Commit 388bbcad authored by Ondrej Zary's avatar Ondrej Zary Committed by Dmitry Torokhov

Input: usbtouchscreen - support bigger iNexio touchscreens

Bigger Nexio touchscreens not only send more data but also the header
values are modified somewhat.  Fix the header (it's a guesswork but
it works at least on one 46" touchscreen with 2.00SMS firmware) and
also increase rept_size.
Signed-off-by: default avatarOndrej Zary <linux@rainbow-software.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent 067fb2f6
...@@ -857,6 +857,11 @@ static int nexio_read_data(struct usbtouch_usb *usbtouch, unsigned char *pkt) ...@@ -857,6 +857,11 @@ static int nexio_read_data(struct usbtouch_usb *usbtouch, unsigned char *pkt)
if ((pkt[0] & 0xe0) != 0xe0) if ((pkt[0] & 0xe0) != 0xe0)
return 0; 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 */ /* send ACK */
ret = usb_submit_urb(priv->ack, GFP_ATOMIC); ret = usb_submit_urb(priv->ack, GFP_ATOMIC);
...@@ -1112,7 +1117,7 @@ static struct usbtouch_device_info usbtouch_dev_info[] = { ...@@ -1112,7 +1117,7 @@ static struct usbtouch_device_info usbtouch_dev_info[] = {
#ifdef CONFIG_TOUCHSCREEN_USB_NEXIO #ifdef CONFIG_TOUCHSCREEN_USB_NEXIO
[DEVTYPE_NEXIO] = { [DEVTYPE_NEXIO] = {
.rept_size = 128, .rept_size = 1024,
.irq_always = true, .irq_always = true,
.read_data = nexio_read_data, .read_data = nexio_read_data,
.init = nexio_init, .init = nexio_init,
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment