Re: [RFC PATCH 2/3] radio-keene: add a driver for the Keene FM Transmitter.

[Hans Verkuil <hverkuil@xs4all.nl>]

On Monday 16 January 2012 13:46:46 Oliver Neukum wrote:
> Am Montag, 16. Januar 2012, 13:29:19 schrieb Hans Verkuil:
> > +/* check if the device is present and register with v4l and usb if it is
> > */ +static int usb_keene_probe(struct usb_interface *intf,
> > +                               const struct usb_device_id *id)
> > +{
> > +       struct keene_device *radio;
> > +       struct v4l2_ctrl_handler *hdl;
> > +       int retval = 0;
> > +
> > +       radio = kzalloc(sizeof(struct keene_device), GFP_KERNEL);
> > +
> > +       if (!radio) {
> > +               dev_err(&intf->dev, "kmalloc for keene_device failed\n");
> > +               retval = -ENOMEM;
> > +               goto err;
> > +       }
> 
> Oh, I forgot. You have no guarantee the hid driver is already loaded.
> This driver needs to also gracefully handle being called for a HID
> device.

And how do I do that? Do you have a pointer to another driver for me?

Regards,

	Hans