- 29 Oct, 2010 1 commit
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Michael Hennerich authored
Considering following scenario - the touch is present on the screen at the beginning of the last conversion sequence, but by the time the last sequence is finished, the finger is lift off. The AD7879 data available interrupt signals (DAV) completion, however some X,Y values are not valid because the screen inputs were floating during the acquisition. The AD7877 acts differently here, since it only asserts DAV if the touch is still present when the conversion sequence finished. Based on the fact that this can only happen in the last sample of the repeated conversion sequence, we simply skip the last (short glitches are filtered by the AD7879 internal median and average filters). This doesn't cause noticeable side effects, since the minimum conversion interval is 9.44ms. We receive ~100 waypoint samples per second, so we simply delay the result by 9.44ms. We also reject samples where pressure is greater than pressure_max. Signed-off-by:
Michael Hennerich <michael.hennerich@analog.com> Signed-off-by:
Dmitry Torokhov <dtor@mail.ru>
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- 25 Oct, 2010 3 commits
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Dmitry Torokhov authored
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Ping Cheng authored
Cintiq, being a display tablet, doesn't have mouse and associated BTN_s. Make sure we do not specify them when registering Cintiq's input device so that userland can retrieve the exact tool set the device supports. Signed-off-by:
Ping Cheng <pingc@wacom.com> Signed-off-by:
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Nicolas Kaiser authored
Looks like an obvious typo to me. Signed-off-by:
Nicolas Kaiser <nikai@nikai.net> Signed-off-by:
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- 19 Oct, 2010 1 commit
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Michael Hennerich authored
KBUILD_MODNAME normalizes "-" to "_". This is non-obvious and results in the id name for ADP5588 being "adp5588_keys" while the other supported id is "adp5587-keys". So avoid this define and use an explicit string as the id name. Signed-off-by:
Mike Frysinger <vapier@gentoo.org> Signed-off-by:
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- 18 Oct, 2010 13 commits
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Dmitry Torokhov authored
Instead of using asynchronous SPI API and then spinning waiting for SPI transfer to complete when disabling the device, let's use threaded IRQ model and spi_sync(). Acked-by:
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Dmitry Torokhov authored
Instead of manually creating one set of attributes or another set up is_visible method in attribute group structure to control whether aux3 or gpio3 attribute is presented to userspace. Acked-by:
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Dmitry Eremin-Solenikov authored
PS2Mult is a simple serial protocol used for multiplexing several PS/2 streams into one serial data stream. It's used e.g. on TQM85xx series of boards. Signed-off-by:
Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by:
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Daniel Mack authored
448cd166 ("Input: evdev - rearrange ioctl handling") broke EVIOCSABS by checking for the wrong direction bit. Signed-off-by:
Daniel Mack <zonque@gmail.com> Reported-by:
Sven Neumann <s.neumann@raumfeld.com> Tested-by:
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Daniel Mack authored
This fixes a regression introduced by the dynamic allocation of absinfo for input devices. We need to bail out early for input devices which don't have absolute axis. [ 929.664303] Pid: 2989, comm: input Not tainted 2.6.36-rc8+ #14 MS-7260/MS-7260 [ 929.664318] EIP: 0060:[<c12bdc01>] EFLAGS: 00010246 CPU: 0 [ 929.664331] EIP is at evdev_ioctl+0x4f8/0x59f [ 929.664341] EAX: 00000040 EBX: 00000000 ECX: 00000006 EDX: f45a1efc [ 929.664355] ESI: 00000000 EDI: f45a1efc EBP: f45a1f24 ESP: f45a1eb8 [ 929.664369] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 [ 929.664402] f470da74 f6a30e78 f462c240 00000018 bfe4a260 00000000 f45b06fc 00000000 [ 929.664429] <0> 000000c4 b769d000 c3544620 f470da74 f45b06fc f45b06fc f45a1f38 c107dd1f [ 929.664458] <0> f4710b74 000000c4 00000000 00000000 00000000 0000029d 00000a74 f4710b74 [ 929.664500] [<c107dd1f>] ? handle_mm_fault+0x2be/0x59a [ 929.664513] [<c12bd709>] ? evdev_ioctl+0x0/0x59f [ 929.664524] [<c1099d30>] ? do_vfs_ioctl+0x494/0x4d9 [ 929.664538] [<c10432a1>] ? up_read+0x16/0x29 [ 929.664550] [<c101c818>] ? do_page_fault+0x2ff/0x32d [ 929.664564] [<c108d048>] ? do_sys_open+0xc5/0xcf [ 929.664575] [<c1099db6>] ? sys_ioctl+0x41/0x61 [ 929.664587] [<c1002710>] ? sysenter_do_call+0x12/0x36 [ 929.684570] ---[ end trace 11b83e923bd8f2bb ]--- Signed-off-by:
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Dmitry Torokhov authored
We need to always call usb_autopm_put_interface() in wacom_open(), not only when initialization fails, otherwise the device will be marked as PM-busy and will never be put in suspended state. Based on patch by Oliver Neukum. Acked-by:
Oliver Neukum <oneukum@suse.de> Signed-off-by:
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Dmitry Torokhov authored
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Michael Hennerich authored
Suppress events where pressure > pressure_max. These events come typically along with inaccurate X and Y samples. Signed-off-by:
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Michael Hennerich authored
Some input users such as Android or X require BTN_TOUCH events. Implement EV_KEY:BTN_TOUCH and make sure that the release event is not erroneous scheduled without a preceding valid touch. Signed-off-by:
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Michael Hennerich authored
According to the AD7877 datasheet: Each transfer operation is 16-bit. If multiple read/write operations are to be performed, CS must be taken high after the end of each read/write operation before another read/write operation can be performed by taking CS low again. Make sure CS toggles after each transfer in the message. Signed-off-by:
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Tejun Heo authored
Make hp680_ts_init/exit() call cancel_delayed_work_sync() instead of calling cancel_delayed_work() followed by flush_scheduled_work(). This is to prepare for the deprecation and removal of flush_scheduled_work(). Signed-off-by:
Tejun Heo <tj@kernel.org> Signed-off-by:
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Hitoshi Mitake authored
When annotating mutex to avoid false lockdep reports we should not be using MOUSEDEV_MIX as lock subclass but rather SINGLE_DEPTH_NESTING. Signed-off-by:
Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp> Signed-off-by:
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Jason Wang authored
Commit 91143379 introduces regulator operations in ads7846 touchscreen driver. Among these operations, some are called while holding a spinlock. On many platforms regulators reside on slow buses, such as I2C/SPI and require sleep while accessing them. The touchscreen itself is also a SPI device and currently relies on asynchronous SPI access to avoid sleeping in interrupt context. Let's switch to using threaded IRQ to be able to access SPI bus synchronously (which simplifies driver a bit); it also allows safe access to the regulators as well. This has been tested on the ti_omap3530evm board: 1) using ts_lib after normal boot 2) using ts_lib after "#echo 1/0 > /sys/bus/spi/devices/spi0.1/disable" 3) using ts_lib after "#echo mem > /sys/power/state" and "wake up" Also tested on pandora. Based on original patch by Dmitry Torokhov. Tested-by:
Grazvydas Ignotas <notasas@gmail.com> Signed-off-by:
Jason Wang <jason77.wang@gmail.com> Signed-off-by:
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- 13 Oct, 2010 13 commits
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Dmitry Eremin-Solenikov authored
Some (rare) serio devices need to have multiple serio children. One of the examples is PS/2 multiplexer present on several TQC STKxxx boards, which connect PS/2 keyboard and mouse to single tty port. Signed-off-by:
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Dmitry Torokhov authored
There was too much knowledge about internals if serio in the pass-through handling, clean it up. Signed-off-by: -
Naveen Kumar Gaddipati authored
Add the ROHM BU21013 capacitive touch panel controller support with i2c interface. Acked-by:
Linus Walleij <linus.walleij@stericsson.com> Signed-off-by:
Naveen Kumar Gaddipati <naveen.gaddipati@stericsson.com> Acked-by:
Henrik Rydberg <rydberg@euromail.se> Signed-off-by:
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Mike Turquette authored
Program keyboard controller to generate a wake-up request on events and on long key presses. It will not generate wake-up requests on timeouts since driver code does not handle them. This allows keyboard to wake-up OMAP from suspend. Signed-off-by:
Mike Turquette <mturquette@ti.com> Signed-off-by:
Abraham Arce <x0066660@ti.com> Signed-off-by:
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Abraham Arce authored
Select correct interrupt line behaviour. Signed-off-by:
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Abraham Arce authored
Remove SYSCONFIG register configuration, omap hwmod framework will use internal API to modify as required. Other minor updates: - Change a variable name from DEF to VAL, this represents a value - Break line width to 80 characters Signed-off-by:
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Abraham Arce authored
Get mem and irq resources using platform helpers - platform_get_base - platform_get_irq Signed-off-by:
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Sundar Iyer authored
Signed-off-by:
Sundar Iyer <sundar.iyer@stericsson.com> Signed-off-by:
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Sundar Iyer authored
Add support for the keypad controller in the Scroll Key Encoder (SKE) module on the Nomadik family and the DB8500 SoC. Acked-by:
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Dmitry Torokhov authored
We should not try to call free_irq() when request_irq() failed. Reported-by:
G, Manjunath Kondaiah <manjugk@ti.com> Signed-off-by:
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Davidlohr Bueso authored
Instead of using -1 let's start using proper error codes. Signed-off-by:
Davidlohr Bueso <dave@gnu.org> Signed-off-by:
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Dmitry Torokhov authored
Rework emu_probe() to make sure we leave the device disabled if probe fails for any reason. Signed-off-by: -
Dzianis Kahanovich authored
Signed-off-by:
Dzianis Kahanovich <mahatma@eu.by> Signed-off-by:
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- 10 Oct, 2010 1 commit
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Aristeu Rozanski authored
Currently the pressure range in Cintiq 21UX2 is limited to half of the supported. This patch fixes the problem. Signed-off-by:
Aristeu Rozanski <aris@redhat.com> Acked-by:
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- 05 Oct, 2010 1 commit
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Dmitry Torokhov authored
When runtime PM is enabled by default for input devices, X hangs in wacom open: [<ffffffff814a00ea>] mutex_lock+0x1a/0x40 [<ffffffffa02bc94b>] wacom_resume+0x3b/0x90 [wacom] [<ffffffff81327a32>] usb_resume_interface+0xd2/0x190 [<ffffffff81327b5d>] usb_resume_both+0x6d/0x110 [<ffffffff81327c24>] usb_runtime_resume+0x24/0x40 [<ffffffff8130a2cf>] __pm_runtime_resume+0x26f/0x450 [<ffffffff8130a23a>] __pm_runtime_resume+0x1da/0x450 [<ffffffff8130a53a>] pm_runtime_resume+0x2a/0x50 [<ffffffff81328176>] usb_autopm_get_interface+0x26/0x60 [<ffffffffa02bc626>] wacom_open+0x36/0x90 [wacom] wacom_open() takes wacom->lock and calls usb_autopm_get_interface(), which in turn calls wacom_resume() which tries to acquire the lock again. The fix is to call usb_autopm_get_interface() first, before we take the lock. Since we do not do usb_autopm_put_interface() until wacom_close() is called runtime PM is effectively disabled for the driver, however changing it now would risk regressions so the complete fix will have to wait till the next merge window. Reported-by:
Jiri Slaby <jslaby@suse.cz> Acked-by:
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- 30 Sep, 2010 5 commits
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Dmitry Torokhov authored
Similarly to the keyboard handler, we are called by different input devices and thus need to add spinlock if we want to maintain our state properly. Signed-off-by: -
Christoph Fritz authored
Keep the file consistent and make clear that we mean 144 instead of -112. Signed-off-by:
Christoph Fritz <chf.fritz@googlemail.com> Signed-off-by:
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Dmitry Torokhov authored
Signed-off-by: -
Rahul Ruikar authored
pci_disable_device() is called for following 2 cases - error path in emu_probe() - in emu_remove() Signed-off-by:
Rahul Ruikar <rahul.ruikar@gmail.com> Signed-off-by:
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Xing Wei authored
This adds support for hanwang Art Master HD 5012 electromagnetic tablet. Signed-off-by:
Xing Wei <weixing@hanwang.com.cn> Signed-off-by:
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- 21 Sep, 2010 1 commit
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Kenneth Waters authored
Fixed JSIOCSAXMAP ioctl to update absmap, the map from hardware axis to event axis in addition to abspam. This fixes a regression introduced by 999b874f. Signed-off-by:
Kenneth Waters <kwwaters@gmail.com> Cc: stable@kernel.org Signed-off-by:
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- 19 Sep, 2010 1 commit
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Henrik Rydberg authored
The input devices created by uinput do not currently handle multitouch properly. All events will appear as if they came from slot zero, and the input event buffers are not adjusted. This patch creates the MT slots during setup, and sets the number of events per packet based on the MT usage. Signed-off-by:
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