30 static int wm831x_unique_id_read(struct wm831x *wm831x, char *id)  in wm831x_unique_id_read()  argument
35 		val = wm831x_reg_read(wm831x, WM831X_UNIQUE_ID_1 + i);  in wm831x_unique_id_read()
49 	struct wm831x *wm831x = dev_get_drvdata(dev);  in wm831x_unique_id_show()  local
54 	rval = wm831x_unique_id_read(wm831x, id);  in wm831x_unique_id_show()
68 int wm831x_otp_init(struct wm831x *wm831x)  in wm831x_otp_init()  argument
73 	ret = device_create_file(wm831x->dev, &dev_attr_unique_id);  in wm831x_otp_init()
75 		dev_err(wm831x->dev, "Unique ID attribute not created: %d\n",  in wm831x_otp_init()
78 	ret = wm831x_unique_id_read(wm831x, uuid);  in wm831x_otp_init()
82 		dev_err(wm831x->dev, "Failed to read UUID: %d\n", ret);  in wm831x_otp_init()
87 void wm831x_otp_exit(struct wm831x *wm831x)  in wm831x_otp_exit()  argument
89 	device_remove_file(wm831x->dev, &dev_attr_unique_id);  in wm831x_otp_exit()