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This updates the ads7846 touchscreen driver:
- to allow faster clocking (this driver doesn't push sample rates);
- bugfixes the conversion of spi_transfer to lists;
- some dma-unsafe command buffers are fixed.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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There's no need to have request_irq followed by set_irq_type.
Just use request_irq with the appropriate SA_TRIGGER flags.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Most of the reasons for keeping these separate before was due to hp690
discontig, and since we have a workaround for that now (abusing some shadow
space so everything is magically contiguous), there's no reason to keep the
targets separate.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This makes the SPI core and its users access transfers in the SPI message
structure as linked list not as an array, as discussed on LKML.
From: David Brownell <dbrownell@users.sourceforge.net>
Updates including doc, bugfixes to the list code, add
spi_message_add_tail(). Plus, initialize things _before_ grabbing the
locks in some cases (in case it grows more expensive). This also merges
some bitbang updates of mine that didn't yet make it into the mm tree.
Signed-off-by: Vitaly Wool <vwool@ru.mvista.com>
Signed-off-by: Dmitry Pervushin <dpervushin@gmail.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This updates the ads7864 driver to use the new "spi_driver" struct, and
includes some minor unrelated cleanup.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This is a driver for the ADS7846 touchscreen sensor, derived from
the corgi_ts and omap_ts drivers. Key differences from those two:
- Uses the new SPI framework (minimalist version)
- <linux/spi/ads7846.h> abstracts board-specific touchscreen info
- Sysfs attributes for the temperature and voltage sensors
- Uses fewer ARM-specific IRQ primitives
The temperature and voltage sensors show up in sysfs like this:
$ pwd
/sys/devices/platform/omap-uwire/spi2.0
$ ls
bus@ input:event0@ power/ temp1 vbatt
driver@ modalias temp0 vaux
$ cat modalias
ads7846
$ cat temp0
991
$ cat temp1
1177
$
So far only basic testing has been done. There's a fair amount of hardware
that uses this sensor, and which also runs Linux, which should eventually
be able to use this driver.
One portability note may be of special interest. It turns out that not all
SPI controllers are happy issuing requests that do things like "write 8 bit
command, read 12 bit response". Most of them seem happy to handle various
word sizes, so the issue isn't "12 bit response" but rather "different rx
and tx write sizes", despite that being a common MicroWire convention. So
this version of the driver no longer reads 12 bit native-endian words; it
reads 16-bit big-endian responses, then byteswaps them and shifts the
results to discard the noise.
Signed-off-by: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This allows us to eliminate the casts in the drivers, and eventually
remove the use of the device_driver function pointer methods for
platform device drivers.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
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Convert everyone who uses platform_bus_type to include
linux/platform_device.h.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
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In PM v1, all devices were called at SUSPEND_DISABLE level. Then
all devices were called at SUSPEND_SAVE_STATE level, and finally
SUSPEND_POWER_DOWN level. However, with PM v2, to maintain
compatibility for platform devices, I arranged for the PM v2
suspend/resume callbacks to call the old PM v1 suspend/resume
callbacks three times with each level in order so that existing
drivers continued to work.
Since this is obsolete infrastructure which is no longer necessary,
we can remove it. Here's an (untested) patch to do exactly that.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Input: convert drivers/input/touchscreen to dynamic input_dev allocation
This is required for input_dev sysfs integration
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Separate out the Sharp Zaurus c7x0 series specific code from the Corgi
Touchscreen driver. Use the new functions in corgi_lcd.c via sharpsl.h for
hsync handling and pass the IRQ as a platform device resource. Move a
function prototype into the w100fb header file where it belongs.
This enables the driver to be used by the Zaurus cxx00 series.
Signed-Off-by: Richard Purdie <rpurdie@rpsys.net>
Cc: Vojtech Pavlik <vojtech@suse.cz>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch moves the platform specific Sharp SL-C7x0 LCD code from the
w100fb driver into a more appropriate place and updates the Corgi code to
match the new w100fb driver.
It also updates the corgi touchscreen code to match the new simplified
interface available from w100fb.
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Corgi Touchscreen bugfix. If the PMU isn't running, the register needs to
be set to a sane value rather than reusing some random value.
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Clean up some Corgi Touchscreen logic and merge the repeat calls to
w100fb_blanking() in anticipation of the w100fb patch.
Fix a pm_message_t reference.
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The Corgi Touchscreen driver uses the PMU as an accurate timing source which
conflicts with its usage for performance monitoring. This patch allows it to
be shared with other users such as oprofile.
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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input core takes care of calling open and close methods
only when needed.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Also change del_timer to del_timer_sync in corgikbd and
add missing del_timer_sync to corgi_ts.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
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From: Dan Streetman <ddstreet@ieee.org>
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
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With this, the driver is tested to work properly.
From: Richard Koch <n1gp@hotmail.com>
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
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Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
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Elo IntelliTouch, AccuTouch and SecureTouch.
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
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to a 4:3 shape.
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
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Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
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From: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
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From: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
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Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
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instead of void.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
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add id_table to serio drivers to split initial matching
and probing routines for better sysfs integration and
to assist hotplug scripts in loading proper drivers.
Add serio_hotplug to notify userspace about new ports.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
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in device structure, add serio_get_drvdata/serio_put_drvdata
to access it.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
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nothing uses it anyway.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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- serio_dev -> serio_driver
- serio_[un]register_device -> serio_[un]register_driver
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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- h3600ts_interrupt, npower_button_handler and action_button_handler
should return irqreturn_t
- fix missing argument in h3600ts_process_packet call
- add MODULE_AUTHOR, MODULE_DESCRIPTION and MODULE_LICENSE
- small formatting changes
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rename to input_set_abs_params
- convert input_report_* macros into inline functions
- make use of set_abs_params in touchscreen drivers
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Kconfig cleanup megapatch from Nicolas Kaiser <nikai@nikai.net>.
modules.txt no longer exists, and the common wording used to refer to
it sucks. This is all by Nicolas Kaiser's: at Randy and Matthew's
request, "say M" changed to "choose M" (more sense for graphical front
ends, too).
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automatically as needed.
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Update the input and joystick drivers to the new IRQ API.
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value all the way from an interrupt handler to keyboard.c
that can display it.
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From: GertJan Spoelman <kl@gjs.cc>
OK, here is a new patch, I edited the old patch and took out the .ko's
so now the extension is trimmed instead.
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Makefiles no longer need to include Rules.make, which is currently an
empty file. This patch removes it from the drivers tree Makefiles.
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