LXR uboot/cmd/cls.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * (C) Copyright 2018
   4 * DENX Software Engineering, Anatolij Gustschin <agust@denx.de>
   5 *
   6 * cls - clear screen command
   7 */
   8#include <common.h>
   9#include <command.h>
  10#include <dm.h>
  11#include <lcd.h>
  12#include <video.h>
  13
  14static int do_video_clear(struct cmd_tbl *cmdtp, int flag, int argc,
  15                          char *const argv[])
  16{
  17#if defined(CONFIG_DM_VIDEO)
  18        struct udevice *dev;
  19
  20        if (uclass_first_device_err(UCLASS_VIDEO, &dev))
  21                return CMD_RET_FAILURE;
  22
  23        if (video_clear(dev))
  24                return CMD_RET_FAILURE;
  25#elif defined(CONFIG_CFB_CONSOLE)
  26        video_clear();
  27#elif defined(CONFIG_LCD)
  28        lcd_clear();
  29#else
  30        return CMD_RET_FAILURE;
  31#endif
  32        return CMD_RET_SUCCESS;
  33}
  34
  35U_BOOT_CMD(cls, 1, 1, do_video_clear, "clear screen", "");
  36