C++ (Cpp) msnd_wait_HC0示例

示例#1

int msnd_send_dsp_cmd(multisound_dev_t *dev, BYTE cmd)
{
	unsigned long flags;

	spin_lock_irqsave(&dev->lock, flags);
	if (msnd_wait_HC0(dev) == 0) {
		outb(cmd, dev->io + HP_CVR);
		spin_unlock_irqrestore(&dev->lock, flags);
		return 0;
	}
	spin_unlock_irqrestore(&dev->lock, flags);

	printk(KERN_DEBUG LOGNAME ": Send DSP command timeout\n");

	return -EIO;
}

示例#2

文件： msnd.c 项目： rrowicki/Chrono_Kernel-1

int msnd_send_dsp_cmd(multisound_dev_t *dev, BYTE cmd)
{
	unsigned long flags;

	spin_lock_irqsave(&dev->lock, flags);
	if (msnd_wait_HC0(dev) == 0) {
		msnd_outb(cmd, dev->io + HP_CVR);
		spin_unlock_irqrestore(&dev->lock, flags);
		return 0;
	}
	spin_unlock_irqrestore(&dev->lock, flags);

;

	return -EIO;
}