On Tue, 2010-02-02 at 14:11 -0800, Oliver Neukum wrote:
> > Hi Oliver,
> > We already have a reset_resume function in our latest sierra driver.
> > We will submit a patch to linux-usb community shortly.
> > Here is our function:
> >
> > static int sierra_reset_resume(struct usb_interface *intf)
> > {
> > struct usb_serial *serial = usb_get_intfdata(intf);
> > dev_err(&serial->dev->dev, "%s\n", __func__);
> > return usb_serial_resume(intf);
> > }
>
> How does it do when you test it while the device is online?
> It seems to not notify the host about the breakdown of the connection.
>
> Regards
> Oliver
>
Hi Oliver,
The notification (tty_hangup) happens when the device sends DCD (data
carrier detect) update over interrupt endpoint (see
sierra_instat_callback).
Please note that we implemented sierra_reset_resume() function to be
able to accommodate all our devices in the field.
Regards,
Elina
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