41 	struct mux_control *mux;  member
102 			   controllers * sizeof(*mux_chip->mux) +  in mux_chip_alloc()
107 	mux_chip->mux = (struct mux_control *)(mux_chip + 1);  in mux_chip_alloc()
126 		struct mux_control *mux = &mux_chip->mux[i];  in mux_chip_alloc()  local
128 		mux->chip = mux_chip;  in mux_chip_alloc()
129 		sema_init(&mux->lock, 1);  in mux_chip_alloc()
130 		mux->cached_state = MUX_CACHE_UNKNOWN;  in mux_chip_alloc()
131 		mux->idle_state = MUX_IDLE_AS_IS;  in mux_chip_alloc()
132 		mux->last_change = ktime_get();  in mux_chip_alloc()
141 static int mux_control_set(struct mux_control *mux, int state)  in mux_control_set()  argument
143 	int ret = mux->chip->ops->set(mux, state);  in mux_control_set()
145 	mux->cached_state = ret < 0 ? MUX_CACHE_UNKNOWN : state;  in mux_control_set()
147 		mux->last_change = ktime_get();  in mux_control_set()
169 		struct mux_control *mux = &mux_chip->mux[i];  in mux_chip_register()  local
171 		if (mux->idle_state == mux->cached_state)  in mux_chip_register()
174 		ret = mux_control_set(mux, mux->idle_state);  in mux_chip_register()
303 unsigned int mux_control_states(struct mux_control *mux)  in mux_control_states()  argument
305 	return mux->states;  in mux_control_states()
312 static int __mux_control_select(struct mux_control *mux, int state)  in __mux_control_select()  argument
316 	if (WARN_ON(state < 0 || state >= mux->states))  in __mux_control_select()
319 	if (mux->cached_state == state)  in __mux_control_select()
322 	ret = mux_control_set(mux, state);  in __mux_control_select()
327 	if (mux->idle_state != MUX_IDLE_AS_IS)  in __mux_control_select()
328 		mux_control_set(mux, mux->idle_state);  in __mux_control_select()
333 static void mux_control_delay(struct mux_control *mux, unsigned int delay_us)  in mux_control_delay()  argument
341 	delayend = ktime_add_us(mux->last_change, delay_us);  in mux_control_delay()
366 int mux_control_select_delay(struct mux_control *mux, unsigned int state,  in mux_control_select_delay()  argument
371 	ret = down_killable(&mux->lock);  in mux_control_select_delay()
375 	ret = __mux_control_select(mux, state);  in mux_control_select_delay()
377 		mux_control_delay(mux, delay_us);  in mux_control_select_delay()
380 		up(&mux->lock);  in mux_control_select_delay()
406 	return mux_control_select_delay(mstate->mux, mstate->state, delay_us);  in mux_state_select_delay()
426 int mux_control_try_select_delay(struct mux_control *mux, unsigned int state,  in mux_control_try_select_delay()  argument
431 	if (down_trylock(&mux->lock))  in mux_control_try_select_delay()
434 	ret = __mux_control_select(mux, state);  in mux_control_try_select_delay()
436 		mux_control_delay(mux, delay_us);  in mux_control_try_select_delay()
439 		up(&mux->lock);  in mux_control_try_select_delay()
462 	return mux_control_try_select_delay(mstate->mux, mstate->state, delay_us);  in mux_state_try_select_delay()
478 int mux_control_deselect(struct mux_control *mux)  in mux_control_deselect()  argument
482 	if (mux->idle_state != MUX_IDLE_AS_IS &&  in mux_control_deselect()
483 	    mux->idle_state != mux->cached_state)  in mux_control_deselect()
484 		ret = mux_control_set(mux, mux->idle_state);  in mux_control_deselect()
486 	up(&mux->lock);  in mux_control_deselect()
506 	return mux_control_deselect(mstate->mux);  in mux_state_deselect()
609 	return &mux_chip->mux[controller];  in mux_get()
631 void mux_control_put(struct mux_control *mux)  in mux_control_put()  argument
633 	put_device(&mux->chip->dev);  in mux_control_put()
639 	struct mux_control *mux = *(struct mux_control **)res;  in devm_mux_control_release()  local
641 	mux_control_put(mux);  in devm_mux_control_release()
655 	struct mux_control **ptr, *mux;  in devm_mux_control_get()  local
661 	mux = mux_control_get(dev, mux_name);  in devm_mux_control_get()
662 	if (IS_ERR(mux)) {  in devm_mux_control_get()
664 		return mux;  in devm_mux_control_get()
667 	*ptr = mux;  in devm_mux_control_get()
670 	return mux;  in devm_mux_control_get()
689 	mstate->mux = mux_get(dev, mux_name, &mstate->state);  in mux_state_get()
690 	if (IS_ERR(mstate->mux)) {  in mux_state_get()
691 		int err = PTR_ERR(mstate->mux);  in mux_state_get()
708 	mux_control_put(mstate->mux);  in mux_state_put()