linux/drivers/input/mouse/synaptics.c, branch v3.0

Input: synaptics - fix crash in synaptics_module_init()

2011-03-31T07:04:52Z

'struct dmi_system_id' arrays must always have a terminator to keep dmi_check_system() from looking at data (and possibly crashing) it isn't supposed to look at. The issue went unnoticed until ef8313bb1a22e7d2125d9d758aa8a81f1de91d81, but was introduced about a year earlier with 7705d548cbe33f18ea7713b9a07aa11047aaeca4 (which also similarly changed lifebook.c, but the problem there got eliminated shortly afterwards). The first hunk therefore is a stable candidate back to 2.6.33, while the full change is needed only on 2.6.38. Signed-off-by: Jan Beulich Cc: stable@kernel.org Signed-off-by: Dmitry Torokhov

Input: synaptics - retry failed resets when reconnecting

2011-01-29T06:32:07Z

On some machines, like Dell Studio XPS 16 (1640), touchpad fails to respond to the standard query after first reset but may start responding later, so let's repeat reset sequence several (3) times. Signed-off-by: Alexandre Peixoto Ferreira Signed-off-by: Dmitry Torokhov

Input: synaptics - fix reconnect logic on MT devices

2011-01-29T06:32:03Z

synaptics_set_advanced_gesture_mode() affect capabilities bits we should perform comparison after calling this function, otherwise they will never match and we will be forced to perform full reconnect. Signed-off-by: Alexandre Peixoto Ferreira Signed-off-by: Dmitry Torokhov

Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rydberg/input-mt into next

2010-12-28T01:33:20Z

Input: psmouse - disable the synaptics extension on OLPC machines

2010-12-23T09:21:23Z

OLPC has switched to a Synaptics touchpad. It turns out that it's pretty useless in absolute mode. This patch looks for an OLPC system (via DMI tables), and refuses to init Synaptics mode in that scenario (falling back to relative mode). Signed-off-by: Andres Salomon Signed-off-by: Dmitry Torokhov

Input: psmouse - fix up Synaptics comment

2010-12-23T09:21:11Z

Minor comment fixup for typos and grammar. Noticed while adding a separate workaround. Signed-off-by: Andres Salomon Signed-off-by: Dmitry Torokhov

Input: synaptics - ignore bogus mt packet

2010-12-22T10:15:28Z

In multitouch mode, at least one device (fw: 7.4 id: 0x1c0b1) sometimes sends a final main packet with x == 1. Since the normal values are above 1472, this is clearly bogus. At the same time, a two-finger touch is signaled, even though only one finger was on the pad to begin with. This patch ignores the packet altogether, removing the problem. Acked-by: Chris Bagwell Acked-by: Chase Douglas Acked-by: Dmitry Torokhov Signed-off-by: Henrik Rydberg

Input: synaptics - add multi-finger and semi-mt support

2010-12-21T17:11:25Z

The Synaptics 2.7 series of touchpads support a mode for reporting two sets of X/Y/Pressure data (advanced gesture mode). By default, these devices report only single finger data, depriving userspace of the nowadays ubiquitous two-finger scroll gesture. Enabling advanced gesture mode also enables the multi-finger report, although the device does not claim that capability. Up to three fingers can be reported this way. While two or three fingers are touching, the normal packet is prepended by a reduced finger packet of lower resolution. From the two packets (which do not represent the actual fingers), the bounding rectangle of the individual contacts can be extracted. This information is sufficient to perform scaling gestures and a limited form of rotation gesture. The behavior has been coined semi-mt capability, and is signaled to userspace via the INPUT_PROP_SEMI_MT device property. Work to decode the advanced gesture packet: Takashi Iwai. Cleanup and testing of the original patch: Chase Douglas. Minor cleanup and testing: Chris Bagwell. Finalization and semi-mt support: Henrik Rydberg. Reported-by: Tobyn Bertram Signed-off-by: Takashi Iwai Signed-off-by: Chase Douglas Signed-off-by: Chris Bagwell Acked-by: Dmitry Torokhov Signed-off-by: Henrik Rydberg

Input: synaptics - report clickpad property

2010-12-21T17:09:19Z

With the new input property interface, it is possible to report the special quirks of a device using ioctl/sysfs. This patch sets up the device as a pointer, and reports the clickpad functionality via the INPUT_PROP_BUTTONPAD property. Acked-by: Chase Douglas Signed-off-by: Henrik Rydberg

Input: synaptics - simplify pass-through port handling

2010-10-13T14:49:27Z

There was too much knowledge about internals if serio in the pass-through handling, clean it up. Signed-off-by: Dmitry Torokhov