From 5dfb5f1d060a6f7dfddb78dc59f9e4d299088cc1 Mon Sep 17 00:00:00 2001 From: Daniel Ritz Date: Wed, 11 Oct 2006 23:40:22 +0200 Subject: [PATCH] usbtouchscreen: fix data reading for ITM touchscreens 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 Signed-off-by: Greg Kroah-Hartman --- drivers/usb/input/usbtouchscreen.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/input/usbtouchscreen.c b/drivers/usb/input/usbtouchscreen.c index f26c1cd1129f..2902742895ad 100644 --- a/drivers/usb/input/usbtouchscreen.c +++ b/drivers/usb/input/usbtouchscreen.c @@ -256,10 +256,10 @@ static int itm_read_data(unsigned char *pkt, int *x, int *y, int *touch, int *pr { *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 -- 2.20.1