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| author | Ingo Molnar <mingo@elte.hu> | 2012-03-13 16:26:52 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2012-03-13 16:26:52 +0100 |
| commit | 47258cf3c4aa5d56e678bafe0dd0d03ddd980b88 (patch) | |
| tree | 4856f0fb1185ba97f320a7ed6fb63bf136708a42 /drivers/input/mouse/alps.c | |
| parent | sched: Fix nohz load accounting -- again! (diff) | |
| parent | Linux 3.3-rc7 (diff) | |
| download | linux-47258cf3c4aa5d56e678bafe0dd0d03ddd980b88.tar.xz linux-47258cf3c4aa5d56e678bafe0dd0d03ddd980b88.zip | |
Merge tag 'v3.3-rc7' into sched/core
Merge reason: merge back final fixes, prepare for the merge window.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/input/mouse/alps.c')
| -rw-r--r-- | drivers/input/mouse/alps.c | 7 |
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; /* |