28 static void usb4604_reset(struct usb4604 *hub, int state)  in usb4604_reset()  argument
30 	gpiod_set_value_cansleep(hub->gpio_reset, state);  in usb4604_reset()
37 static int usb4604_connect(struct usb4604 *hub)  in usb4604_connect()  argument
39 	struct device *dev = hub->dev;  in usb4604_connect()
44 	usb4604_reset(hub, 1);  in usb4604_connect()
48 		usb4604_reset(hub, 0);  in usb4604_connect()
52 	hub->mode = USB4604_MODE_HUB;  in usb4604_connect()
58 static int usb4604_switch_mode(struct usb4604 *hub, enum usb4604_mode mode)  in usb4604_switch_mode()  argument
60 	struct device *dev = hub->dev;  in usb4604_switch_mode()
65 		err = usb4604_connect(hub);  in usb4604_switch_mode()
69 		usb4604_reset(hub, 0);  in usb4604_switch_mode()
82 static int usb4604_probe(struct usb4604 *hub)  in usb4604_probe()  argument
84 	struct device *dev = hub->dev;  in usb4604_probe()
92 	hub->gpio_reset = gpio;  in usb4604_probe()
94 	if (of_property_read_u32(np, "initial-mode", &hub->mode))  in usb4604_probe()
95 		hub->mode = mode;  in usb4604_probe()
97 	return usb4604_switch_mode(hub, hub->mode);  in usb4604_probe()
102 	struct usb4604 *hub;  in usb4604_i2c_probe()  local
104 	hub = devm_kzalloc(&i2c->dev, sizeof(*hub), GFP_KERNEL);  in usb4604_i2c_probe()
105 	if (!hub)  in usb4604_i2c_probe()
108 	i2c_set_clientdata(i2c, hub);  in usb4604_i2c_probe()
109 	hub->dev = &i2c->dev;  in usb4604_i2c_probe()
111 	return usb4604_probe(hub);  in usb4604_i2c_probe()
117 	struct usb4604 *hub = i2c_get_clientdata(client);  in usb4604_i2c_suspend()  local
119 	usb4604_switch_mode(hub, USB4604_MODE_STANDBY);  in usb4604_i2c_suspend()
127 	struct usb4604 *hub = i2c_get_clientdata(client);  in usb4604_i2c_resume()  local
129 	usb4604_switch_mode(hub, hub->mode);  in usb4604_i2c_resume()