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Subject[PATCH 06/15] rfkill: handle SW_RFKILL_ALL events
Date
Teach rfkill-input how to handle SW_RFKILL_ALL events (new name for the
SW_RADIO event).

SW_RFKILL_ALL is an absolute enable-or-disable command that is tied to all
radios in a system.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Ivo van Doorn <IvDoorn@gmail.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
---
net/rfkill/rfkill-input.c | 45 +++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 43 insertions(+), 2 deletions(-)
diff --git a/net/rfkill/rfkill-input.c b/net/rfkill/rfkill-input.c
index e4b051d..9d6c925 100644
--- a/net/rfkill/rfkill-input.c
+++ b/net/rfkill/rfkill-input.c
@@ -55,6 +55,22 @@ static void rfkill_task_handler(struct work_struct *work)
mutex_unlock(&task->mutex);
}

+static void rfkill_schedule_set(struct rfkill_task *task,
+ enum rfkill_state desired_state)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&task->lock, flags);
+
+ if (time_after(jiffies, task->last + msecs_to_jiffies(200))) {
+ task->desired_state = desired_state;
+ task->last = jiffies;
+ schedule_work(&task->work);
+ }
+
+ spin_unlock_irqrestore(&task->lock, flags);
+}
+
static void rfkill_schedule_toggle(struct rfkill_task *task)
{
unsigned long flags;
@@ -87,9 +103,9 @@ static DEFINE_RFKILL_TASK(rfkill_uwb, RFKILL_TYPE_UWB);
static DEFINE_RFKILL_TASK(rfkill_wimax, RFKILL_TYPE_WIMAX);

static void rfkill_event(struct input_handle *handle, unsigned int type,
- unsigned int code, int down)
+ unsigned int code, int data)
{
- if (type == EV_KEY && down == 1) {
+ if (type == EV_KEY && data == 1) {
switch (code) {
case KEY_WLAN:
rfkill_schedule_toggle(&rfkill_wlan);
@@ -106,6 +122,26 @@ static void rfkill_event(struct input_handle *handle, unsigned int type,
default:
break;
}
+ } else if (type == EV_SW) {
+ switch (code) {
+ case SW_RFKILL_ALL:
+ /* EVERY radio type. data != 0 means radios ON */
+ rfkill_schedule_set(&rfkill_wimax,
+ (data)? RFKILL_STATE_ON:
+ RFKILL_STATE_OFF);
+ rfkill_schedule_set(&rfkill_uwb,
+ (data)? RFKILL_STATE_ON:
+ RFKILL_STATE_OFF);
+ rfkill_schedule_set(&rfkill_bt,
+ (data)? RFKILL_STATE_ON:
+ RFKILL_STATE_OFF);
+ rfkill_schedule_set(&rfkill_wlan,
+ (data)? RFKILL_STATE_ON:
+ RFKILL_STATE_OFF);
+ break;
+ default:
+ break;
+ }
}
}

@@ -168,6 +204,11 @@ static const struct input_device_id rfkill_ids[] = {
.evbit = { BIT_MASK(EV_KEY) },
.keybit = { [BIT_WORD(KEY_WIMAX)] = BIT_MASK(KEY_WIMAX) },
},
+ {
+ .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_SWBIT,
+ .evbit = { BIT(EV_SW) },
+ .swbit = { [BIT_WORD(SW_RFKILL_ALL)] = BIT_MASK(SW_RFKILL_ALL) },
+ },
{ }
};

--
1.5.5.1


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