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Diffstat (limited to 'net/rfkill/rfkill.c')
-rw-r--r--net/rfkill/rfkill.c35
1 files changed, 18 insertions, 17 deletions
diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c
index 79f3bbb..fb56690 100644
--- a/net/rfkill/rfkill.c
+++ b/net/rfkill/rfkill.c
@@ -75,24 +75,25 @@ static void update_rfkill_state(struct rfkill *rfkill)
}
static int rfkill_toggle_radio(struct rfkill *rfkill,
- enum rfkill_state state)
+ enum rfkill_state state,
+ int force)
{
int retval = 0;
enum rfkill_state oldstate, newstate;
oldstate = rfkill->state;
- if (rfkill->get_state &&
+ if (rfkill->get_state && !force &&
!rfkill->get_state(rfkill->data, &newstate))
rfkill->state = newstate;
- if (state != rfkill->state) {
+ if (force || state != rfkill->state) {
retval = rfkill->toggle_radio(rfkill->data, state);
if (!retval)
rfkill->state = state;
}
- if (rfkill->state != oldstate)
+ if (force || rfkill->state != oldstate)
rfkill_led_trigger(rfkill, rfkill->state);
return retval;
@@ -107,7 +108,6 @@ static int rfkill_toggle_radio(struct rfkill *rfkill,
* a specific switch is claimed by userspace in which case it is
* left alone.
*/
-
void rfkill_switch_all(enum rfkill_type type, enum rfkill_state state)
{
struct rfkill *rfkill;
@@ -118,7 +118,7 @@ void rfkill_switch_all(enum rfkill_type type, enum rfkill_state state)
list_for_each_entry(rfkill, &rfkill_list, node) {
if ((!rfkill->user_claim) && (rfkill->type == type))
- rfkill_toggle_radio(rfkill, state);
+ rfkill_toggle_radio(rfkill, state, 0);
}
mutex_unlock(&rfkill_mutex);
@@ -214,7 +214,8 @@ static ssize_t rfkill_state_store(struct device *dev,
if (mutex_lock_interruptible(&rfkill->mutex))
return -ERESTARTSYS;
error = rfkill_toggle_radio(rfkill,
- state ? RFKILL_STATE_ON : RFKILL_STATE_OFF);
+ state ? RFKILL_STATE_ON : RFKILL_STATE_OFF,
+ 0);
mutex_unlock(&rfkill->mutex);
return error ? error : count;
@@ -255,7 +256,8 @@ static ssize_t rfkill_claim_store(struct device *dev,
if (rfkill->user_claim != claim) {
if (!claim)
rfkill_toggle_radio(rfkill,
- rfkill_states[rfkill->type]);
+ rfkill_states[rfkill->type],
+ 0);
rfkill->user_claim = claim;
}
@@ -288,12 +290,11 @@ static int rfkill_suspend(struct device *dev, pm_message_t state)
if (dev->power.power_state.event != state.event) {
if (state.event & PM_EVENT_SLEEP) {
- mutex_lock(&rfkill->mutex);
-
- if (rfkill->state == RFKILL_STATE_ON)
- rfkill->toggle_radio(rfkill->data,
- RFKILL_STATE_OFF);
+ /* Stop transmitter, keep state, no notifies */
+ update_rfkill_state(rfkill);
+ mutex_lock(&rfkill->mutex);
+ rfkill->toggle_radio(rfkill->data, RFKILL_STATE_OFF);
mutex_unlock(&rfkill->mutex);
}
@@ -310,8 +311,8 @@ static int rfkill_resume(struct device *dev)
if (dev->power.power_state.event != PM_EVENT_ON) {
mutex_lock(&rfkill->mutex);
- if (rfkill->state == RFKILL_STATE_ON)
- rfkill->toggle_radio(rfkill->data, RFKILL_STATE_ON);
+ /* restore radio state AND notify everybody */
+ rfkill_toggle_radio(rfkill, rfkill->state, 1);
mutex_unlock(&rfkill->mutex);
}
@@ -338,7 +339,7 @@ static int rfkill_add_switch(struct rfkill *rfkill)
mutex_lock(&rfkill_mutex);
- error = rfkill_toggle_radio(rfkill, rfkill_states[rfkill->type]);
+ error = rfkill_toggle_radio(rfkill, rfkill_states[rfkill->type], 0);
if (!error)
list_add_tail(&rfkill->node, &rfkill_list);
@@ -351,7 +352,7 @@ static void rfkill_remove_switch(struct rfkill *rfkill)
{
mutex_lock(&rfkill_mutex);
list_del_init(&rfkill->node);
- rfkill_toggle_radio(rfkill, RFKILL_STATE_OFF);
+ rfkill_toggle_radio(rfkill, RFKILL_STATE_OFF, 1);
mutex_unlock(&rfkill_mutex);
}
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