124 			     struct i2c_client *client, u8 val)  in pca954x_reg_write()  argument
132 		msg.addr = client->addr;  in pca954x_reg_write()
140 		ret = adap->algo->smbus_xfer(adap, client->addr,  in pca954x_reg_write()
141 					     client->flags,  in pca954x_reg_write()
150 			       void *client, u32 chan)  in pca954x_select_chan()  argument
152 	struct pca954x *data = i2c_get_clientdata(client);  in pca954x_select_chan()
165 		ret = pca954x_reg_write(adap, client, regval);  in pca954x_select_chan()
173 				void *client, u32 chan)  in pca954x_deselect_mux()  argument
175 	struct pca954x *data = i2c_get_clientdata(client);  in pca954x_deselect_mux()
179 	return pca954x_reg_write(adap, client, data->last_chan);  in pca954x_deselect_mux()
185 static int pca954x_probe(struct i2c_client *client,  in pca954x_probe()  argument
188 	struct i2c_adapter *adap = to_i2c_adapter(client->dev.parent);  in pca954x_probe()
189 	struct pca954x_platform_data *pdata = dev_get_platdata(&client->dev);  in pca954x_probe()
190 	struct device_node *of_node = client->dev.of_node;  in pca954x_probe()
200 	data = devm_kzalloc(&client->dev, sizeof(struct pca954x), GFP_KERNEL);  in pca954x_probe()
204 	i2c_set_clientdata(client, data);  in pca954x_probe()
207 	gpio = devm_gpiod_get_optional(&client->dev, "reset", GPIOD_OUT_LOW);  in pca954x_probe()
215 	if (i2c_smbus_write_byte(client, 0) < 0) {  in pca954x_probe()
216 		dev_warn(&client->dev, "probe failed\n");  in pca954x_probe()
244 			i2c_add_mux_adapter(adap, &client->dev, client,  in pca954x_probe()
251 			dev_err(&client->dev,  in pca954x_probe()
258 	dev_info(&client->dev,  in pca954x_probe()
261 				? "mux" : "switch", client->name);  in pca954x_probe()
271 static int pca954x_remove(struct i2c_client *client)  in pca954x_remove()  argument
273 	struct pca954x *data = i2c_get_clientdata(client);  in pca954x_remove()
289 	struct i2c_client *client = to_i2c_client(dev);  in pca954x_resume()  local
290 	struct pca954x *data = i2c_get_clientdata(client);  in pca954x_resume()
293 	return i2c_smbus_write_byte(client, 0);  in pca954x_resume()