41 	struct mux_control *mux;  member
101 	mux_chip = kzalloc(size_add(struct_size(mux_chip, mux, controllers),  in mux_chip_alloc()
125 		struct mux_control *mux = &mux_chip->mux[i];  in mux_chip_alloc()  local
127 		mux->chip = mux_chip;  in mux_chip_alloc()
128 		sema_init(&mux->lock, 1);  in mux_chip_alloc()
129 		mux->cached_state = MUX_CACHE_UNKNOWN;  in mux_chip_alloc()
130 		mux->idle_state = MUX_IDLE_AS_IS;  in mux_chip_alloc()
131 		mux->last_change = ktime_get();  in mux_chip_alloc()
140 static int mux_control_set(struct mux_control *mux, int state)  in mux_control_set()  argument
142 	int ret = mux->chip->ops->set(mux, state);  in mux_control_set()
144 	mux->cached_state = ret < 0 ? MUX_CACHE_UNKNOWN : state;  in mux_control_set()
146 		mux->last_change = ktime_get();  in mux_control_set()
168 		struct mux_control *mux = &mux_chip->mux[i];  in mux_chip_register()  local
170 		if (mux->idle_state == mux->cached_state)  in mux_chip_register()
173 		ret = mux_control_set(mux, mux->idle_state);  in mux_chip_register()
302 unsigned int mux_control_states(struct mux_control *mux)  in mux_control_states()  argument
304 	return mux->states;  in mux_control_states()
311 static int __mux_control_select(struct mux_control *mux, int state)  in __mux_control_select()  argument
315 	if (WARN_ON(state < 0 || state >= mux->states))  in __mux_control_select()
318 	if (mux->cached_state == state)  in __mux_control_select()
321 	ret = mux_control_set(mux, state);  in __mux_control_select()
326 	if (mux->idle_state != MUX_IDLE_AS_IS)  in __mux_control_select()
327 		mux_control_set(mux, mux->idle_state);  in __mux_control_select()
332 static void mux_control_delay(struct mux_control *mux, unsigned int delay_us)  in mux_control_delay()  argument
340 	delayend = ktime_add_us(mux->last_change, delay_us);  in mux_control_delay()
365 int mux_control_select_delay(struct mux_control *mux, unsigned int state,  in mux_control_select_delay()  argument
370 	ret = down_killable(&mux->lock);  in mux_control_select_delay()
374 	ret = __mux_control_select(mux, state);  in mux_control_select_delay()
376 		mux_control_delay(mux, delay_us);  in mux_control_select_delay()
379 		up(&mux->lock);  in mux_control_select_delay()
405 	return mux_control_select_delay(mstate->mux, mstate->state, delay_us);  in mux_state_select_delay()
425 int mux_control_try_select_delay(struct mux_control *mux, unsigned int state,  in mux_control_try_select_delay()  argument
430 	if (down_trylock(&mux->lock))  in mux_control_try_select_delay()
433 	ret = __mux_control_select(mux, state);  in mux_control_try_select_delay()
435 		mux_control_delay(mux, delay_us);  in mux_control_try_select_delay()
438 		up(&mux->lock);  in mux_control_try_select_delay()
461 	return mux_control_try_select_delay(mstate->mux, mstate->state, delay_us);  in mux_state_try_select_delay()
477 int mux_control_deselect(struct mux_control *mux)  in mux_control_deselect()  argument
481 	if (mux->idle_state != MUX_IDLE_AS_IS &&  in mux_control_deselect()
482 	    mux->idle_state != mux->cached_state)  in mux_control_deselect()
483 		ret = mux_control_set(mux, mux->idle_state);  in mux_control_deselect()
485 	up(&mux->lock);  in mux_control_deselect()
505 	return mux_control_deselect(mstate->mux);  in mux_state_deselect()
608 	return &mux_chip->mux[controller];  in mux_get()
630 void mux_control_put(struct mux_control *mux)  in mux_control_put()  argument
632 	put_device(&mux->chip->dev);  in mux_control_put()
638 	struct mux_control *mux = *(struct mux_control **)res;  in devm_mux_control_release()  local
640 	mux_control_put(mux);  in devm_mux_control_release()
654 	struct mux_control **ptr, *mux;  in devm_mux_control_get()  local
660 	mux = mux_control_get(dev, mux_name);  in devm_mux_control_get()
661 	if (IS_ERR(mux)) {  in devm_mux_control_get()
663 		return mux;  in devm_mux_control_get()
666 	*ptr = mux;  in devm_mux_control_get()
669 	return mux;  in devm_mux_control_get()
688 	mstate->mux = mux_get(dev, mux_name, &mstate->state);  in mux_state_get()
689 	if (IS_ERR(mstate->mux)) {  in mux_state_get()
690 		int err = PTR_ERR(mstate->mux);  in mux_state_get()
707 	mux_control_put(mstate->mux);  in mux_state_put()