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From: Ondrej Zary on 30 Nov 2009 07:50
Convert usbtouchscreen from storing usb_device to usb_interface. This is
needed for multi-interface touchscreen devices such as iNexio.


Signed-off-by: Ondrej Zary <linux(a)rainbow-software.org>

--- linux-source-2.6.31/drivers/input/touchscreen/usbtouchscreen.c.orig 2009-11-23 09:56:27.000000000 +0100
+++ linux-source-2.6.31/drivers/input/touchscreen/usbtouchscreen.c 2009-11-23 09:58:20.000000000 +0100
@@ -93,7 +93,7 @@ struct usbtouch_usb {
unsigned char *buffer;
int buf_len;
struct urb *irq;
- struct usb_device *udev;
+ struct usb_interface *interface;
struct input_dev *input;
struct usbtouch_device_info *type;
char name[128];
@@ -280,8 +280,9 @@ static int mtouch_read_data(struct usbto
static int mtouch_init(struct usbtouch_usb *usbtouch)
{
int ret, i;
+ struct usb_device *udev = interface_to_usbdev(usbtouch->interface);

- ret = usb_control_msg(usbtouch->udev, usb_rcvctrlpipe(usbtouch->udev, 0),
+ ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
MTOUCHUSB_RESET,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1, 0, NULL, 0, USB_CTRL_SET_TIMEOUT);
@@ -292,7 +293,7 @@ static int mtouch_init(struct usbtouch_u
msleep(150);

for (i = 0; i < 3; i++) {
- ret = usb_control_msg(usbtouch->udev, usb_rcvctrlpipe(usbtouch->udev, 0),
+ ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
MTOUCHUSB_ASYNC_REPORT,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1, 1, NULL, 0, USB_CTRL_SET_TIMEOUT);
@@ -425,7 +426,7 @@ static int gunze_read_data(struct usbtou

static int dmc_tsc10_init(struct usbtouch_usb *usbtouch)
{
- struct usb_device *dev = usbtouch->udev;
+ struct usb_device *dev = interface_to_usbdev(usbtouch->interface);
int ret = -ENOMEM;
unsigned char *buf;

@@ -850,7 +851,7 @@ static int usbtouch_open(struct input_de
{
struct usbtouch_usb *usbtouch = input_get_drvdata(input);

- usbtouch->irq->dev = usbtouch->udev;
+ usbtouch->irq->dev = interface_to_usbdev(usbtouch->interface);

if (usb_submit_urb(usbtouch->irq, GFP_KERNEL))
return -EIO;
@@ -920,7 +921,7 @@ static int usbtouch_probe(struct usb_int
goto out_free_buffers;
}

- usbtouch->udev = udev;
+ usbtouch->interface = intf;
usbtouch->input = input_dev;

if (udev->manufacturer)
@@ -959,12 +960,12 @@ static int usbtouch_probe(struct usb_int
input_set_abs_params(input_dev, ABS_PRESSURE, type->min_press,
type->max_press, 0, 0);

- usb_fill_int_urb(usbtouch->irq, usbtouch->udev,
- usb_rcvintpipe(usbtouch->udev, endpoint->bEndpointAddress),
+ usb_fill_int_urb(usbtouch->irq, udev,
+ usb_rcvintpipe(udev, endpoint->bEndpointAddress),
usbtouch->data, type->rept_size,
usbtouch_irq, usbtouch, endpoint->bInterval);

- usbtouch->irq->dev = usbtouch->udev;
+ usbtouch->irq->dev = udev;
usbtouch->irq->transfer_dma = usbtouch->data_dma;
usbtouch->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;


--
Ondrej Zary
--
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