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After commit b8a1a4cd5a98 ("i2c: Provide a temporary .probe_new()
call-back type"), all drivers being converted to .probe_new() and then
03c835f498b5 ("i2c: Switch .probe() to not take an id parameter") convert
back to (the new) .probe() to be able to eventually drop .probe_new() from
struct i2c_driver.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20230515205048.19561-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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.probe_new() doesn't get the i2c_device_id * parameter, so determine
that explicitly in the probe function.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20221118224540.619276-85-uwe@kleine-koenig.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The value returned by an i2c driver's remove function is mostly ignored.
(Only an error message is printed if the value is non-zero that the
error is ignored.)
So change the prototype of the remove function to return no value. This
way driver authors are not tempted to assume that passing an error to
the upper layer is a good idea. All drivers are adapted accordingly.
There is no intended change of behaviour, all callbacks were prepared to
return 0 before.
Reviewed-by: Peter Senna Tschudin <peter.senna@gmail.com>
Reviewed-by: Jeremy Kerr <jk@codeconstruct.com.au>
Reviewed-by: Benjamin Mugnier <benjamin.mugnier@foss.st.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Crt Mori <cmo@melexis.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Marek Behún <kabel@kernel.org> # for leds-turris-omnia
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Petr Machata <petrm@nvidia.com> # for mlxsw
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com> # for surface3_power
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> # for bmc150-accel-i2c + kxcjk-1013
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> # for media/* + staging/media/*
Acked-by: Miguel Ojeda <ojeda@kernel.org> # for auxdisplay/ht16k33 + auxdisplay/lcd2s
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com> # for versaclock5
Reviewed-by: Ajay Gupta <ajayg@nvidia.com> # for ucsi_ccg
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # for iio
Acked-by: Peter Rosin <peda@axentia.se> # for i2c-mux-*, max9860
Acked-by: Adrien Grassein <adrien.grassein@gmail.com> # for lontium-lt8912b
Reviewed-by: Jean Delvare <jdelvare@suse.de> # for hwmon, i2c-core and i2c/muxes
Acked-by: Corey Minyard <cminyard@mvista.com> # for IPMI
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com> # for drivers/power
Acked-by: Krzysztof Hałasa <khalasa@piap.pl>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
First set of IIO new device support, features and cleanup for 5.19
Usual mixed bag. Stand out this time is Andy Shevchenko's continuing
effort to move drivers over the generic firmware interfaces.
Device support
* sprd,sc2720
- upm9620 binding addition.
- Refactor and support for sc2720, sc2721 and sc2730.
* ti,ads1015
- Refactor driver and add support for TLA2024.
Device support (IDs only)
* invensense,mpu6050
- Add ID for ICM-20608-D.
* st,accel:
- Add ID for lis302dl.
* st,lsm6dsx
- Add support for ASM330LHHX (can fallback to LSM6DSR.)
Features
* convert drivers to device properties
- IIO core
- adi,ad7266
- adi,adis16480
- adi,adxl355
- bosch,bmi160
- domintech,dmard06
- fsl,fxas21002c
- invensense,mpu3050
- linear,ltc2983
- linear,ltc2632
- maxbotix,mb1232
- maxim,max31856
- maxim,max31865
- multiplexer
- ping
- rescale
- taos,tsl2772
* core
- Add runtime check on whether realbits fit in storagebits for each
channel.
* adi,ad_sigma_delta
- Add sequencer support and relevant update_scan_mode callbacks for
adi,ad7192 and adi,ad7124.
Cleanup and minor fixes
* MAINTAINERS
- Update Lorenzo Bianconi's email address for IIO drivers.
- Add entry for ad3552r and update maintainer in dt-binding doc.
* tree-wide
- Replace strtobool() with kstrtobool().
- Drop false OF dependencies.
* core
- Tidy up and document IIO modes.
- Take iio_buffer_enabled() out of header allowing current_mode to be
moved to the opaque structure.
- As all kfifo buffers use the same mode value, drop that parameter
and set it unconditionally.
- White space fixes and similar.
- Drop use of list iterator variable for
list_for_each_entry_continue_reverse and use list_prepare_entry to
restart.
* sysfs-trigger
- Replace use of 'found' variable with dedicate list iterator variable.
* adi,ad7124
- Drop misleading shift.
* adi,ad2s1210
- Remove redundant local variable assignment.
* adi,adis16480
- Use local device pointer to reduce repetition.
- Improve handling of clocks.
* domintech,dmard09
- White space.
* dummy driver
- Improve error handling.
* fsl,mma8452
- Add missing documentation of name element.
* invensense,mpu3050
- Stop remove() returning non 0.
* kionix,kxsd9
- White space.
* linear,ltc2688
- Use local variable for struct device.
- Combine of_node_put() error handling paths.
* linear,ltc2983
- Avoid use of constants in messages where a define is available.
* microchip,mcp4131
- Fix compatible in dt example.
* pni,rm3100
- Stop directly accessing iio_dev->current_mode just to find out
if the buffer is enabled.
* renesas,rzg2l
- Relax kconfig constraint to include newer devices.
* sprd,sc27xx
- Fix wrong scaling mask.
- Improve the calibration values.
* samsung,ssp
- Replace a 'found' variable in favor of an explicit value that was
found.
* sensortek,stk3xx
- Add proximity-near-level binding and driver support.
* st,st_sensors:
- Drop unused accel_type enum.
- Return early in *_write_raw()
- Drop unnecessary locking in _avail functions.
- Add local lock to protect odr against concurrent updates allowing
mlock to no longer be used outside of the core.
- Use iio_device_claim_direct_mode() rather than racy checking of
the current mode.
* st,stmpe-adc
- Fix checks on wait_for_completion_timeout().
- Allow use of of_device_id for matching.
* st,stm32-dfsdm
- Stop accessing iio_dev->current_mode to find out if the buffer
is enabled (so we can hide that variable in the opaque structure)
* st,vl53l0x
- Fix checks on wait_for_completion_timeout.
* ti,ads1015
- Add missing ID for ti,ads1115 in binding doc.
- Convert from repeated chip ID look up to selecting static const
data.
- Switch to read_avail() callback.
* ti,ads8688
- Use of_device_id for driver matching.
* ti,palmas-adc
- Drop a warning on minor calibration mismatch leading to slightly
negative values after applying the calibration.
* tag 'iio-for-5.19a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (95 commits)
iio: ti-ads8688: use of_device_id for OF matching
iio: stmpe-adc: use of_device_id for OF matching
dt-bindings: iio: Fix incorrect compatible strings in examples
iio: gyro: mpu3050: Make mpu3050_common_remove() return void
iio: dac: ltc2632: Make use of device properties
iio: temperature: max31865: Make use of device properties
iio: proximity: mb1232: Switch to use fwnode_irq_get()
iio: imu: adis16480: Improve getting the optional clocks
iio: imu: adis16480: Use temporary variable for struct device
iio: imu: adis16480: Make use of device properties
staging: iio: ad2s1210: remove redundant assignment to variable negative
iio: adc: sc27xx: add support for PMIC sc2730
iio: adc: sc27xx: add support for PMIC sc2720 and sc2721
iio: adc: sc27xx: refactor some functions for support more PMiCs
iio: adc: sc27xx: structure adjustment and optimization
iio: adc: sc27xx: Fine tune the scale calibration values
iio: adc: sc27xx: fix read big scale voltage not right
dt-bindings:iio:adc: add sprd,ump9620-adc dt-binding
iio: proximity: stk3310: Export near level property for proximity sensor
dt-bindings: iio: light: stk33xx: Add proximity-near-level
...
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strtobool() is deprecated and just a wrapper around kstrtobool().Replace
it with kstrtobool() so the deprecated function can be removed eventually.
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220409105812.2113895-1-lars@metafoo.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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read_raw should return the un-scaled value.
Fixes: 5e06bdfb46e8b ("staging:iio:dac:ad5446: Return cached value for 'raw' attribute")
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220406105620.1171340-1-michael.hennerich@analog.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The value returned by an spi driver's remove function is mostly ignored.
(Only an error message is printed if the value is non-zero that the
error is ignored.)
So change the prototype of the remove function to return no value. This
way driver authors are not tempted to assume that passing an error to
the upper layer is a good idea. All drivers are adapted accordingly.
There is no intended change of behaviour, all callbacks were prepared to
return 0 before.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Claudius Heine <ch@denx.de>
Acked-by: Stefan Schmidt <stefan@datenfreihafen.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # For MMC
Acked-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Acked-by: Łukasz Stelmach <l.stelmach@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220123175201.34839-6-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
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The shared parameter should be configurable based on its usage, and not
constrained to IIO_SHARED_BY_TYPE.
This patch aims to improve the flexibility in using the
IIO_ENUM_AVAILABLE define and avoid redefining custom iio enums that
expose the shared parameter.
An example is the ad5766.c driver where IIO_ENUM_AVAILABLE_SHARED was
defined in order to achieve `shared` parameter customization.
The current state of the IIO_ENUM_AVAILABLE implementation will imply
similar redefinitions each time a driver will require access to the
`shared` parameter. An example would be admv1013 driver which will
require custom device attribute for the frequency translation modes:
Quadrature I/Q mode and Intermediate Frequency mode.
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Link: https://lore.kernel.org/r/20211119085627.6348-1-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
First set of IIO fixes for the 5.16 cycle
As these are very late in the 5.15 cycle and non are particularly urgent,
they can wait for the merge window.
Key element in this set is Yang Yingliang has identified a number of
issues in error paths introduced recently when we added multiple
buffer support.
Other fixes:
* adi,ad5662
- Fix handling of i2c_master_send() return value.
* adi,ad5766
- Fix a wrong dt-property name that indicated wrong units and
did not mach the bindings.
- Associated 'fix' of the bindings example to have a possible scale.
* st,pressure-spi
- Add some missing entries to the spi_device_id table to ensure
auto-loading works.
* ti,tsc2046
- Fix a backwards comparison leading to a false dev_warn
* tag 'iio-fixes-for-5.16a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
iio: buffer: Fix memory leak in iio_buffers_alloc_sysfs_and_mask()
iio: adc: tsc2046: fix scan interval warning
iio: core: fix double free in iio_device_unregister_sysfs()
iio: core: check return value when calling dev_set_name()
iio: buffer: Fix memory leak in iio_buffer_register_legacy_sysfs_groups()
iio: buffer: Fix double-free in iio_buffers_alloc_sysfs_and_mask()
iio: buffer: Fix memory leak in __iio_buffer_alloc_sysfs_and_mask()
iio: buffer: check return value of kstrdup_const()
iio: dac: ad5446: Fix ad5622_write() return value
Documentation:devicetree:bindings:iio:dac: Fix val
drivers: iio: dac: ad5766: Fix dt property name
iio: st_pressure_spi: Add missing entries SPI to device ID table
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Up to now ad5446_remove() returns zero unconditionally. Make it return
void instead which makes it easier to see in the callers that there is
no error to handle.
Also the return value of i2c and spi remove callbacks is ignored anyway.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Link: https://lore.kernel.org/r/20211013203223.2694577-9-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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On success i2c_master_send() returns the number of bytes written. The
call from iio_write_channel_info(), however, expects the return value to
be zero on success.
This bug causes incorrect consumption of the sysfs buffer in
iio_write_channel_info(). When writing more than two characters to
out_voltage0_raw, the ad5446 write handler is called multiple times
causing unexpected behavior.
Fixes: 3ec36a2cf0d5 ("iio:ad5446: Add support for I2C based DACs")
Signed-off-by: Pekka Korpinen <pekka.korpinen@iki.fi>
Link: https://lore.kernel.org/r/20210929185755.2384-1-pekka.korpinen@iki.fi
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Update DAC drivers powerdown attribute show callback to use the new
sysfs_emit() function.
sysfs_emit() is preferred over raw s*printf() for sysfs attributes since it
knows about the sysfs buffer specifics and has some built-in sanity checks.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Link: https://lore.kernel.org/r/20210320071405.9347-5-lars@metafoo.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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These prevent use of this driver with ACPI via PRP0001 and are
an example of an anti pattern I'm trying to remove from IIO.
Hence drop them from this driver.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Michael Hennerich <michael.hennerich@analog.com>
Link: https://lore.kernel.org/r/20200910173242.621168-10-jic23@kernel.org
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kerneldocs
Fixes the following W=1 kernel build warning(s):
drivers/iio/dac/ad5446.c:48: warning: Function parameter or member 'dev' not described in 'ad5446_state'
drivers/iio/dac/ad5446.c:48: warning: Function parameter or member 'cached_val' not described in 'ad5446_state'
drivers/iio/dac/ad5446.c:48: warning: Function parameter or member 'pwr_down_mode' not described in 'ad5446_state'
drivers/iio/dac/ad5446.c:48: warning: Function parameter or member 'pwr_down' not described in 'ad5446_state'
drivers/iio/dac/ad5446.c:48: warning: Function parameter or member 'lock' not described in 'ad5446_state'
drivers/iio/dac/ad5446.c:323: warning: cannot understand function prototype: 'enum ad5446_supported_spi_device_ids '
drivers/iio/dac/ad5446.c:545: warning: cannot understand function prototype: 'enum ad5446_supported_i2c_device_ids '
Cc: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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These were obtained by doing a 'git diff | grep \/\*', in the previous diff
to find comments. These needed a bit more manual review, as the semantic
patch isn't great for catching these.
The result is:
/* Initialize Counter device and driver data */
/* Initialize IIO device */
/* Establish that the iio_dev is a child of the spi device */
/* Estabilish that the iio_dev is a child of the spi device */
/* Initiate the Industrial I/O device */
/* Establish that the iio_dev is a child of the device */
- /* establish that the iio_dev is a child of the i2c device */
- /* establish that the iio_dev is a child of the i2c device */
/* This is only used for removal purposes */
/* setup the industrialio driver allocated elements */
/* variant specific configuration */
/* Setup for userspace synchronous on demand sampling. */
st->readback_delay_us += 5; /* Add tWAIT */
- /* Establish that the iio_dev is a child of the i2c device */
/* Establish that the iio_dev is a child of the i2c device */
Out of which, 4 are really left-over comments about parent assignment.
3 of them are removed by the semantic patch, as the comment removed (by
spatch) would be for an empty line.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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This patch applies the semantic patch:
@@
expression I, P, SP;
@@
I = devm_iio_device_alloc(P, SP);
...
- I->dev.parent = P;
It updates 302 files and does 307 deletions.
This semantic patch also removes some comments like
'/* Establish that the iio_dev is a child of the i2c device */'
But this is is only done in case where the block is left empty.
The patch does not seem to cover all cases. It looks like in some cases a
different variable is used in some cases to assign the parent, but it
points to the same reference.
In other cases, the block covered by ... may be just too big to be covered
by the semantic patch.
However, this looks pretty good as well, as it does cover a big bulk of the
drivers that should remove the parent assignment.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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As part of the general cleanup of indio_dev->mlock, this change replaces
it with a local lock on the device's state structure.
Signed-off-by: Sergiu Cuciurean <sergiu.cuciurean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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This makes the driver code slightly easier to read.
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The AD5600 is a single channel, 16-bit resolution, voltage output digital
to analog converter (DAC). The AD5600 uses a 3-wire SPI interface. It is
part of the AD5541 family of DACs.
The ad5446 IIO driver implements support for some of these DACs (in the
AD5441 family), so the change is a simple entry in this driver.
Link: https://www.analog.com/media/en/technical-documentation/data-sheets/AD5600.pdf
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Based on 1 normalized pattern(s):
licensed under the gpl 2 or later
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 82 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190524100845.150836982@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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no functional changes
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The Texas Instruments DAC7512 has the exact same pinout, programming
interface and power-down modes as the Texas Instruments DAC121S101 and
Analog Devices AD5320, which are already supported by the IIO driver
ad5446.c. Remove the duplicate misc driver.
This requires user space to migrate to the standardized IIO sysfs ABI.
(In other words, it needs to change a filename.)
The IIO driver supports the chip's features more fully, e.g. the ability
to power down the output or choose one of the available powerdown modes.
There is an oddity with the misc driver in that it initializes the SPI
slave to SPI_MODE_0, in contradiction to the datasheet which specifies
that data is latched in on the falling edge, implying that SPI_MODE_1
or SPI_MODE_2 must be used. Another oddity is that Kconfig and the
MODULE_DESCRIPTION() claim the chip has 16-bit resolution although it
actually has 12-bit.
Datasheets:
http://www.ti.com/lit/ds/symlink/dac7512.pdf
http://www.ti.com/lit/ds/symlink/dac121s101.pdf
http://www.analog.com/media/en/technical-documentation/data-sheets/AD5320.pdf
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Acked-by: Daniel Mack <daniel@zonque.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The Texas Instruments DAC081S101, DAC101S101 and DAC121S101 have the
exact same pinout, programming interface and power-down modes as the
AD5300, AD5310 and AD5320, respectively, and their datasheets declare
them "a direct replacement" for the Analog Devices chips. This may
not be immediately obvious to a casual observer, so add them to the
supported modalias strings.
Datasheets:
http://www.ti.com/lit/ds/symlink/dac081s101.pdf
http://www.ti.com/lit/ds/symlink/dac101s101.pdf
http://www.ti.com/lit/ds/symlink/dac121s101.pdf
http://www.analog.com/media/en/technical-documentation/data-sheets/AD5300.pdf
http://www.analog.com/media/en/technical-documentation/data-sheets/AD5310.pdf
http://www.analog.com/media/en/technical-documentation/data-sheets/AD5320.pdf
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The equivalent of this is now done via macro magic when
the relevant register call is made. The actual structure
element will shortly go away.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
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An spi_driver does not need to set an owner, it will be populated by the
driver core.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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i2c_driver does not need to set an owner because i2c_register_driver()
will set it.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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IIO_ST is going away as it is a pain to maintain.
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
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Move the complexity of calculating the fixed point scale to the core.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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This patch adds support for the AD5641 single channel,
14-bit, buffered voltage output DAC.
Signed-off-by: Aida Mynzhasova <aida.mynzhasova@skitlab.ru>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Introduce an enum to specify whether the attribute is separate or
shared.
Factor out the bitmap handling for loop into a separate function.
Tidy up error handling and add a NULL assignment to squish a false
positive warning from GCC.
Change ext_info shared type from boolean to enum and update in all
drivers.
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
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devm_* APIs are device managed and make code simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The original info_mask is going away in favour of the broken out versions.
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging fixes from Greg Kroah-Hartman:
"Here are a number of small fixes to staging drivers for your 3.8-rc3
tree.
Well, the omapdrm fixes aren't really "small" but they were waiting on
a number of other drm patches to go in through the drm tree, and got
delayed by my vacation over the holidays. They are totally
self-contained, everyone involved have acked them, and they fix issues
that people have been having with the driver.
Other than that one, it's a bunch of tiny bugfixes for a number of
reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'staging-3.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (36 commits)
staging: zram: fix invalid memory references during disk write
staging: tidspbridge: use prepare/unprepare on dsp clocks
staging: tidspbridge: Fix build breakage due to splitting CM functions.
staging: comedi: comedi_test: fix race when cancelling command
staging: comedi: Kconfig: COMEDI_NI_AT_A2150 should select COMEDI_FC
staging: comedi: prevent auto-unconfig of manually configured devices
staging: comedi: fix minimum AO period for NI 625x and NI 628x
staging: vme_pio2: fix oops on module unloading
staging: speakup: avoid out-of-range access in synth_add()
staging: speakup: avoid out-of-range access in synth_init()
staging: rtl8192e: Fix failure to check pci_map_single()
staging: rtl8187se: Fix failure to check pci_map_single()
staging: drm/imx: fix double free bug in error path
staging: drm/imx: several bug fixes
staging: drm/imx: check return value of ipu_reset()
staging: drm/omap: fix flags in dma buf exporting
staging: drm/omap: use omapdss low level API
staging/fwserial: Update TODO file per reviewer comments
staging/fwserial: Limit tx/rx to 1394-2008 spec maximum
staging/fwserial: Refine Kconfig help text
...
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CONFIG_HOTPLUG is going away as an option. As a result, the __dev*
markings need to be removed.
This change removes the use of __devinit, __devexit_p, and __devexit
from these drivers.
Based on patches originally written by Bill Pemberton, but redone by me
in order to handle some of the coding style issues better, by hand.
Cc: Bill Pemberton <wfp5p@virginia.edu>
Cc: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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regulator_get_voltage() may return negative error code.
Add error checking to avoid setting error code to voltage_uv.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The ad5301/ad5311/ad5321 are software compatible to the ad5602/ad5612/ad5622.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The ad5300/ad5310/ad5320 is a family of single channel DACs with a SPI interface
similar to the ad5601/ad5611/ad5621 but use a different shift factor for the
data word.
While we are at it also reorder the device part numbers in the ad5446 driver
Kconfig to be ordered alphabetically.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Most of the defines in there were not even used, and the structs left are
private to the .c file. Makes the driver more in line with most of the
kernel drivers.
Signed-off-by: Jean-Francois Dagenais <jeff.dagenais@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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This patch adds support for I2C based single channel DACs to the ad5446
driver. Specifically AD5602, AD5612 and AD5622.
V1: from Lars-Peter Clausen <lars@metafoo.de>
V2: Split the device IDs into two enums and move them to the c file.
Signed-off-by: Jean-Francois Dagenais <jeff.dagenais@gmail.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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This patch adds support for the Analog Devices AD5450/51/52/53 Digital-to-Analog
converters.
The AD5452 and AD5453 are software compatible to the existing AD5444 and AD5446.
The AD5450 and AD5451 are similar but have a smaller resolution.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The IIO DAC drivers are in a reasonably good shape. They all make use of channel
spec and non of them provides non-documented sysfs attributes. Code style should
be OK as well, both checkpatch and coccicheck only report trivial issues.
So lets move the whole folder out of staging.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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