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authorDave Airlie <airlied@redhat.com>2012-03-15 10:24:32 +0000
committerDave Airlie <airlied@redhat.com>2012-03-15 10:24:32 +0000
commit8229c885fe361e521ac64de36b16011e54a30de0 (patch)
tree572e5d34b16713ddef9e803308c6f72014aff01b /drivers/input/mouse
parentc3c50e8b651887bcefcc13beb3739c00b2379b5c (diff)
parentfde7d9049e55ab85a390be7f415d74c9f62dd0f9 (diff)
downloadtalos-op-linux-8229c885fe361e521ac64de36b16011e54a30de0.tar.gz
talos-op-linux-8229c885fe361e521ac64de36b16011e54a30de0.zip
drm: Merge tag 'v3.3-rc7' into drm-core-next
Merge the fixes so far into core-next, needed to test intel driver. Conflicts: drivers/gpu/drm/i915/intel_ringbuffer.c
Diffstat (limited to 'drivers/input/mouse')
-rw-r--r--drivers/input/mouse/alps.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index bd87380bd879..4c6a72d3d48c 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -952,7 +952,9 @@ static const struct alps_model_info *alps_get_model(struct psmouse *psmouse, int
/*
* First try "E6 report".
- * ALPS should return 0,0,10 or 0,0,100
+ * ALPS should return 0,0,10 or 0,0,100 if no buttons are pressed.
+ * The bits 0-2 of the first byte will be 1s if some buttons are
+ * pressed.
*/
param[0] = 0;
if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES) ||
@@ -968,7 +970,8 @@ static const struct alps_model_info *alps_get_model(struct psmouse *psmouse, int
psmouse_dbg(psmouse, "E6 report: %2.2x %2.2x %2.2x",
param[0], param[1], param[2]);
- if (param[0] != 0 || param[1] != 0 || (param[2] != 10 && param[2] != 100))
+ if ((param[0] & 0xf8) != 0 || param[1] != 0 ||
+ (param[2] != 10 && param[2] != 100))
return NULL;
/*
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