diff options
Diffstat (limited to 'net/rfkill/rfkill-input.c')
-rw-r--r-- | net/rfkill/rfkill-input.c | 47 |
1 files changed, 32 insertions, 15 deletions
diff --git a/net/rfkill/rfkill-input.c b/net/rfkill/rfkill-input.c index d285f9a9d829..5d4c8b2446f7 100644 --- a/net/rfkill/rfkill-input.c +++ b/net/rfkill/rfkill-input.c | |||
@@ -43,11 +43,26 @@ static void rfkill_task_handler(struct work_struct *work) | |||
43 | mutex_unlock(&task->mutex); | 43 | mutex_unlock(&task->mutex); |
44 | } | 44 | } |
45 | 45 | ||
46 | static void rfkill_task_epo_handler(struct work_struct *work) | ||
47 | { | ||
48 | rfkill_epo(); | ||
49 | } | ||
50 | |||
51 | static DECLARE_WORK(epo_work, rfkill_task_epo_handler); | ||
52 | |||
53 | static void rfkill_schedule_epo(void) | ||
54 | { | ||
55 | schedule_work(&epo_work); | ||
56 | } | ||
57 | |||
46 | static void rfkill_schedule_set(struct rfkill_task *task, | 58 | static void rfkill_schedule_set(struct rfkill_task *task, |
47 | enum rfkill_state desired_state) | 59 | enum rfkill_state desired_state) |
48 | { | 60 | { |
49 | unsigned long flags; | 61 | unsigned long flags; |
50 | 62 | ||
63 | if (unlikely(work_pending(&epo_work))) | ||
64 | return; | ||
65 | |||
51 | spin_lock_irqsave(&task->lock, flags); | 66 | spin_lock_irqsave(&task->lock, flags); |
52 | 67 | ||
53 | if (time_after(jiffies, task->last + msecs_to_jiffies(200))) { | 68 | if (time_after(jiffies, task->last + msecs_to_jiffies(200))) { |
@@ -63,6 +78,9 @@ static void rfkill_schedule_toggle(struct rfkill_task *task) | |||
63 | { | 78 | { |
64 | unsigned long flags; | 79 | unsigned long flags; |
65 | 80 | ||
81 | if (unlikely(work_pending(&epo_work))) | ||
82 | return; | ||
83 | |||
66 | spin_lock_irqsave(&task->lock, flags); | 84 | spin_lock_irqsave(&task->lock, flags); |
67 | 85 | ||
68 | if (time_after(jiffies, task->last + msecs_to_jiffies(200))) { | 86 | if (time_after(jiffies, task->last + msecs_to_jiffies(200))) { |
@@ -114,21 +132,20 @@ static void rfkill_event(struct input_handle *handle, unsigned int type, | |||
114 | switch (code) { | 132 | switch (code) { |
115 | case SW_RFKILL_ALL: | 133 | case SW_RFKILL_ALL: |
116 | /* EVERY radio type. data != 0 means radios ON */ | 134 | /* EVERY radio type. data != 0 means radios ON */ |
117 | rfkill_schedule_set(&rfkill_wwan, | 135 | /* handle EPO (emergency power off) through shortcut */ |
118 | (data)? RFKILL_STATE_ON: | 136 | if (data) { |
119 | RFKILL_STATE_OFF); | 137 | rfkill_schedule_set(&rfkill_wwan, |
120 | rfkill_schedule_set(&rfkill_wimax, | 138 | RFKILL_STATE_ON); |
121 | (data)? RFKILL_STATE_ON: | 139 | rfkill_schedule_set(&rfkill_wimax, |
122 | RFKILL_STATE_OFF); | 140 | RFKILL_STATE_ON); |
123 | rfkill_schedule_set(&rfkill_uwb, | 141 | rfkill_schedule_set(&rfkill_uwb, |
124 | (data)? RFKILL_STATE_ON: | 142 | RFKILL_STATE_ON); |
125 | RFKILL_STATE_OFF); | 143 | rfkill_schedule_set(&rfkill_bt, |
126 | rfkill_schedule_set(&rfkill_bt, | 144 | RFKILL_STATE_ON); |
127 | (data)? RFKILL_STATE_ON: | 145 | rfkill_schedule_set(&rfkill_wlan, |
128 | RFKILL_STATE_OFF); | 146 | RFKILL_STATE_ON); |
129 | rfkill_schedule_set(&rfkill_wlan, | 147 | } else |
130 | (data)? RFKILL_STATE_ON: | 148 | rfkill_schedule_epo(); |
131 | RFKILL_STATE_OFF); | ||
132 | break; | 149 | break; |
133 | default: | 150 | default: |
134 | break; | 151 | break; |