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https://github.com/AsahiLinux/u-boot
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c0c88533ff
This patch adds command to test audio playback. sound init - Initialises the audio subsystem (i2s and wm8994 codec) sound play - Plays predefined the audio data when specified length and frequency. Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com> Acked-by: Simon Glass <sjg@chromium.org> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
96 lines
2.3 KiB
C
96 lines
2.3 KiB
C
/*
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* Copyright (C) 2012 Samsung Electronics
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* Rajeshwari Shinde <rajeshwari.s@samsung.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <command.h>
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#include <fdtdec.h>
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#include <sound.h>
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DECLARE_GLOBAL_DATA_PTR;
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/* Initilaise sound subsystem */
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static int do_init(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
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{
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int ret;
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ret = sound_init();
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if (ret) {
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printf("Initialise Audio driver failed\n");
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return CMD_RET_FAILURE;
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}
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return 0;
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}
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/* play sound from buffer */
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static int do_play(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
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{
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int ret = 0;
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int msec = 1000;
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int freq = 400;
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if (argc > 1)
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msec = simple_strtoul(argv[1], NULL, 10);
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if (argc > 2)
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freq = simple_strtoul(argv[2], NULL, 10);
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ret = sound_play(msec, freq);
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if (ret) {
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printf("play failed");
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return CMD_RET_FAILURE;
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}
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return 0;
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}
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static cmd_tbl_t cmd_sound_sub[] = {
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U_BOOT_CMD_MKENT(init, 0, 1, do_init, "", ""),
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U_BOOT_CMD_MKENT(play, 2, 1, do_play, "", ""),
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};
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/* process sound command */
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static int do_sound(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
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{
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cmd_tbl_t *c;
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if (argc < 1)
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return CMD_RET_USAGE;
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/* Strip off leading 'sound' command argument */
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argc--;
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argv++;
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c = find_cmd_tbl(argv[0], &cmd_sound_sub[0], ARRAY_SIZE(cmd_sound_sub));
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if (c)
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return c->cmd(cmdtp, flag, argc, argv);
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else
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return CMD_RET_USAGE;
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}
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U_BOOT_CMD(
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sound, 4, 1, do_sound,
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"sound sub-system",
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"init - initialise the sound driver\n"
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"sound play [len] [freq] - play a sound for len ms at freq hz\n"
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);
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