42 	struct mux_control *mux;  member
104 			   controllers * sizeof(*mux_chip->mux) +  in mux_chip_alloc()
109 	mux_chip->mux = (struct mux_control *)(mux_chip + 1);  in mux_chip_alloc()
128 		struct mux_control *mux = &mux_chip->mux[i];  in mux_chip_alloc()  local
130 		mux->chip = mux_chip;  in mux_chip_alloc()
131 		sema_init(&mux->lock, 1);  in mux_chip_alloc()
132 		mux->cached_state = MUX_CACHE_UNKNOWN;  in mux_chip_alloc()
133 		mux->idle_state = MUX_IDLE_AS_IS;  in mux_chip_alloc()
134 		mux->last_change = ktime_get();  in mux_chip_alloc()
143 static int mux_control_set(struct mux_control *mux, int state)  in mux_control_set()  argument
145 	int ret = mux->chip->ops->set(mux, state);  in mux_control_set()
147 	mux->cached_state = ret < 0 ? MUX_CACHE_UNKNOWN : state;  in mux_control_set()
149 		mux->last_change = ktime_get();  in mux_control_set()
171 		struct mux_control *mux = &mux_chip->mux[i];  in mux_chip_register()  local
173 		if (mux->idle_state == mux->cached_state)  in mux_chip_register()
176 		ret = mux_control_set(mux, mux->idle_state);  in mux_chip_register()
305 unsigned int mux_control_states(struct mux_control *mux)  in mux_control_states()  argument
307 	return mux->states;  in mux_control_states()
314 static int __mux_control_select(struct mux_control *mux, int state)  in __mux_control_select()  argument
318 	if (WARN_ON(state < 0 || state >= mux->states))  in __mux_control_select()
321 	if (mux->cached_state == state)  in __mux_control_select()
324 	ret = mux_control_set(mux, state);  in __mux_control_select()
329 	if (mux->idle_state != MUX_IDLE_AS_IS)  in __mux_control_select()
330 		mux_control_set(mux, mux->idle_state);  in __mux_control_select()
335 static void mux_control_delay(struct mux_control *mux, unsigned int delay_us)  in mux_control_delay()  argument
343 	delayend = ktime_add_us(mux->last_change, delay_us);  in mux_control_delay()
368 int mux_control_select_delay(struct mux_control *mux, unsigned int state,  in mux_control_select_delay()  argument
373 	ret = down_killable(&mux->lock);  in mux_control_select_delay()
377 	ret = __mux_control_select(mux, state);  in mux_control_select_delay()
379 		mux_control_delay(mux, delay_us);  in mux_control_select_delay()
382 		up(&mux->lock);  in mux_control_select_delay()
408 	return mux_control_select_delay(mstate->mux, mstate->state, delay_us);  in mux_state_select_delay()
428 int mux_control_try_select_delay(struct mux_control *mux, unsigned int state,  in mux_control_try_select_delay()  argument
433 	if (down_trylock(&mux->lock))  in mux_control_try_select_delay()
436 	ret = __mux_control_select(mux, state);  in mux_control_try_select_delay()
438 		mux_control_delay(mux, delay_us);  in mux_control_try_select_delay()
441 		up(&mux->lock);  in mux_control_try_select_delay()
464 	return mux_control_try_select_delay(mstate->mux, mstate->state, delay_us);  in mux_state_try_select_delay()
480 int mux_control_deselect(struct mux_control *mux)  in mux_control_deselect()  argument
484 	if (mux->idle_state != MUX_IDLE_AS_IS &&  in mux_control_deselect()
485 	    mux->idle_state != mux->cached_state)  in mux_control_deselect()
486 		ret = mux_control_set(mux, mux->idle_state);  in mux_control_deselect()
488 	up(&mux->lock);  in mux_control_deselect()
508 	return mux_control_deselect(mstate->mux);  in mux_state_deselect()
611 	return &mux_chip->mux[controller];  in mux_get()
633 void mux_control_put(struct mux_control *mux)  in mux_control_put()  argument
635 	put_device(&mux->chip->dev);  in mux_control_put()
641 	struct mux_control *mux = *(struct mux_control **)res;  in devm_mux_control_release()  local
643 	mux_control_put(mux);  in devm_mux_control_release()
657 	struct mux_control **ptr, *mux;  in devm_mux_control_get()  local
663 	mux = mux_control_get(dev, mux_name);  in devm_mux_control_get()
664 	if (IS_ERR(mux)) {  in devm_mux_control_get()
666 		return mux;  in devm_mux_control_get()
669 	*ptr = mux;  in devm_mux_control_get()
672 	return mux;  in devm_mux_control_get()
691 	mstate->mux = mux_get(dev, mux_name, &mstate->state);  in mux_state_get()
692 	if (IS_ERR(mstate->mux)) {  in mux_state_get()
693 		int err = PTR_ERR(mstate->mux);  in mux_state_get()
710 	mux_control_put(mstate->mux);  in mux_state_put()