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 /drivers | |
| 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>
Diffstat (limited to 'drivers')
| -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 0b0ae2e17a60..82227b00d4b9 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,  | 
