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-rw-r--r--include/linux/rfkill.h12
-rw-r--r--net/rfkill/core.c13
2 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h
index 7c116f6..ee3edde 100644
--- a/include/linux/rfkill.h
+++ b/include/linux/rfkill.h
@@ -261,6 +261,13 @@ void rfkill_set_states(struct rfkill *rfkill, bool sw, bool hw);
* registered drivers?
*/
void rfkill_set_global_sw_state(const enum rfkill_type type, bool blocked);
+
+/**
+ * rfkill_blocked - query rfkill block
+ *
+ * @rfkill: rfkill struct to query
+ */
+bool rfkill_blocked(struct rfkill *rfkill);
#else /* !RFKILL */
static inline struct rfkill * __must_check
rfkill_alloc(const char *name,
@@ -313,6 +320,11 @@ static inline void rfkill_set_global_sw_state(const enum rfkill_type type,
bool blocked)
{
}
+
+static inline bool rfkill_blocked(struct rfkill *rfkill)
+{
+ return false;
+}
#endif /* RFKILL || RFKILL_MODULE */
diff --git a/net/rfkill/core.c b/net/rfkill/core.c
index 2230aa6..91e9168 100644
--- a/net/rfkill/core.c
+++ b/net/rfkill/core.c
@@ -773,6 +773,19 @@ static struct class rfkill_class = {
.resume = rfkill_resume,
};
+bool rfkill_blocked(struct rfkill *rfkill)
+{
+ unsigned long flags;
+ u32 state;
+
+ spin_lock_irqsave(&rfkill->lock, flags);
+ state = rfkill->state;
+ spin_unlock_irqrestore(&rfkill->lock, flags);
+
+ return !!(state & RFKILL_BLOCK_ANY);
+}
+EXPORT_SYMBOL(rfkill_blocked);
+
struct rfkill * __must_check rfkill_alloc(const char *name,
struct device *parent,
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