1 /* 2 * (C) Copyright 2017 Rockchip Electronics Co., Ltd 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <command.h> 8 #include <common.h> 9 #include <dm.h> 10 #include <power/charge_display.h> 11 charge_display_show(struct udevice * dev)12int charge_display_show(struct udevice *dev) 13 { 14 const struct dm_charge_display_ops *ops = dev_get_driver_ops(dev); 15 16 if (!ops || !ops->show) 17 return -ENOSYS; 18 19 return ops->show(dev); 20 } 21 charge_display(void)22int charge_display(void) 23 { 24 struct udevice *dev; 25 int ret; 26 27 ret = uclass_get_device(UCLASS_CHARGE_DISPLAY, 0, &dev); 28 if (ret) { 29 debug("Get charge display failed, ret=%d\n", ret); 30 return ret; 31 } 32 33 return charge_display_show(dev); 34 } 35 36 UCLASS_DRIVER(charge_display) = { 37 .id = UCLASS_CHARGE_DISPLAY, 38 .name = "charge_display", 39 }; 40