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#include <linux/platform_device.h>
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#include <linux/err.h>
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#include <linux/init.h>
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static __init int add_pcspkr(void)
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{
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struct platform_device *pd;
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pd = platform_device_register_simple("pcspkr", -1, NULL, 0);
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return IS_ERR(pd) ? PTR_ERR(pd) : 0;
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}
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device_initcall(add_pcspkr);
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