[2/3] usbtouchscreen: support bigger iNexio touchscreens

Commit Message

Andrew Morton April 27, 2010, 9:12 p.m. UTC

None

Patch

diff -puN drivers/input/touchscreen/usbtouchscreen.c~usbtouchscreen-support-bigger-inexio-touchscreens drivers/input/touchscreen/usbtouchscreen.c
--- a/drivers/input/touchscreen/usbtouchscreen.c~usbtouchscreen-support-bigger-inexio-touchscreens
+++ a/drivers/input/touchscreen/usbtouchscreen.c
@@ -858,6 +858,11 @@  static int nexio_read_data(struct usbtou
 	if ((pkt[0] & 0xe0) != 0xe0)
 		return 0;
 
+	if (be16_to_cpu(packet->data_len) > 0xff)
+		packet->data_len = cpu_to_be16(be16_to_cpu(packet->data_len) - 0x100);
+	if (be16_to_cpu(packet->x_len) > 0xff)
+		packet->x_len = cpu_to_be16(be16_to_cpu(packet->x_len) - 0x80);
+
 	/* send ACK */
 	ret = usb_submit_urb(priv->ack, GFP_ATOMIC);
 
@@ -1113,7 +1118,7 @@  static struct usbtouch_device_info usbto
 
 #ifdef CONFIG_TOUCHSCREEN_USB_NEXIO
 	[DEVTYPE_NEXIO] = {
-		.rept_size	= 128,
+		.rept_size	= 1024,
 		.irq_always	= true,
 		.read_data	= nexio_read_data,
 		.init		= nexio_init,