- 27 Oct, 2011 1 commit
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Dmitry Torokhov authored
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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:
Dmitry Torokhov <dtor@mail.ru>
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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:
Wanlong Gao <gaowanlong@cn.fujitsu.com> Signed-off-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:
Chris Bagwell <chris@cnpbagwell.com> Acked-by:
Ping Cheng <pingc@wacom.com> 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 5 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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Jason Gerecke authored
This reverts commit 71c86ce5. The 21UX2 does have touchstrips, but they are in a somewhat- hidden location. Signed-off-by:
Jason Gerecke <killertofu@gmail.com> Acked-by:
Ping Cheng <pinglinux@gmail.com> Signed-off-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 10 commits
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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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Tobias Klauser authored
Use the of_property_read_u32() helper function to retrieve u32 values from the device tree. Also do not pass the len parameter to of_get_property if it isn't checked afterwards. Signed-off-by:
Tobias Klauser <tklauser@distanz.ch> Signed-off-by:
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Dmitry Torokhov authored
Since touchscreen driver does not handle any events to be sent to the device we can close serio port first and then unregister the input device. Tested-by:
John Sung <penmount.touch@gmail.com> Signed-off-by:
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Dmitry Torokhov authored
Instead of having one large switch based on product ID use pointer to function actually doing protocol decoding. Tested-by:
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John Sung authored
Add multi touch support for PenMount 6250 touch controller. Signed-off-by:
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John Sung authored
Add dual touch support for PenMount 3000 touch controller. Signed-off-by:
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John Sung authored
Add support for PenMount 6000 touch controller. Signed-off-by:
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John Sung authored
The MSB and LSB of the XY axis value are switched according to the PenMount 9000 protocol. The driver name is also changed from penmountlpc, since it is not for LPC interface at all. Signed-off-by:
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JJ Ding authored
This essentially reverts commit f81bc788. With recent work on elantech driver, I believe we now have complete support for all elantech touchpads. So remove this hack. Signed-off-by:
JJ Ding <jj_ding@emc.com.tw> Reviewed-by:
Éric Piel <eric.piel@tremplin-utc.net> Signed-off-by:
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JJ Ding authored
V2 hardware has many variants. This patch adddresses two issues: - some model also has debounce packets, but with a different signature than v3. Now we just check debounce for all v2 hardware. - due to different scanning methods the hardware uses, x and y ranges have to be calculated differently. And for some specific versions, we can just see them as custom-made, so set {x, y} the same values as Windows driver does. Signed-off-by:Richard Schütz <r.schtz@t-online.de> Reviewed-by:
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- 13 Sep, 2011 1 commit
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Chris Bagwell authored
Bamboos with Product ID's > 0xD4 return values unrelated to pressure in touch 1 pressure field. They also report 2nd touch X/Y values shifted down 1 byte (where pressure was). This results in jumpy 1 finger touch and totally invalid 2nd finger data. For touch detection, switch to a Touch Present single bit that all versions of Bamboo support. For touch 2 offset, calculate offset based on a bit that is set different between the two packet layouts. Since touch pressure reports were removed from driver, there was no need to be reading pressure any more. Signed-off-by:
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