From: Daniel Ritz <[EMAIL PROTECTED]>
ITM devices seem to report only garbage when not touched. update usbtouchscreen
to do data reading like itmtouch. also fix wrong mask on pressure bits.
Signed-off-by: Daniel Ritz <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/usb/input/usbtouchscreen.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/input/usbtouchscreen.c
b/drivers/usb/input/usbtouchscreen.c
index f26c1cd..2902742 100644
--- a/drivers/usb/input/usbtouchscreen.c
+++ b/drivers/usb/input/usbtouchscreen.c
@@ -256,10 +256,10 @@ static int itm_read_data(unsigned char *
{
*x = ((pkt[0] & 0x1F) << 7) | (pkt[3] & 0x7F);
*y = ((pkt[1] & 0x1F) << 7) | (pkt[4] & 0x7F);
- *press = ((pkt[2] & 0x1F) << 7) | (pkt[5] & 0x7F);
+ *press = ((pkt[2] & 0x01) << 7) | (pkt[5] & 0x7F);
*touch = ~pkt[7] & 0x20;
- return 1;
+ return *touch;
}
#endif
--
1.4.2.4
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