- 08 Nov, 2011 3 commits
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Seth Forshee authored
In preparation for adding support for more ALPS protocol versions, add a field for the protocol version to the model info instead of using a field in the flags. OLDPROTO and !OLDPROTO are now called version 1 and version 2, repsectively. Signed-off-by:
Seth Forshee <seth.forshee@canonical.com> Acked-by:
Chase Douglas <chase.douglas@canonical.com> Signed-off-by:
Dmitry Torokhov <dtor@mail.ru>
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Seth Forshee authored
In preparation for new protocol support, move the protocol information currently documented in alps.c to Documentation/input/alps.txt, where it can be expanded without cluttering up the driver. Signed-off-by:
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Chris Bagwell authored
Bamboo's Pen and Touch packets always start with a value of 0x02 in first byte. In 3rd gen Bamboo's, the hw is now periodically sending some additional packets with unrelated data and uses a value other than 0x02 to inform driver this. Ignore those packets now. This was reported by users as bad behavior in Gimp. The invalid packets being processed made the stylus report out of proximity for the 1 packet and this triggered some secondary bug which caused Gimp to stop drawing until user really took pen out of proximity of tablet. Signed-off-by:
Chris Bagwell <chris@cnpbagwell.com> Signed-off-by:
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- 05 Nov, 2011 2 commits
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Michael Gebetsroither authored
Signed-off-by:
Michael Gebetsroither <michael@mgeb.org> Reviewed-by:
Wanlong Gao <gaowanlong@cn.fujitsu.com> Signed-off-by:
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Dmitry Torokhov authored
In addition to some laptops needing i8042 reset after resuming from S2R to get their touchpads working there is another class of laptops - ones that need i8042 reset before going to S2R, otherwise they will simply reboot instead of resuming. See https://bugzilla.kernel.org/show_bug.cgi?id=15612 This change forces reset of i8042 before doing S2R. Reported-by:
Stefan Koch <stefan_koch@gmx.net> Tested-by:
Alexander van Loon <a.vanloon@alexandervanloon.nl> Signed-off-by:
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- 29 Oct, 2011 1 commit
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Kyle Manna authored
This driver has been tested with hardware and works as expected. To use it add the platform data as appropriate and register it with the corresponding I2C bus. Signed-off-by:
Kyle Manna <kyle.manna@fuel7.com> Signed-off-by:
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- 27 Oct, 2011 6 commits
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Chris Bagwell authored
3rd generation Bamboo Pen and Touch tablets reuse the older stylus packet but add an extra fixed zero pad byte to end. The touch packets are quite different since it supports tracking of up to 16 touches. The packet is 64-byte fixed size but contains up to 15 smaller messages indicating data for a single touch or for tablet button presses. Signed-off-by:
Ping Cheng <pingc@wacom.com> Signed-off-by:
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Chris Bagwell authored
Override invalid pen based pktlen and x/y_max with touch values from HID report. Since active area of pen and touch are same on these devices, set physical x/y size while pen x/y_max and resolution are still valid. Signed-off-by:
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Chris Bagwell authored
Bit 0x02 always means tip versus eraser. Bit 0x01 is something related to version of stylus and different values are starting to be used. Relaxing proximity check is required to be used with 3rd generation Bamboo Pen and Touch tablets. Signed-off-by:
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Chris Bagwell authored
Signed-off-by:
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Chris Bagwell authored
Bamboo's do not declared a Digitizer-Stylus so the if() was never executed. wacom_features already contains correct stylus packet length. Signed-off-by:
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Chris Bagwell authored
Only the stylus interface on Bamboo's has a feature report that can be used to set to wacom mode. The touch interface only has 1 report mode and will return errors for those get/sets requests. The get request was always erroring out because it was not marked as an input request. Only down side of error was needlessly resending the set request 5 times. Signed-off-by:
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- 19 Oct, 2011 1 commit
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Michael Hennerich authored
The ADP5585 family keypad decoder and IO expander is similar to the ADP5589, however it features less IO pins, and lacks hardware assisted key-lock functionality. Unfortunately the register addresses are different, as well as the event codes and bit organization within the port related registers. Move ADP5589 Register defines from the header file into the main source file. Add new defines while making sure we don't break existing platform_data. Add register address translation, and turn device specific defines into variables. Introduce some helper functions and disable functions that doesn't exist on the added devices. Signed-off-by:
Michael Hennerich <michael.hennerich@analog.com> Signed-off-by:
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- 13 Oct, 2011 2 commits
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Hui Wang authored
The imx_keypad driver was indicating that it was wakeup capable in imx_keypad_probe(), but it didn't implement suspend or resume methods. According to the i.MX series MCU Reference Manual, the kpp (keypad port) is a major wake up source which can detect any key press even in low power mode and even when there is no clock. Signed-off-by:
Hui Wang <jason77.wang@gmail.com> Reviewed-by:
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Dan Carpenter authored
The problem here is that max_effects can wrap on 32 bits systems. We'd allocate a smaller amount of data than sizeof(struct ff_device). The call to kcalloc() on the next line would fail but it would write the NULL return outside of the memory we just allocated causing data corruption. The call path is that uinput_setup_device() get ->ff_effects_max from the user and sets the value in the ->private_data struct. From there it is: -> uinput_ioctl_handler() -> uinput_create_device() -> input_ff_create(dev, udev->ff_effects_max); I've also changed ff_effects_max so it's an unsigned int instead of a signed int as a cleanup. Signed-off-by:Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
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- 12 Oct, 2011 1 commit
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Philip Rakity authored
Abort driver initialization if X plate resistance was not specified in platform data as it will cause pressure to be always calculated as 0, and making userspace ignore touch coordinates. Signed-off-by:
Philip Rakity <prakity@marvell.com> Signed-off-by:
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- 11 Oct, 2011 10 commits
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Dmitry Torokhov authored
Apparently we never freed memory allocated when users open our char devices nor removed old users from the list of connected clients. Also unregister misc device immediately upon disconnecting the port instead of waiting until last user drops off (refcounting in misc device code will make sure needed pieces stay around while they are needed) and make sure we are not holing holding serio_raw_mutex when registering/unregistering misc device. This should fix potential deadlock between serio_raw and misc device code uncovered by lockdep and reported by Thomas Tuttle. Reviewed-by:
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Dmitry Torokhov authored
Send SIGIO/POLL_HUP and otherwise wake up waiters when corresponding serio port is being disconnected. Also check if port is dead in serio_raw_poll and signal POLLHUP|POLLERR. This should speed up process of releasing dead devices by userspace applications. Reviewed-by:
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Dmitry Torokhov authored
Instead of relying on setting serio_raw->serio to NULL upon disconnecting ports mark them explicitly as "dead". Also take and carry reference to underlying serio port to make sure it does not go away until we are done with it. Reviewed-by:
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Dmitry Torokhov authored
This makes checkpatch.pl happy with the driver Reviewed-by:
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Dmitry Torokhov authored
This will ensure our reporting is consistent with the rest of the system. Reviewed-by:
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Dmitry Torokhov authored
Reviewed-by:
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Dmitry Torokhov authored
Make sure we hold serio lock when adding clients to client list so that we do not race with serio_raw_release() removing clients from the same list. Reviewed-by:
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Dmitry Torokhov authored
'serio_raw_list' and 'list' names do not accurately represent their objects and are extremely confusing when reading the code. Let's use better suited names. Reviewed-by:
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Dmitry Torokhov authored
Reviewed-by:
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Dmitry Torokhov authored
This will ensure our reporting is consistent with the rest of the system and we do not refer to obsolete source file names. Reviewed-by:
JJ Ding <dgdunix@gmail.com> Reviewed-by:
Daniel Kurtz <djkurtz@chromium.org> Signed-off-by:
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- 10 Oct, 2011 3 commits
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Chris Bagwell authored
Medium size Bamboo P&T driver reused max X/Y form older Bamboo 1 medium size tablets and never updated to real value. Actual active area of tablet is slightly larger in Y direction. Signed-off-by:
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Chris Bagwell authored
Tablet reports a distance of 0 right at highest point possible to be in proximity and distance_max when touching tablet. Inverse the distance since user land has no way of knowing ABS_DISTANCE is not distance from tablet. Signed-off-by:
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Chris Bagwell authored
These were left in during removal of touch pressure reports but not needed now. Signed-off-by:
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- 07 Oct, 2011 5 commits
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Dmitry Torokhov authored
CONFIG_PM is defined when CONFIG_PM_SLEEP or CONFIG_PM_RUNTIME is defined, however suspend and resume methods are only valid in the context of CONFIG_PM_SLEEP. If only CONFIG_PM_RUNTIME is defined we get the following warning (courtesy of Geerts randconfig builds): lm8323.c: warning: 'lm8323_resume' defined but not used Signed-off-by: -
Dmitry Torokhov authored
CONFIG_PM is defined when CONFIG_PM_SLEEP or CONFIG_PM_RUNTIME is defined, however suspend and resume methods are only valid in the context of CONFIG_PM_SLEEP. If only CONFIG_PM_RUNTIME is defined we get the following warning (courtesy of Geerts randconfig builds): ad7879-i2c.c: warning: 'ad7879_i2c_resume' defined but not used Signed-off-by: -
Dmitry Torokhov authored
CONFIG_PM is defined when CONFIG_PM_SLEEP or CONFIG_PM_RUNTIME is defined, however suspend and resume methods are only valid in context of CONFIG_PM_SLEEP. If only CONFIG_PM_RUNTIME is defined we get the following warning (courtesy of Geerts randconfig builds): synaptics_i2c.c: warning: 'synaptics_i2c_resume' defined but not used Signed-off-by: -
Dmitry Torokhov authored
Sometimes GCC is not smart enough to recognize that x, y and z are always used properly initialized in mma8450_poll(). Let's rearrange the code a bit to help GCC. Signed-off-by: -
Daniel Kurtz authored
Sysfs attribute show methods are always passed a buffer of length PAGE_SIZE. To keep from overwriting this buffer and causing havoc, use snprintf() to guarantee we never write more than the buffer can hold. In addition, at least for my touchscreen, the number and size of objects was far too big to fit in a single 4K page. Therefore, this patch also trims some redundant framing text to leave more room for actual data. Signed-off-by:
Nick Dyer <nick.dyer@itdev.co.uk> Signed-off-by:
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- 05 Oct, 2011 4 commits
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Ping Cheng authored
Reviewed-by:
Eduard Hasenleithner <eduard@hasenleithner.at> Tested-by:
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Ping Cheng authored
Cintiq 21ux2 has two sets of four LEDs on right and left side of the tablet, respectively. Reviewed-by:
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Ping Cheng authored
The LED also indicates the status of the tablet. Don't turn it off. Reviewed-by:
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Ping Cheng authored
The LED luminance level is normally lower when no button is pressed. Reviewed-by:
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- 28 Sep, 2011 1 commit
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Sebastian Andrzej Siewior authored
This patch adds the TSC-40 serial touchscreen driver and should be compatible with TSC-10 and TSC-25. The driver was written by Linutronix on behalf of Bachmann electronic GmbH. Signed-off-by:
Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by:
Christian Gmeiner <christian.gmeiner@gmail.com> Signed-off-by:
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- 21 Sep, 2011 1 commit
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Michael Tandy authored
This patch clarifies a few bits of documentation in the header file for the adxl34x driver. Signed-off-by:
Michael Tandy <lkml@mkt.me.uk> Acked-by:
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