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cmd/sound.c
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// SPDX-License-Identifier: GPL-2.0+ |
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/* * Copyright (C) 2012 Samsung Electronics * Rajeshwari Shinde <rajeshwari.s@samsung.com> |
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*/ #include <common.h> #include <command.h> |
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#include <dm.h> |
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#include <fdtdec.h> #include <sound.h> DECLARE_GLOBAL_DATA_PTR; /* Initilaise sound subsystem */ static int do_init(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) { |
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struct udevice *dev; |
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int ret; |
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ret = uclass_first_device_err(UCLASS_SOUND, &dev); if (!ret) ret = sound_setup(dev); |
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if (ret) { |
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printf("Initialise Audio driver failed (ret=%d) ", ret); |
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return CMD_RET_FAILURE; } return 0; } /* play sound from buffer */ static int do_play(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) { |
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struct udevice *dev; |
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int ret = 0; int msec = 1000; int freq = 400; if (argc > 1) msec = simple_strtoul(argv[1], NULL, 10); if (argc > 2) freq = simple_strtoul(argv[2], NULL, 10); |
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ret = uclass_first_device_err(UCLASS_SOUND, &dev); if (!ret) ret = sound_beep(dev, msec, freq); |
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if (ret) { |
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printf("Sound device failed to play (err=%d) ", ret); |
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return CMD_RET_FAILURE; } return 0; } static cmd_tbl_t cmd_sound_sub[] = { U_BOOT_CMD_MKENT(init, 0, 1, do_init, "", ""), U_BOOT_CMD_MKENT(play, 2, 1, do_play, "", ""), }; /* process sound command */ static int do_sound(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) { cmd_tbl_t *c; if (argc < 1) return CMD_RET_USAGE; /* Strip off leading 'sound' command argument */ argc--; argv++; c = find_cmd_tbl(argv[0], &cmd_sound_sub[0], ARRAY_SIZE(cmd_sound_sub)); if (c) return c->cmd(cmdtp, flag, argc, argv); else return CMD_RET_USAGE; } U_BOOT_CMD( sound, 4, 1, do_sound, "sound sub-system", "init - initialise the sound driver " "sound play [len] [freq] - play a sound for len ms at freq hz " ); |