diff options
Diffstat (limited to 'net/rfkill/rfkill.c')
-rw-r--r-- | net/rfkill/rfkill.c | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c index 79f3bbb027ff..fb566902030a 100644 --- a/net/rfkill/rfkill.c +++ b/net/rfkill/rfkill.c | |||
@@ -75,24 +75,25 @@ static void update_rfkill_state(struct rfkill *rfkill) | |||
75 | } | 75 | } |
76 | 76 | ||
77 | static int rfkill_toggle_radio(struct rfkill *rfkill, | 77 | static int rfkill_toggle_radio(struct rfkill *rfkill, |
78 | enum rfkill_state state) | 78 | enum rfkill_state state, |
79 | int force) | ||
79 | { | 80 | { |
80 | int retval = 0; | 81 | int retval = 0; |
81 | enum rfkill_state oldstate, newstate; | 82 | enum rfkill_state oldstate, newstate; |
82 | 83 | ||
83 | oldstate = rfkill->state; | 84 | oldstate = rfkill->state; |
84 | 85 | ||
85 | if (rfkill->get_state && | 86 | if (rfkill->get_state && !force && |
86 | !rfkill->get_state(rfkill->data, &newstate)) | 87 | !rfkill->get_state(rfkill->data, &newstate)) |
87 | rfkill->state = newstate; | 88 | rfkill->state = newstate; |
88 | 89 | ||
89 | if (state != rfkill->state) { | 90 | if (force || state != rfkill->state) { |
90 | retval = rfkill->toggle_radio(rfkill->data, state); | 91 | retval = rfkill->toggle_radio(rfkill->data, state); |
91 | if (!retval) | 92 | if (!retval) |
92 | rfkill->state = state; | 93 | rfkill->state = state; |
93 | } | 94 | } |
94 | 95 | ||
95 | if (rfkill->state != oldstate) | 96 | if (force || rfkill->state != oldstate) |
96 | rfkill_led_trigger(rfkill, rfkill->state); | 97 | rfkill_led_trigger(rfkill, rfkill->state); |
97 | 98 | ||
98 | return retval; | 99 | return retval; |
@@ -107,7 +108,6 @@ static int rfkill_toggle_radio(struct rfkill *rfkill, | |||
107 | * a specific switch is claimed by userspace in which case it is | 108 | * a specific switch is claimed by userspace in which case it is |
108 | * left alone. | 109 | * left alone. |
109 | */ | 110 | */ |
110 | |||
111 | void rfkill_switch_all(enum rfkill_type type, enum rfkill_state state) | 111 | void rfkill_switch_all(enum rfkill_type type, enum rfkill_state state) |
112 | { | 112 | { |
113 | struct rfkill *rfkill; | 113 | struct rfkill *rfkill; |
@@ -118,7 +118,7 @@ void rfkill_switch_all(enum rfkill_type type, enum rfkill_state state) | |||
118 | 118 | ||
119 | list_for_each_entry(rfkill, &rfkill_list, node) { | 119 | list_for_each_entry(rfkill, &rfkill_list, node) { |
120 | if ((!rfkill->user_claim) && (rfkill->type == type)) | 120 | if ((!rfkill->user_claim) && (rfkill->type == type)) |
121 | rfkill_toggle_radio(rfkill, state); | 121 | rfkill_toggle_radio(rfkill, state, 0); |
122 | } | 122 | } |
123 | 123 | ||
124 | mutex_unlock(&rfkill_mutex); | 124 | mutex_unlock(&rfkill_mutex); |
@@ -214,7 +214,8 @@ static ssize_t rfkill_state_store(struct device *dev, | |||
214 | if (mutex_lock_interruptible(&rfkill->mutex)) | 214 | if (mutex_lock_interruptible(&rfkill->mutex)) |
215 | return -ERESTARTSYS; | 215 | return -ERESTARTSYS; |
216 | error = rfkill_toggle_radio(rfkill, | 216 | error = rfkill_toggle_radio(rfkill, |
217 | state ? RFKILL_STATE_ON : RFKILL_STATE_OFF); | 217 | state ? RFKILL_STATE_ON : RFKILL_STATE_OFF, |
218 | 0); | ||
218 | mutex_unlock(&rfkill->mutex); | 219 | mutex_unlock(&rfkill->mutex); |
219 | 220 | ||
220 | return error ? error : count; | 221 | return error ? error : count; |
@@ -255,7 +256,8 @@ static ssize_t rfkill_claim_store(struct device *dev, | |||
255 | if (rfkill->user_claim != claim) { | 256 | if (rfkill->user_claim != claim) { |
256 | if (!claim) | 257 | if (!claim) |
257 | rfkill_toggle_radio(rfkill, | 258 | rfkill_toggle_radio(rfkill, |
258 | rfkill_states[rfkill->type]); | 259 | rfkill_states[rfkill->type], |
260 | 0); | ||
259 | rfkill->user_claim = claim; | 261 | rfkill->user_claim = claim; |
260 | } | 262 | } |
261 | 263 | ||
@@ -288,12 +290,11 @@ static int rfkill_suspend(struct device *dev, pm_message_t state) | |||
288 | 290 | ||
289 | if (dev->power.power_state.event != state.event) { | 291 | if (dev->power.power_state.event != state.event) { |
290 | if (state.event & PM_EVENT_SLEEP) { | 292 | if (state.event & PM_EVENT_SLEEP) { |
291 | mutex_lock(&rfkill->mutex); | 293 | /* Stop transmitter, keep state, no notifies */ |
292 | 294 | update_rfkill_state(rfkill); | |
293 | if (rfkill->state == RFKILL_STATE_ON) | ||
294 | rfkill->toggle_radio(rfkill->data, | ||
295 | RFKILL_STATE_OFF); | ||
296 | 295 | ||
296 | mutex_lock(&rfkill->mutex); | ||
297 | rfkill->toggle_radio(rfkill->data, RFKILL_STATE_OFF); | ||
297 | mutex_unlock(&rfkill->mutex); | 298 | mutex_unlock(&rfkill->mutex); |
298 | } | 299 | } |
299 | 300 | ||
@@ -310,8 +311,8 @@ static int rfkill_resume(struct device *dev) | |||
310 | if (dev->power.power_state.event != PM_EVENT_ON) { | 311 | if (dev->power.power_state.event != PM_EVENT_ON) { |
311 | mutex_lock(&rfkill->mutex); | 312 | mutex_lock(&rfkill->mutex); |
312 | 313 | ||
313 | if (rfkill->state == RFKILL_STATE_ON) | 314 | /* restore radio state AND notify everybody */ |
314 | rfkill->toggle_radio(rfkill->data, RFKILL_STATE_ON); | 315 | rfkill_toggle_radio(rfkill, rfkill->state, 1); |
315 | 316 | ||
316 | mutex_unlock(&rfkill->mutex); | 317 | mutex_unlock(&rfkill->mutex); |
317 | } | 318 | } |
@@ -338,7 +339,7 @@ static int rfkill_add_switch(struct rfkill *rfkill) | |||
338 | 339 | ||
339 | mutex_lock(&rfkill_mutex); | 340 | mutex_lock(&rfkill_mutex); |
340 | 341 | ||
341 | error = rfkill_toggle_radio(rfkill, rfkill_states[rfkill->type]); | 342 | error = rfkill_toggle_radio(rfkill, rfkill_states[rfkill->type], 0); |
342 | if (!error) | 343 | if (!error) |
343 | list_add_tail(&rfkill->node, &rfkill_list); | 344 | list_add_tail(&rfkill->node, &rfkill_list); |
344 | 345 | ||
@@ -351,7 +352,7 @@ static void rfkill_remove_switch(struct rfkill *rfkill) | |||
351 | { | 352 | { |
352 | mutex_lock(&rfkill_mutex); | 353 | mutex_lock(&rfkill_mutex); |
353 | list_del_init(&rfkill->node); | 354 | list_del_init(&rfkill->node); |
354 | rfkill_toggle_radio(rfkill, RFKILL_STATE_OFF); | 355 | rfkill_toggle_radio(rfkill, RFKILL_STATE_OFF, 1); |
355 | mutex_unlock(&rfkill_mutex); | 356 | mutex_unlock(&rfkill_mutex); |
356 | } | 357 | } |
357 | 358 | ||