Missing shift would report the wrong pressure maximum.
Reported-by: Chris Bagwell <[email protected]>
Signed-off-by: Peter Hutterer <[email protected]>
---
include/isdv4.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/include/isdv4.h b/include/isdv4.h
index 606ef01..f250287 100644
--- a/include/isdv4.h
+++ b/include/isdv4.h
@@ -118,7 +118,7 @@ static int isdv4ParseQuery(const unsigned char *buffer,
const size_t len,
/* FIXME: big endian? */
reply->x_max = (buffer[1] << 9) | (buffer[2] << 2) | ((buffer[6] >> 5)
& 0x3);
reply->y_max = (buffer[3] << 9) | (buffer[4] << 2) | ((buffer[6] >> 3)
& 0x3);
- reply->pressure_max = buffer[5] | (buffer[6] & 0x7);
+ reply->pressure_max = buffer[5] | (buffer[6] & 0x7) << 7;
reply->tilt_y_max = buffer[7];
reply->tilt_x_max = buffer[8];
reply->version = buffer[9] << 7 | buffer[10];
--
1.7.6
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