Messages in this thread Patch in this message | | | From | Ondrej Zary <> | Subject | usbtouchscreen: support bigger iNexio touchscreens | Date | Tue, 16 Mar 2010 14:23:53 +0100 |
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Bigger Nexio touchscreens not only send more data but also the header values are modified somehow. Fix the header somehow (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>
--- linux-2.6.34-rc1-orig/drivers/input/touchscreen/usbtouchscreen.c 2010-03-16 13:34:51.000000000 +0100 +++ linux-2.6.34-rc1/drivers/input/touchscreen/usbtouchscreen.c 2010-03-16 13:46:15.000000000 +0100 @@ -858,6 +858,11 @@ 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 @@ #ifdef CONFIG_TOUCHSCREEN_USB_NEXIO [DEVTYPE_NEXIO] = { - .rept_size = 128, + .rept_size = 1024, .irq_always = true, .read_data = nexio_read_data, .init = nexio_init,
-- Ondrej Zary
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