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commit a1e636e6d3 (Input: imx_keypad - use clk_prepare_enable/
clk_disable_unprepare()) missed to update clk_enable/clk_disable
in imx_keypad_probe().
Fix it so that we do not get clk warnings at boot.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Certain eGalax devices expose an interface with class HID and protocol
None. Some work with usbhid and some work with usbtouchscreen, but
there is no easy way to differentiate. Sending an eGalax diagnostic
packet seems to kick them all into using the right protocol for
usbtouchscreen, so we can continue to bind them all there (as opposed to
handing some off to usbhid).
This fixes a regression for devices that were claimed by (and worked
with) usbhid prior to commit 139ebe8dc80dd74cb2ac9f5603d18fbf5cff049f
("Input: usbtouchscreen - fix eGalax HID ignoring"), which made
usbtouchscreen claim them instead. With this patch they will still be
claimed by usbtouchscreen, but they will actually report events
usbtouchscreen can understand. Note that these devices will be limited
to the usbtouchscreen feature set so e.g. dual touch features are not
supported.
I have the distinct pleasure of needing to support devices of both types
and have tested accordingly.
Signed-off-by: Forest Bond <forest.bond@rapidrollout.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Adds support for the EMR digitizer on the Cintiq 24HD touch. The
EMR digitizer should work identically to that found on the Cintiq
24HD. The touch digitizer is a separate USB device similar to how
we split apart some other devices.
Signed-off-by: Jason Gerecke <killertofu@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
They all define their chassis type as "Other" and therefore are not
categorized as "laptops" by the driver, which tries to perform AUX IRQ
delivery test which fails and causes touchpad not working.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=42620
Cc: stable@kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Ensure the hardware is correctly initialized before requesting the
interrupt, otherwise if a key was already touched since power-on the
kernel enters an interrupt loop. To fix this issue we clear pending
interrupt sources. We also have to make sure clk is enabled while
changing the keypad registers.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This fixes the following breakage:
edt-ft5x06.c: In function edt_ft5x06_ts_remove:
edt-ft5x06.c:846:14: error: struct edt_ft5x06_ts_data has no member named
raw_buffer
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Simon Budig <simon.budig@kernelconcepts.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The touchpad on the Acer Aspire One D250 will report out of range values
in the extreme lower portion of the touchpad. These appear as abrupt
changes in the values reported by the hardware from very low values to
very high values, which can cause unexpected vertical jumps in the
position of the mouse pointer.
What seems to be happening is that the value is wrapping to a two's
compliment negative value of higher resolution than the 13-bit value
reported by the hardware, with the high-order bits being truncated. This
patch adds handling for these values by converting them to the
appropriate negative values.
The only tricky part about this is deciding when to treat a number as
negative. It stands to reason that if out of range values can be
reported on the low end then it could also happen on the high end, so
not all out of range values should be treated as negative. The approach
taken here is to split the difference between the maximum legitimate
value for the axis and the maximum possible value that the hardware can
report, treating values greater than this number as negative and all
other values as positive. This can be tweaked later if hardware is found
that operates outside of these parameters.
BugLink: http://bugs.launchpad.net/bugs/1001251
Cc: stable@vger.kernel.org
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This is a driver for the EDT "Polytouch" family of touch controllers
based on the FocalTech FT5x06 line of chips.
Signed-off-by: Simon Budig <simon.budig@kernelconcepts.de>
Reviewed-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This is a initial driver for new touchscreen chip mms114 of MELFAS.
It uses I2C interface and supports 10 multi touch.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This is a driver for the key scan interface of the LPC32xx SoC
Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Add device tree support for omap4 keypad driver and update the
Documentation with omap4 keypad device tree binding information.
Tested on omap4430 sdp.
Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This change adds support for old Hanwang Art master II tablet
Signed-off-by: weixing <weixing@hanwang.com.cn>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
On some platform it may happen that the input clock to keyboard may
change during suspend, thus impacting its wakeup capability.
There is no means for keyboard driver to know this frequency before
hand. Hence introduce a platform data 'suspended_rate' which indicates
the frequency during suspend at which keyboard operates.
Accordingly reprogram keyboard while going into suspend and restore
original configuration at the time of resume.
Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
SPEAr keyboard should normally disable clock during suspend and enable it
during resume.
For cases where it is expected to act as a wakeup source the clock can
remain in the same state i.e. kept enabled if it is being used.
Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
I couldn't find the vendor ID in any of the online databases, but this
mat has a Pump It Up logo on the top side of the controller compartment,
and a disclaimer stating that Andamiro will not be liable on the bottom.
Signed-off-by: Yuri Khan <yurivkhan@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The device should be handled by xpad driver instead of generic HID driver.
Signed-off-by: Yuri Khan <yurivkhan@gmail.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Add support for the 15'' MacBook Pro Retina model (MacBookPro10,1).
Patch originally written by clipcarl (forums.opensuse.org).
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Add support for the 15'' MacBook Pro Retina. The keyboard is
the same as recent models.
The patch needs to be synchronized with the bcm5974 patch for
the trackpad - as usual.
Patch originally written by clipcarl (forums.opensuse.org).
[rydberg@euromail.se: Amended mouse ignore lines]
Signed-off-by: Ryan Bourgeois <bluedragonx@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
envelope->attack_level is a u16 type. We're trying to clamp it here
so it's between 0 and 0x7fff. Unfortunately, the cast to __s16 turns
all the values larger than 0x7fff into negative numbers and min_t()
thinks they are less than 0x7fff. envelope_level is an int so now
we've got negative values stored there.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Read the Firmware ID and Board Number from a synaptics device at init
and display them in the system log.
Device behavior is very board and firmware dependent.
It may prove useful for users to include this information when providing
bug reports or other feedback.
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Acked-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Current implementation hard coded keyboard frequency configuration
assuming input clock as fixed APB (83 MHz). Generalize the configuration
using clock framework APIs.
Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
All SPEAr keyboard registers are 32 bit wide and are word aligned. This
patch aligns all io access to be word size using relaxed version of
readl/writel.
Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This patch is to disable device wakeup while removing keyboard.
Signed-off-by: Vipul Kumar Samar <vipulkumar.samar@st.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Apparently GCC can't figure out that we bail if we fail to query device
and will not try to use 'features':
drivers/input/touchscreen/wacom_i2c.c: In function ‘wacom_i2c_probe’:
drivers/input/touchscreen/wacom_i2c.c:177:20: warning: ‘features.fw_version’
may be used uninitialized in this function [-Wmaybe-uninitialized]
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
With the new i.mx clock framework we should pass NULL as the keypad
clock name.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Adapt clock handling to the new i.mx clock framework and fix the following
warning:
input: imx-keypad as /devices/platform/imx-keypad/input/input0
------------[ cut here ]------------
WARNING: at drivers/clk/clk.c:511 __clk_enable+0x98/0xa8()
Modules linked in:
[<c001a680>] (unwind_backtrace+0x0/0xf4) from [<c002452c>] (warn_slowpath_commo)
[<c002452c>] (warn_slowpath_common+0x48/0x60) from [<c0024560>] (warn_slowpath_)
[<c0024560>] (warn_slowpath_null+0x1c/0x24) from [<c02c4ec4>] (__clk_enable+0x9)
[<c02c4ec4>] (__clk_enable+0x98/0xa8) from [<c02c4ef8>] (clk_enable+0x24/0x5c)
[<c02c4ef8>] (clk_enable+0x24/0x5c) from [<c027ac6c>] (imx_keypad_open+0x28/0xc)
[<c027ac6c>] (imx_keypad_open+0x28/0xc8) from [<c0274b14>] (input_open_device+0)
[<c0274b14>] (input_open_device+0x78/0xa8) from [<c01ec884>] (kbd_connect+0x60/)
[<c01ec884>] (kbd_connect+0x60/0x80) from [<c0273b94>] (input_attach_handler+0x)
[<c0273b94>] (input_attach_handler+0x220/0x258) from [<c02755d4>] (input_regist)
[<c02755d4>] (input_register_device+0x31c/0x390) from [<c038da1c>] (imx_keypad_)
[<c038da1c>] (imx_keypad_probe+0x2e4/0x3b8) from [<c020326c>] (platform_drv_pro)
[<c020326c>] (platform_drv_probe+0x18/0x1c) from [<c0201f64>] (driver_probe_dev)
[<c0201f64>] (driver_probe_device+0x84/0x210) from [<c020217c>] (__driver_attac)
[<c020217c>] (__driver_attach+0x8c/0x90) from [<c02008f8>] (bus_for_each_dev+0x)
[<c02008f8>] (bus_for_each_dev+0x68/0x90) from [<c0201064>] (bus_add_driver+0xa)
[<c0201064>] (bus_add_driver+0xa4/0x23c) from [<c020275c>] (driver_register+0x7)
[<c020275c>] (driver_register+0x78/0x12c) from [<c00087c0>] (do_one_initcall+0x)
[<c00087c0>] (do_one_initcall+0x34/0x188) from [<c04b9310>] (kernel_init+0xe4/0)
[<c04b9310>] (kernel_init+0xe4/0x1a8) from [<c0015bd8>] (kernel_thread_exit+0x0)
---[ end trace 1d550e891d03d7ce ]---
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Sebastian Zenker reported that driver swaps x and y samples when the
touchscreen leads are connected in accordance with the datasheet
specification. Transposed axis can be typically corrected by touch
screen calibration however this bug also negatively influences touch
pressure measurements.
Add an option to correct x and y axis.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Reported-and-tested-by: Sebastian Zenker <sebastian.zenker@gmx.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The USB TrackPoint name string contains a space at the trailing end that
can cause confusion/difficulty when creating udev rules. Example:
"Synaptics Inc. Composite TouchPad / TrackPoint (Stick) "
This patch removes the trailing space.
Signed-off-by: Bob Ross <pigiron@gmx.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Dmitry: I understand that I am a bit late to the party :) but I do not
agree with this change. Failure to create attributes is not sometihng
that user could cause (at least not easily) and thus would not be a
setup issue but something more severe. I believe we should fail
loading the driver so sysfs attribute breakage will be noticed as soon
as possible, instead of discovering it much much later in the process.
This reverts commit 639900380062ecd78ee8b265ea23929c565469b4.
Requested-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
The newly released HID protocol for win8 multitouch devices is capable
of transmitting more information about each touch. In particular, it
includes details useful for touch alignment. This patch completes the
MT protocol with the ABS_MT_TOOL_X/Y events, and documents how to map
win8 devices.
Cc: Stephane Chatty <chatty@enac.fr>
Cc: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Cc: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Chase Douglas <chase.douglas@canonical.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Since commit 1c6c69525b ("genirq: Reject bogus threaded irq requests")
threaded IRQs without a primary handler need to be requested with
IRQF_ONESHOT, otherwise the request will fail. This patch adds the
IRQF_ONESHOT to input drivers where it is missing. Not modified by
this patch are those drivers where the requested IRQ will always be a
nested IRQ (e.g. because it's part of an MFD), since for this special
case IRQF_ONESHOT is not required to be specified when requesting the
IRQ.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Another week, another batch of fixes.
All are small, contained, targeted fixes for explicit problems -- mostly
build and boot failures across i.MX, OMAP, Renesas/Shmobile and Samsung.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"Another week, another batch of fixes.
All are small, contained, targeted fixes for explicit problems --
mostly build and boot failures across i.MX, OMAP, Renesas/Shmobile and
Samsung."
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: imx6q: fix suspend regression caused by common clk migration
ARM: OMAP4470: Fix OMAP4470 boot failure
ARM: EXYNOS: Fix EXYNOS_DEV_DMA Kconfig entry
ARM: OMAP2+: nand: fix build error when CONFIG_MTD_ONENAND_OMAP2=n
ARM: shmobile: r8a7779: Route all interrupts to ARM
ARM: shmobile: kzm9d: use late init machine hook
ARM: shmobile: kzm9g: use late init machine hook
ARM: mach-shmobile: armadillo800eva: Use late init machine hook
ARM: SAMSUNG: Fix for S3C2412 EBI memory mapping
ARM: mach-shmobile: add missing GPIO IRQ configuration on mackerel
ARM: mach-shmobile: Fix build when SMP is enabled and EMEV2 is not enabled
ARM: shmobile: sh7372: bugfix: chclr_offset base
ARM: shmobile: sh73a0: bugfix: SY-DMAC number
ARM: SAMSUNG: Should check for IS_ERR(clk) instead of NULL
Fix kernel-doc warnings in printk.c: use correct parameter name.
Warning(kernel/printk.c:2429): No description found for parameter 'buf'
Warning(kernel/printk.c:2429): Excess function parameter 'line' description in 'kmsg_dump_get_buffer'
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fix kernel-doc warning. This struct member was removed in commit
875682648b89 ("irq: Remove irq_chip->release()") so remove its
associated kernel-doc entry also.
Warning(include/linux/irq.h:338): Excess struct/union/enum/typedef member 'release' description in 'irq_chip'
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Richard Weinberger <richard@nod.at>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When moving to common clk framework, the imx6q clks rom and mmdc_ch1_axi
get different on/off states than old clk driver, which breaks suspend
function. There might be a better way to manage these clocks, but let's
takes the old clk driver approach to fix the regression first.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
trivial fix to get omap4470 booting.
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Merge tag 'omap-fixes-for-v3.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
From Tony Lindgren:
"Here's one more regression fix that I missed earlier, and a
trivial fix to get omap4470 booting."
* tag 'omap-fixes-for-v3.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP4470: Fix OMAP4470 boot failure
ARM: OMAP2+: nand: fix build error when CONFIG_MTD_ONENAND_OMAP2=n
Pull ACPI & Power Management patches from Len Brown.
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
acpi_pad: fix power_saving thread deadlock
ACPI video: Still use ACPI backlight control if _DOS doesn't exist
ACPI, APEI, Avoid too much error reporting in runtime
ACPI: Add a quirk for "AMILO PRO V2030" to ignore the timer overriding
ACPI: Remove one board specific WARN when ignoring timer overriding
ACPI: Make acpi_skip_timer_override cover all source_irq==0 cases
ACPI, x86: fix Dell M6600 ACPI reboot regression via DMI
ACPI sysfs.c strlen fix
Here is a number of printk() fixes, specifically a few reported by the
crazy blog program that ships in SUSE releases (that's "boot log" and
not "web log", it predates the general "blog" terminology by many
years), and the restoration of the continuation line functionality
reported by Stephen and others. Yes, the changes seem a bit big this
late in the cycle, but I've been beating on them for a while now, and
Stephen has even optimized it a bit, so all looks good to me.
The other change in here is a Documentation update for the stable kernel
rules describing how some distro patches should be backported, to
hopefully drive a bit more response from the distros to the stable
kernel releases.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver Core fixes from Greg Kroah-Hartman:
"Here is a number of printk() fixes, specifically a few reported by the
crazy blog program that ships in SUSE releases (that's "boot log" and
not "web log", it predates the general "blog" terminology by many
years), and the restoration of the continuation line functionality
reported by Stephen and others. Yes, the changes seem a bit big this
late in the cycle, but I've been beating on them for a while now, and
Stephen has even optimized it a bit, so all looks good to me.
The other change in here is a Documentation update for the stable
kernel rules describing how some distro patches should be backported,
to hopefully drive a bit more response from the distros to the stable
kernel releases.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'driver-core-3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
printk: Optimize if statement logic where newline exists
printk: flush continuation lines immediately to console
syslog: fill buffer with more than a single message for SYSLOG_ACTION_READ
Revert "printk: return -EINVAL if the message len is bigger than the buf size"
printk: fix regression in SYSLOG_ACTION_CLEAR
stable: Allow merging of backports for serious user-visible performance issues
