aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/input/mouse/alps.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2012-03-07 11:31:31 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-07 11:31:31 -0500
commitd09b3c9618f72ca018836998b13045edec3c8301 (patch)
tree4bdd35249faad438fee4b3cdf6fb9c78fc635823 /drivers/input/mouse/alps.c
parent4293f20c19f44ca66e5ac836b411d25e14b9f185 (diff)
parent19d57d3a145e94349abf805eed2316ef720d86c2 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov: "Just a few driver fixups, nothing exciting." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: wacom - fix 3rd-gen Bamboo MT when 4+ fingers are in use Input: twl4030-vibra - use proper guard for PM methods Input: evdev - fix variable initialisation Input: wacom - add missing LEDS_CLASS to Kconfig Input: ALPS - fix touchpad detection when buttons are pressed
Diffstat (limited to 'drivers/input/mouse/alps.c')
-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
952 952
953 /* 953 /*
954 * First try "E6 report". 954 * First try "E6 report".
955 * ALPS should return 0,0,10 or 0,0,100 955 * ALPS should return 0,0,10 or 0,0,100 if no buttons are pressed.
956 * The bits 0-2 of the first byte will be 1s if some buttons are
957 * pressed.
956 */ 958 */
957 param[0] = 0; 959 param[0] = 0;
958 if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES) || 960 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
968 psmouse_dbg(psmouse, "E6 report: %2.2x %2.2x %2.2x", 970 psmouse_dbg(psmouse, "E6 report: %2.2x %2.2x %2.2x",
969 param[0], param[1], param[2]); 971 param[0], param[1], param[2]);
970 972
971 if (param[0] != 0 || param[1] != 0 || (param[2] != 10 && param[2] != 100)) 973 if ((param[0] & 0xf8) != 0 || param[1] != 0 ||
974 (param[2] != 10 && param[2] != 100))
972 return NULL; 975 return NULL;
973 976
974 /* 977 /*