60 	struct iio_backend *back;  member
70 #define iio_backend_check_op(back, op) ({ \  argument
71 	struct iio_backend *____back = back;				\
80 #define iio_backend_op_call(back, op, args...) ({		\  argument
81 	struct iio_backend *__back = back;			\
91 #define iio_backend_ptr_op_call(back, op, args...) ({		\  argument
92 	struct iio_backend *__back = back;			\
105 #define iio_backend_void_op_call(back, op, args...) {		\  argument
106 	struct iio_backend *__back = back;			\
116  * @back:	Backend device
122 int iio_backend_chan_enable(struct iio_backend *back, unsigned int chan)  in iio_backend_chan_enable()  argument
124 	return iio_backend_op_call(back, chan_enable, chan);  in iio_backend_chan_enable()
130  * @back:	Backend device
136 int iio_backend_chan_disable(struct iio_backend *back, unsigned int chan)  in iio_backend_chan_disable()  argument
138 	return iio_backend_op_call(back, chan_disable, chan);  in iio_backend_chan_disable()
142 static void __iio_backend_disable(void *back)  in __iio_backend_disable()  argument
144 	iio_backend_void_op_call(back, disable);  in __iio_backend_disable()
150  * @back:	Backend device
155 int devm_iio_backend_enable(struct device *dev, struct iio_backend *back)  in devm_iio_backend_enable()  argument
159 	ret = iio_backend_op_call(back, enable);  in devm_iio_backend_enable()
163 	return devm_add_action_or_reset(dev, __iio_backend_disable, back);  in devm_iio_backend_enable()
169  * @back:	Backend device
179 int iio_backend_data_format_set(struct iio_backend *back, unsigned int chan,  in iio_backend_data_format_set()  argument
185 	return iio_backend_op_call(back, data_format_set, chan, data);  in iio_backend_data_format_set()
193 	iio_backend_void_op_call(pair->back, free_buffer, pair->buffer);  in iio_backend_free_buffer()
199  * @back:	Backend device
212 				    struct iio_backend *back,  in devm_iio_backend_request_buffer()  argument
222 	buffer = iio_backend_ptr_op_call(back, request_buffer, indio_dev);  in devm_iio_backend_request_buffer()
227 	pair->back = back;  in devm_iio_backend_request_buffer()
236 	struct iio_backend *back = arg;  in iio_backend_release()  local
238 	module_put(back->owner);  in iio_backend_release()
241 static int __devm_iio_backend_get(struct device *dev, struct iio_backend *back)  in __devm_iio_backend_get()  argument
252 	if (!try_module_get(back->owner))  in __devm_iio_backend_get()
256 	ret = devm_add_action_or_reset(dev, iio_backend_release, back);  in __devm_iio_backend_get()
260 	link = device_link_add(dev, back->dev, DL_FLAG_AUTOREMOVE_CONSUMER);  in __devm_iio_backend_get()
264 				     dev_name(back->dev));  in __devm_iio_backend_get()
266 	dev_dbg(dev, "Found backend(%s) device\n", dev_name(back->dev));  in __devm_iio_backend_get()
284 	struct iio_backend *back;  in devm_iio_backend_get()  local
306 	list_for_each_entry(back, &iio_back_list, entry) {  in devm_iio_backend_get()
307 		if (!device_match_fwnode(back->dev, fwnode))  in devm_iio_backend_get()
311 		ret = __devm_iio_backend_get(dev, back);  in devm_iio_backend_get()
315 		return back;  in devm_iio_backend_get()
339 	struct iio_backend *back;  in __devm_iio_backend_get_from_fwnode_lookup()  local
343 	list_for_each_entry(back, &iio_back_list, entry) {  in __devm_iio_backend_get_from_fwnode_lookup()
344 		if (!device_match_fwnode(back->dev, fwnode))  in __devm_iio_backend_get_from_fwnode_lookup()
347 		ret = __devm_iio_backend_get(dev, back);  in __devm_iio_backend_get_from_fwnode_lookup()
351 		return back;  in __devm_iio_backend_get_from_fwnode_lookup()
360  * @back:	Backend device
362 void *iio_backend_get_priv(const struct iio_backend *back)  in iio_backend_get_priv()  argument
364 	return back->priv;  in iio_backend_get_priv()
370 	struct iio_backend *back = arg;  in iio_backend_unregister()  local
373 	list_del(&back->entry);  in iio_backend_unregister()
390 	struct iio_backend *back;  in devm_iio_backend_register()  local
401 	back = devm_kzalloc(dev, sizeof(*back), GFP_KERNEL);  in devm_iio_backend_register()
402 	if (!back)  in devm_iio_backend_register()
405 	back->ops = ops;  in devm_iio_backend_register()
406 	back->owner = dev->driver->owner;  in devm_iio_backend_register()
407 	back->dev = dev;  in devm_iio_backend_register()
408 	back->priv = priv;  in devm_iio_backend_register()
410 		list_add(&back->entry, &iio_back_list);  in devm_iio_backend_register()
412 	return devm_add_action_or_reset(dev, iio_backend_unregister, back);  in devm_iio_backend_register()