X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=net%2Frfkill%2Frfkill-input.c;h=d285f9a9d8299b82342b34a21c558cc3c9b508d0;hb=fbc6af2f3c46df4722f5161d0ad20dd87cd7dfa9;hp=e4b051dbed612bc45726328f73a18c65ad81f87b;hpb=70ec75c5b8e0bda7a16fb387f91e08545f379a0e;p=linux-2.6

diff --git a/net/rfkill/rfkill-input.c b/net/rfkill/rfkill-input.c
index e4b051dbed..d285f9a9d8 100644
--- a/net/rfkill/rfkill-input.c
+++ b/net/rfkill/rfkill-input.c
@@ -30,29 +30,33 @@ struct rfkill_task {
 	spinlock_t lock; /* for accessing last and desired state */
 	unsigned long last; /* last schedule */
 	enum rfkill_state desired_state; /* on/off */
-	enum rfkill_state current_state; /* on/off */
 };
 
 static void rfkill_task_handler(struct work_struct *work)
 {
 	struct rfkill_task *task = container_of(work, struct rfkill_task, work);
-	enum rfkill_state state;
 
 	mutex_lock(&task->mutex);
 
-	/*
-	 * Use temp variable to fetch desired state to keep it
-	 * consistent even if rfkill_schedule_toggle() runs in
-	 * another thread or interrupts us.
-	 */
-	state = task->desired_state;
+	rfkill_switch_all(task->type, task->desired_state);
 
-	if (state != task->current_state) {
-		rfkill_switch_all(task->type, state);
-		task->current_state = state;
+	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);
 	}
 
-	mutex_unlock(&task->mutex);
+	spin_unlock_irqrestore(&task->lock, flags);
 }
 
 static void rfkill_schedule_toggle(struct rfkill_task *task)
@@ -78,18 +82,18 @@ static void rfkill_schedule_toggle(struct rfkill_task *task)
 		.mutex = __MUTEX_INITIALIZER(n.mutex),	\
 		.lock = __SPIN_LOCK_UNLOCKED(n.lock),	\
 		.desired_state = RFKILL_STATE_ON,	\
-		.current_state = RFKILL_STATE_ON,	\
 	}
 
 static DEFINE_RFKILL_TASK(rfkill_wlan, RFKILL_TYPE_WLAN);
 static DEFINE_RFKILL_TASK(rfkill_bt, RFKILL_TYPE_BLUETOOTH);
 static DEFINE_RFKILL_TASK(rfkill_uwb, RFKILL_TYPE_UWB);
 static DEFINE_RFKILL_TASK(rfkill_wimax, RFKILL_TYPE_WIMAX);
+static DEFINE_RFKILL_TASK(rfkill_wwan, RFKILL_TYPE_WWAN);
 
 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 +110,29 @@ 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_wwan,
+					    (data)? RFKILL_STATE_ON:
+						    RFKILL_STATE_OFF);
+			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 +195,11 @@ 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) },
+	},
 	{ }
 };