sound.c
1.55 KB
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/*
* Copyright (C) 2012 Samsung Electronics
* Rajeshwari Shinde <rajeshwari.s@samsung.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#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[])
{
int ret;
ret = sound_init(gd->fdt_blob);
if (ret) {
printf("Initialise Audio driver failed\n");
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[])
{
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);
ret = sound_play(msec, freq);
if (ret) {
printf("play failed");
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\n"
"sound play [len] [freq] - play a sound for len ms at freq hz\n"
);