Re: [linux-usb-devel] [PATCH] add support for PANJIT TouchSet USB Touchscreen Device

[Oliver Neukum]

Am Montag, 6. März 2006 10:14 schrieb Lanslott Gish:
> hi,
> 
> this is the first version of the patch from a newbie :)
> add support for PANJIT TouchSet USB touchscreen device.
> 

> +#define TOUCHSET_DOWN			0x01
> +#define TOUCHSET_POINT_TOUCH		0x81
> +#define TOUCHSET_POINT_NOTOUCH		0x80
> +
> +#define TOUCHSET_GET_TOUCHED(dat)	((((dat)[0]) & TOUCHSET_DOWN) ? 1 : 0)

Drop the "?"

> +static int touchset_open(struct input_dev *input)
> +{
> +	struct touchset_usb *touchset = input->private;
> +
> +	touchset->irq->dev = touchset->udev;
> +
> +	if (usb_submit_urb(touchset->irq, GFP_ATOMIC))

GFP_KERNEL

> +		return -EIO;
> +
> +	return 0;
> +}
> +
> +static void touchset_close(struct input_dev *input)
> +{
> +	struct touchset_usb *touchset = input->private;
> +
> +	usb_kill_urb(touchset->irq);
> +}
> +
> +static int touchset_alloc_buffers(struct usb_device *udev,
> +				  struct touchset_usb *touchset)
> +{
> +	touchset->data = usb_buffer_alloc(udev, TOUCHSET_REPORT_DATA_SIZE,
> +	                                  SLAB_ATOMIC, &touchset->data_dma);

SLAB_KERNEL

	Regards
		Oliver
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