal to the rfkill layer about this * state. */ - rt2x00rfkill_poll(rt2x00dev->poll_dev); + rt2x00rfkill_poll(&rt2x00dev->rfkill_work.work); } void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev) @@ -102,38 +118,13 @@ void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev) !test_bit(RFKILL_STATE_REGISTERED, &rt2x00dev->rfkill_state)) return; - input_unregister_polled_device(rt2x00dev->poll_dev); + cancel_delayed_work_sync(&rt2x00dev->rfkill_work); + rfkill_unregister(rt2x00dev->rfkill); __clear_bit(RFKILL_STATE_REGISTERED, &rt2x00dev->rfkill_state); } -static struct input_polled_dev * -rt2x00rfkill_allocate_polldev(struct rt2x00_dev *rt2x00dev) -{ - struct input_polled_dev *poll_dev; - - poll_dev = input_allocate_polled_device(); - if (!poll_dev) - return NULL; - - poll_dev->private = rt2x00dev; - poll_dev->poll = rt2x00rfkill_poll; - poll_dev->poll_interval = RFKILL_POLL_INTERVAL; - - poll_dev->input->name = rt2x00dev->ops->name; - poll_dev->input->phys = wiphy_name(rt2x00dev->hw->wiphy); - poll_dev->input->id.bustype = BUS_HOST; - poll_dev->input->id.vendor = 0x1814; - poll_dev->input->id.product = rt2x00dev->chip.rt; - poll_dev->input->id.version = rt2x00dev->chip.rev; - poll_dev->input->dev.parent = wiphy_dev(rt2x00dev->hw->wiphy); - poll_dev->input->evbit[0] = BIT(EV_KEY); - set_bit(KEY_WLAN, poll_dev->input->keybit); - - return poll_dev; -} - void rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev) { if (!test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags)) @@ -150,14 +141,9 @@ void rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev) rt2x00dev->rfkill->data = rt2x00dev; rt2x00dev->rfkill->state = -1; rt2x00dev->rfkill->toggle_radio = rt2x00rfkill_toggle_radio; + rt2x00dev->rfkill->get_state = rt2x00rfkill_get_state; - rt2x00dev->poll_dev = rt2x00rfkill_allocate_polldev(rt2x00dev); - if (!rt2x00dev->poll_dev) { - ERROR(rt2x00dev, "Failed to allocate polled device.\n"); - rfkill_free(rt2x00dev->rfkill); - rt2x00dev->rfkill = NULL; - return; - } + INIT_DELAYED_WORK(&rt2x00dev->rfkill_work, rt2x00rfkill_poll); return; } @@ -168,32 +154,8 @@ void rt2x00rfkill_free(struct rt2x00_dev *rt2x00dev) !test_bit(RFKILL_STATE_ALLOCATED, &rt2x00dev->rfkill_state)) return; - input_free_polled_device(rt2x00dev->poll_dev); - rt2x00dev->poll_dev = NULL; + cancel_delayed_work_sync(&rt2x00dev->rfkill_work); rfkill_free(rt2x00dev->rfkill); rt2x00dev->rfkill = NULL; } - -void rt2x00rfkill_suspend(struct rt2x00_dev *rt2x00dev) -{ - if (!test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags) || - !test_bit(RFKILL_STATE_ALLOCATED, &rt2x00dev->rfkill_state)) - return; - - input_free_polled_device(rt2x00dev->poll_dev); - rt2x00dev->poll_dev = NULL; -} - -void rt2x00rfkill_resume(struct rt2x00_dev *rt2x00dev) -{ - if (!test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags) || - !test_bit(RFKILL_STATE_ALLOCATED, &rt2x00dev->rfkill_state)) - return; - - rt2x00dev->poll_dev = rt2x00rfkill_allocate_polldev(rt2x00dev); - if (!rt2x00dev->poll_dev) { - ERROR(rt2x00dev, "Failed to allocate polled device.\n"); - return; - } -} |