修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/drivers/staging/comedi/drivers/usbduxsigma.c
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@@ -1074,7 +1074,7 @@
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 				  unsigned int period)
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 {
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 	struct usbduxsigma_private *devpriv = dev->private;
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-	int fx2delay = 255;
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+	int fx2delay;
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 	if (period < MIN_PWM_PERIOD)
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 		return -EAGAIN;
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@@ -1577,6 +1577,8 @@
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 	usbduxsigma_free_usb_buffers(dev);
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 	mutex_unlock(&devpriv->mut);
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+
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+	mutex_destroy(&devpriv->mut);
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 }
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 static struct comedi_driver usbduxsigma_driver = {