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authorJJ Ding <jj_ding@emc.com.tw>2011-09-09 10:27:42 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2011-09-09 10:34:40 -0700
commit8a360d09b14514139b883d970cd3a1b0b63e6717 (patch)
treecc6740ad56793278d82dfb08f19caf108d69b96c /drivers/input/mouse
parentInput: elantech - use firmware provided x, y ranges (diff)
downloadlinux-dev-8a360d09b14514139b883d970cd3a1b0b63e6717.tar.xz
linux-dev-8a360d09b14514139b883d970cd3a1b0b63e6717.zip
Input: elantech - remove ETP_EDGE_FUZZ_V2
Don't try to be too clever and remove ETP_EDGE_FUZZ_V2. X, Y ranges should be just the raw resolution of the device. Otherwise, they can cause underflow on the Y axis. Suggested-by: Éric Piel <eric.piel@tremplin-utc.net> Signed-off-by: JJ Ding <jj_ding@emc.com.tw> Acked-by: Daniel Kurtz <djkurtz@chromium.org> Acked-by: Éric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/mouse')
-rw-r--r--drivers/input/mouse/elantech.h15
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h
index b54ea27d10af..d9e614409f92 100644
--- a/drivers/input/mouse/elantech.h
+++ b/drivers/input/mouse/elantech.h
@@ -66,16 +66,13 @@
#define ETP_YMAX_V1 (384 - ETP_EDGE_FUZZ_V1)
/*
- * It seems the resolution for hardware version 2 doubled.
- * Hence the X and Y ranges are doubled too.
- * The bezel around the pad also appears to be smaller
+ * The resolution for older v2 hardware doubled.
+ * (newer v2's firmware provides command so we can query)
*/
-#define ETP_EDGE_FUZZ_V2 8
-
-#define ETP_XMIN_V2 ( 0 + ETP_EDGE_FUZZ_V2)
-#define ETP_XMAX_V2 (1152 - ETP_EDGE_FUZZ_V2)
-#define ETP_YMIN_V2 ( 0 + ETP_EDGE_FUZZ_V2)
-#define ETP_YMAX_V2 ( 768 - ETP_EDGE_FUZZ_V2)
+#define ETP_XMIN_V2 0
+#define ETP_XMAX_V2 1152
+#define ETP_YMIN_V2 0
+#define ETP_YMAX_V2 768
#define ETP_PMIN_V2 0
#define ETP_PMAX_V2 255