src/amlSetting.hpp

/* GStreamer
 * Copyright (C) 2023 <xuesong.jiang@amlogic.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>

static int set_osd_blank(int blank)
{
    const char *path1 = "/sys/class/graphics/fb0/blank";
    const char *path3 = "/sys/class/graphics/fb0/osd_display_debug";
    int fd;
    char cmd[128] = {0};

    fd = open(path3, O_CREAT | O_RDWR | O_TRUNC, 0644);
    if (fd >= 0)
    {
        sprintf(cmd, "%d", blank);
        write(fd, cmd, strlen(cmd));
        close(fd);
    }
    fd = open(path1, O_CREAT | O_RDWR | O_TRUNC, 0644);
    if (fd >= 0)
    {
        sprintf(cmd, "%d", blank);
        write(fd, cmd, strlen(cmd));
        close(fd);
    }
    return 0;
}

static int amsysfs_set_sysfs_str(const char *path, const char *val)
{
    int fd;
    fd = open(path, O_CREAT | O_RDWR | O_TRUNC, 0644);
    if (fd >= 0)
    {
        write(fd, val, strlen(val));
        close(fd);
        return 0;
    }
    return -1;
}

static int set_dmx_source()
{
    amsysfs_set_sysfs_str("/sys/class/stb/source", "dmx0");
    amsysfs_set_sysfs_str("/sys/class/stb/demux0_source", "hiu");
    return 0;
}