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authorOndrej Zary <linux@rainbow-software.org>2010-05-26 23:30:54 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2010-05-26 23:39:24 -0700
commit388bbcade41ee68d2d1ebb51a538380ea48ae599 (patch)
tree31a733c1abed163db85124a2fb404a74eb02d3ca /drivers/input/touchscreen/usbtouchscreen.c
parent067fb2f648543894ce775082c5636f4c32b99e4f (diff)
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: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/touchscreen/usbtouchscreen.c')
-rw-r--r--drivers/input/touchscreen/usbtouchscreen.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index 0b0ae2e17a6..82227b00d4b 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -857,6 +857,11 @@ static int nexio_read_data(struct usbtouch_usb *usbtouch, unsigned char *pkt)
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);
@@ -1112,7 +1117,7 @@ static struct usbtouch_device_info usbtouch_dev_info[] = {
#ifdef CONFIG_TOUCHSCREEN_USB_NEXIO
[DEVTYPE_NEXIO] = {
- .rept_size = 128,
+ .rept_size = 1024,
.irq_always = true,
.read_data = nexio_read_data,
.init = nexio_init,