diff options
| author | Ondrej Zary <linux@rainbow-software.org> | 2010-05-26 23:30:54 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-05-26 23:39:24 -0700 |
| commit | 388bbcade41ee68d2d1ebb51a538380ea48ae599 (patch) | |
| tree | 31a733c1abed163db85124a2fb404a74eb02d3ca | |
| parent | 067fb2f648543894ce775082c5636f4c32b99e4f (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>
| -rw-r--r-- | drivers/input/touchscreen/usbtouchscreen.c | 7 |
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, |