cmd_sound.c 1.5 KB

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  1. /*
  2. * Copyright (C) 2012 Samsung Electronics
  3. * Rajeshwari Shinde <rajeshwari.s@samsung.com>
  4. *
  5. * SPDX-License-Identifier: GPL-2.0+
  6. */
  7. #include <common.h>
  8. #include <command.h>
  9. #include <fdtdec.h>
  10. #include <sound.h>
  11. DECLARE_GLOBAL_DATA_PTR;
  12. /* Initilaise sound subsystem */
  13. static int do_init(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
  14. {
  15. int ret;
  16. ret = sound_init(gd->fdt_blob);
  17. if (ret) {
  18. printf("Initialise Audio driver failed\n");
  19. return CMD_RET_FAILURE;
  20. }
  21. return 0;
  22. }
  23. /* play sound from buffer */
  24. static int do_play(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
  25. {
  26. int ret = 0;
  27. int msec = 1000;
  28. int freq = 400;
  29. if (argc > 1)
  30. msec = simple_strtoul(argv[1], NULL, 10);
  31. if (argc > 2)
  32. freq = simple_strtoul(argv[2], NULL, 10);
  33. ret = sound_play(msec, freq);
  34. if (ret) {
  35. printf("play failed");
  36. return CMD_RET_FAILURE;
  37. }
  38. return 0;
  39. }
  40. static cmd_tbl_t cmd_sound_sub[] = {
  41. U_BOOT_CMD_MKENT(init, 0, 1, do_init, "", ""),
  42. U_BOOT_CMD_MKENT(play, 2, 1, do_play, "", ""),
  43. };
  44. /* process sound command */
  45. static int do_sound(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
  46. {
  47. cmd_tbl_t *c;
  48. if (argc < 1)
  49. return CMD_RET_USAGE;
  50. /* Strip off leading 'sound' command argument */
  51. argc--;
  52. argv++;
  53. c = find_cmd_tbl(argv[0], &cmd_sound_sub[0], ARRAY_SIZE(cmd_sound_sub));
  54. if (c)
  55. return c->cmd(cmdtp, flag, argc, argv);
  56. else
  57. return CMD_RET_USAGE;
  58. }
  59. U_BOOT_CMD(
  60. sound, 4, 1, do_sound,
  61. "sound sub-system",
  62. "init - initialise the sound driver\n"
  63. "sound play [len] [freq] - play a sound for len ms at freq hz\n"
  64. );