- May 29, 2014
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Himangi Saraogi authored
Let's switch the driver to use managed resources, this will simplify error handling and driver unbinding logic. Signed-off-by:
Himangi Saraogi <himangi774@gmail.com> Acked-by:
Julia Lawall <julia.lawall@lip6.fr> Signed-off-by:
Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Himangi Saraogi authored
Let's switch the driver to use managed resources, this will simplify error handling and driver unbinding logic. Signed-off-by:
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Ping Cheng authored
New Cintiq tablets have a 200 tablet counts outside of screen area. Add x/y_min for ABS_X/Y to pass this information to userland. Signed-off-by:
Ping Cheng <pingc@wacom.com> Reviewed-by:
Jason Gerecke <killertofu@gmail.com> Tested-by:
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Ping Cheng authored
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Sebastian Reichel authored
This adds support for the tsc2005 touchscreen to the Nokia N900 DTS file. Signed-off-by:
Sebastian Reichel <sre@kernel.org> Acked-by:
Tony Lindgren <tony@atomide.com> Signed-off-by:
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Sebastian Reichel authored
This adds DT support to the tsc2005 touchscreen driver. It also adds regulator support to the driver if booted via DT. Reviewed-by:
Pavel Machek <pavel@ucw.cz> Acked-by:
Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by:
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Sebastian Reichel authored
Add common DT binding documentation for touchscreen devices and implement input_parse_touchscreen_of_params, which parses the common properties and configures the input device accordingly. The method currently does not interpret the axis inversion properties, since there is no matching flag in the generic linux input device. Reviewed-by:
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Himangi Saraogi authored
Let's switch the driver to use managed resources, this will simplify error handling and driver unbinding logic. Signed-off-by:
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Himangi Saraogi authored
Let's switch the driver to use managed resources, this will simplify error handling and driver unbinding logic. Signed-off-by:
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Himangi Saraogi authored
Let's switch the driver to use managed resources, this will simplify error handling and allows us to get rid of da9034_touch_remove(). Signed-off-by:
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Beomho Seo authored
Let's switch the driver to use managed resources, this will simplify error handling and driver unbinding logic. Signed-off-by:
Beomho Seo <beomho.seo@samsung.com> Signed-off-by:
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Beomho Seo authored
This patch fix a typo error in MELFAS MCS-5000 controller driver. Signed-off-by:
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Beomho Seo authored
This patch fix a typo error in mms114 touchscreen driver. Signed-off-by:
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Beomho Seo authored
This patch fix a typo error in MELFAS 5000/5080 controller driver. Signed-off-by:
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Sachin Kamat authored
input.h was included twice. Signed-off-by:
Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by:
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- May 27, 2014
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Nick Dyer authored
Signed-off-by:
Nick Dyer <nick.dyer@itdev.co.uk> Acked-by:
Benson Leung <bleung@chromium.org> Acked-by:
Yufeng Shen <miletus@chromium.org> Signed-off-by:
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Nick Dyer authored
This avoids confusion with the newer T100 touchscreen object. Signed-off-by:
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Nick Dyer authored
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Nick Dyer authored
By reading the touchscreen configuration from the settings that the maXTouch chip is actually using, we can remove some platform data. The matrix size is not used for anything, and results in some rather confusing code to re-read it because it may change when configuration is downloaded, so don't print it out. Signed-off-by:
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- May 19, 2014
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Nick Dyer authored
Atmel supplies firmware files in ASCII HEX format (.enc) which must be converted before they can be loaded by kernel driver. Try to detect the error and print a friendly error message rather than feeding junk to the bootloader. Signed-off-by:
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Nick Dyer authored
By implementing a frame counter, print out fewer debug messages (the firmware may contain hundreds of frames). Signed-off-by:
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Nick Dyer authored
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Nick Dyer authored
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Nick Dyer authored
Move bootloaders reads/writes into separate functions. Instead of switching client->addr, define new field bootloader_addr in mxt_data. Implement lookup calculation for bootloader addresses. Signed-off-by:
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Nick Dyer authored
The configuration is stored in NVRAM on the maXTouch chip. When the device is reset it reports a CRC of the stored configuration values. Therefore it isn't necessary to send the configuration on each probe - we can check the CRC matches and avoid a timeconsuming backup/reset cycle. Signed-off-by:
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Nick Dyer authored
- Add error messages for probe errors - Report type in invalid object type - Tweak some other debug output messages Signed-off-by:
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Iiro Valkonen authored
The delay before the chip can be accessed after reset varies between different chips in maXTouch family. Waiting for an interrupt and a T6 status message with the RESET bit set is a better behaviour. Signed-off-by:
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Benson Leung authored
Rather than msleep for MXT_RESET_TIME and MXT_FWRESET_TIME during the transition to bootloader mode and the transition back from app, wait for the CHG assert to indicate that the transition is done. This change replaces the msleep with a wait for completion that the mxt_interrupt handler signals. Also add CHG poll after last firmware frame - some bootloader versions will assert the interrupt line after the final frame, in testing this meant that the driver attempts to read the info block too early whilst the chip is still resetting. This improves firmware update time as we no longer wait longer than necessary for each reset. Signed-off-by:
Daniel Kurtz <djkurtz@chromium.org> Signed-off-by:
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Benson Leung authored
The driver should not immediately read bootloader status when in Application Update Mode. The CHG line will assert when the device has made a state transition and is ready to report a new status via i2c. This change adds a wait for completion in mxt_check_bootloader, and changes the mxt_interrupt handler to signal the completion. Signed-off-by:
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Nick Dyer authored
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Daniel Kurtz authored
These two object table entry fields are reported 1 less than their value. When used, however, we always want the actual size and instances. To keep the object size and instances 1-byte fields, and thus preserve the object-table struct's 6-byte packed alignment, add some convenient accessor functions that do the +1 every time these fields are accessed. Signed-off-by:
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Nick Dyer authored
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Nick Dyer authored
* The mapping of the GPIO numbers into the T19 status byte varies between different maXTouch chips. Some have up to 7 GPIOs. Allowing a keycode array of up to 8 items is simpler and more generic. So replace #define with configurable number of keys which also allows the removal of is_tp. * Rename platform data parameters to include "t19" to prevent confusion with T15 key array. * Probe aborts early on when pdata is NULL, so no need to check. * Move "int i" to beginning of function (mixed declarations and code) * Use API calls rather than __set_bit() * Remove unused dev variable. Signed-off-by:
Henrik Rydberg <rydberg@euromail.se> Signed-off-by:
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Nick Dyer authored
It is not necessary to download these values to the maXTouch chip on every probe, since they are stored in NVRAM. It makes life difficult when tuning the device to keep them in sync with the config array/file, and requires a new kernel build for minor tweaks. These parameters only represent a tiny subset of the available configuration options, tracking all of these options in platform data would be a endless task. In addition, different versions of maXTouch chips may have these values in different places or may not even have them at all. Having these values also makes life more complex for device tree and other platforms where having to define a static configuration isn't helpful. Signed-off-by:
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Roger Quadros authored
Improve the suspend and resume handlers to allow the device to wakeup the system from suspend. Signed-off-by:
Roger Quadros <rogerq@ti.com> Acked-by:
Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by:
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Roger Quadros authored
Get rid of the attb_read_val() platform hook. Instead, read the ATTB gpio directly from the driver. Fail if valid ATTB gpio is not provided by patform data. Signed-off-by:
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Roger Quadros authored
Introduce helper functions to configure power and interrupt registers. Default to IDLE mode on probe as device supports auto wakeup to ACVIE mode on detecting finger touch. Configure interrupt mode and polarity on start up. Power down on device closure or module removal. Signed-off-by:
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Roger Quadros authored
Use devm_() and friends for allocating memory, input device and IRQ. Signed-off-by:
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Christian Engelmayer authored
In case allocation via usb_alloc_coherent() fails in ims_pcu_buffers_alloc(), the function jumps to the exit path without initializing local variable 'error' that is used as return value. Detected by Coverity - CID 1016531. Signed-off-by:
Christian Engelmayer <cengelma@gmx.at> Signed-off-by:
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Ezequiel Garcia authored
This is an input driver and belongs to input not gpio. Signed-off-by:
Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Acked-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
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