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$ lsmod
Module                  Size  Used by
snd_hda_codec_hdmi     49152  1
snd_hda_codec_realtek   81920  1
snd_hda_codec_generic    73728  1 snd_hda_codec_realtek

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Ê×ÏÈ£¬ÎÒÃÇÐèÒªÏÂÔØÉù¿¨Çý¶¯µÄѹËõ°ü£¬Èç”sound_driver.tar.gz”¡£

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$ tar -zxvf sound_driver.tar.gz

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$ cd sound_driver
$ make

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$ make install

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×°ÖÃÍê³Éºó£¬Ê¹ÓÔmodprobe”ÏÂÁî¼ÓÔØÇý¶¯³ÌÐò¡£

$ modprobe sound_driver

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$ lsmod

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$ rmmod sound_driver

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$ vi /etc/sound_driver.conf

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¸½£º´úÂëʾÀý£¨ÒÔÉù¿¨Çý¶¯ÎªÀý£©

#include <linux/module.h>
#include <linux/init.h>
#include <linux/device.h>

static int __init sound_driver_init(void)
{
    printk(KERN_INFO "Sound driver initialized
");
    return 0;
}

static void __exit sound_driver_exit(void)
{
    printk(KERN_INFO "Sound driver exited
");
}

module_init(sound_driver_init);
module_exit(sound_driver_exit);

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Your Name");
MODULE_DESCRIPTION("Sound driver for Linux");

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