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2016-04-03iio: potentiometer: mcp4531: use pointer to access model parametersSlawomir Stepien1-7/+6
Use const pointer to element from model configuration array rather then array index, as it will not change anyway. Signed-off-by: Slawomir Stepien <sst@poczta.fm> Signed-off-by: Peter Rosin <peda@axentia.se> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-28staging: iio: convert bare unsigned usage to unsigned intAlison Schofield9-61/+61
Use kernel preferred unsigned int declaration style. Patch created using: git ls-files drivers/staging/iio | \ xargs ./scripts/checkpatch.pl -f --fix-inplace --types=unspecified_int Hand edits restored columns in structure definitions. Signed-off-by: Alison Schofield <amsfield22@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-28iio: st_sensors: simplify buffer address handlingLinus Walleij1-21/+7
The driver goes to some length to dynamically allocate an array to hold the channel addresses. However no ST sensor has more than three channels (x, y, z at most). Instead of kmalloc():ing and kfree():in the address array, just use a fixed array of three elements. Cc: Giuseppe Barba <giuseppe.barba@st.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-21iio: ina2xx-adc: update the CALIB. register when RShunt changesMarc Titinger1-15/+24
The user (or an init script) may setup RShunt via sysfs after the driver was initialized, for instance based on the EEPROM contents of a modular probe. The calibration register must be set accordingly. Signed-off-by: Marc Titinger <marc.titinger@baylibre.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20iio:magnetometer:ak8975: fix missing regulator_disableGregor Boirie1-18/+60
Ensure optional regulator is properly disabled when present. Fixes: 63d5d525cbbc ("iio:magnetometer:ak8975: power regulator support") Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20iio: light: tsl2563: Remove flush_scheduled_workAmitoj Kaur Chawla1-2/+1
flush_scheduled_work is scheduled for deprecation. Replace cancel_delayed_work and flush_scheduled_work with cancel_delayed_work_sync instead to ensure there is no pending or running work item. Since there is only one work item, chip->poweroff_work, there are no further dependencies of flush_scheduled_work(). Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20iio:pressure:ms5611: fix missing regulator_disableGregor Boirie2-9/+35
Ensure optional regulator is properly disabled when present. Fixes: 3145229f9191 ("iio:pressure:ms5611: power regulator support") Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20iio: imu: mpu6050: Fix name/chip_id when using ACPIDaniel Baluta1-3/+26
When using ACPI, id is NULL and the current code automatically defaults name to NULL and chip id to 0. We should instead use the data provided in the ACPI device table. Fixes: c816d9e7a57b ("iio: imu: mpu6050: fix possible NULL dereferences") Signed-off-by: Daniel Baluta <daniel.baluta@intel.com> Reviewed-By: Matt Ranostay <matt.ranostay@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20iio: adc: rockchip_saradc: add saradc support for rk3399David Wu2-1/+24
The ADC is a 6-channel signal-ended 10-bit Successive Approximation Register (SAR) A/D Converter. Signed-off-by: David Wu <david.wu@rock-chips.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20staging: iio: isl29028: use regmap to retrieve struct deviceAlison Schofield1-25/+30
Driver includes struct regmap and struct device in its global data. Remove the struct device and use regmap API to retrieve device info. Simplified version of Coccinelle semantic patch used: @ a @ identifier drvdata, r; position p; @@ struct drvdata@p { ... struct regmap *r; ... }; @ b @ identifier a.drvdata, d; position a.p; @@ struct drvdata@p { ... - struct device *d; ... }; @ passed depends on b @ identifier a.drvdata, a.r, b.d, i, f; @@ f (..., struct drvdata *i ,...) { + struct device *dev = regmap_get_device(i->r); <+... - i->d + dev ...+> } Signed-off-by: Alison Schofield <amsfield22@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20tools: iio: Update iio_event_monitor namesPeter Meerwald-Stadler1-0/+14
add recently added channel types and modifiers Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20iio: mma8452: use runtime pm instead of device specific autosleepMartin Kepplinger1-1/+1
What is this autosleep? ----------------------- It slows down the device after x seconds of inactivity. The thing is, we have really achieved almost the same by runtime pm. differnces are: autosleep * uses more power during inactivity * the first read after inactivity slightly faster * complicated to understand for the user * no documented sysfs interface (afaik) * complicated to read and maintain runtime pm * already merged in mma8452 * uses less power during inactivity * first read after inactivity slower * easy to use. well documented. * easy to maintain and understand The two approaches solve the same problem. runtime pm has more advantages than autosleep and comes quite close to it's behaviour anyways. As I see it, autosleep, even if somehow supported, would never be used anyways. So resolve this issue by "ignoring" autosleep. Signed-off-by: Martin Kepplinger <martink@posteo.de> Reviewed-by: Martina Kepplinger <martina.novakovic@zoho.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20iio: mma8452: add i2c_device_id for mma8451Martin Kepplinger1-0/+1
This was forgotten about and is added for consistency now Signed-off-by: Martin Kepplinger <martink@posteo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20iio: ABI: Fix typo in in_proximity_raw descriptionPeter Meerwald1-1/+1
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20MAINTAINERS: update pmeerw's namePeter Meerwald-Stadler1-1/+1
happily married for 4 month :) Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20dt: document NXP LPC1850 DAC driver bindingsJoachim Eastwood1-0/+20
Signed-off-by: Joachim Eastwood <manabian@gmail.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-12iio: dac: add NXP LPC18xx DAC driverJoachim Eastwood3-0/+221
Add base support for the 10-bit DAC peripheral found on NXP LPC18xx/43xx SoCs. This is a minimal driver that does not support DMA or interrupts. User manual with register description can be found on: LPC18xx: www.nxp.com/documents/user_manual/UM10430.pdf LPC43xx: www.nxp.com/documents/user_manual/UM10503.pdf Signed-off-by: Joachim Eastwood <manabian@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-12dt: document NXP LPC1850 ADC driver bindingsJoachim Eastwood1-0/+21
Signed-off-by: Joachim Eastwood <manabian@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-12iio: adc: add NXP LPC18xx ADC driverJoachim Eastwood3-0/+242
Add base support for the 10-bit SAR ADC peripheral found on NXP LPC18xx/43xx SoCs. This is a minimal driver that does not support burst mode, interrupts, DMA or hardware triggers. User manual with register description can be found on: LPC18xx: www.nxp.com/documents/user_manual/UM10430.pdf LPC43xx: www.nxp.com/documents/user_manual/UM10503.pdf Signed-off-by: Joachim Eastwood <manabian@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-12staging: iio: ad7192: use iio_device_{claim|release}_direct_mode()Alison Schofield1-18/+12
Replace the code that guarantees the device stays in direct mode with iio_device_{claim|release}_direct_mode() which does same. Signed-off-by: Alison Schofield <amsfield22@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-12iio: core: implement iio_device_{claim|release}_direct_mode()Alison Schofield2-0/+41
It is often the case that the driver wants to be sure a device stays in direct mode while it is executing a task or series of tasks. To accomplish this today, the driver performs this sequence: 1) take the device state lock, 2) verify it is not in a buffered mode, 3) execute some tasks, and 4) release that lock. This patch introduces a pair of helper functions that simplify these steps and make it more semantically expressive. iio_device_claim_direct_mode() If the device is not in any buffered mode it is guaranteed to stay that way until iio_release_direct_mode() is called. iio_device_release_direct_mode() Release the claim. Device is no longer guaranteed to stay in direct mode. Signed-off-by: Alison Schofield <amsfield22@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-12iio: mma8452: add support for FXLS8471QMartin Kepplinger3-2/+26
This adds support for Freescale's (now NXP's) FXLS8471Q accelerometer. We use MMA8451Q's configuration because for what the driver supports, FXLS8471Q is the same. Support for FXLS8471Q's features (fast SPI interface and a larger FIFO, among others) can be added to this driver anytime. See it's datasheet for the details: http://cache.nxp.com/files/sensors/doc/data_sheet/FXLS8471Q.pdf Signed-off-by: Martin Kepplinger <martink@posteo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-12iio: accel: Add support for the h3lis331dl accelerometerTiberiu Breana5-1/+99
This commit adds support for STMicroelectronics h3lis331dl high-g accelerometer. The datasheet for this device can be found here: http://www.st.com/web/en/resource/technical/document/ datasheet/DM00053090.pdf Signed-off-by: Tiberiu Breana <tiberiu.a.breana@intel.com> Reviewed-by: Denis Ciocca <denis.ciocca@st.com> Acked-by: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-10staging:iio:adis16220: Remove adis16220 driverLars-Peter Clausen4-648/+0
The ADIS16220 part has been obsoleted, which makes it hard to get the hardware to even test the driver. Considering this there is no expectation that the driver will be cleaned up and be able to move out of staging, so remove the driver. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-10staging:iio:adis16204: Remove adis16204 driverLars-Peter Clausen4-336/+0
The ADIS16204 part has been obsoleted, which makes it hard to get the hardware to even test the driver. Considering this there is no expectation that the driver will be cleaned up and be able to move out of staging, so remove the driver. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio: adc: Fix build error of missing devm_ioremap_resource on UMKrzysztof Kozlowski1-0/+1
The devres.o gets linked if HAS_IOMEM is present so on ARCH=um allyesconfig (COMPILE_TEST) failed with: drivers/built-in.o: In function `at91_adc_probe': at91-sama5d2_adc.c:(.text+0x48f548): undefined reference to `devm_ioremap_resource' Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio: imu: mpu6050: fix possible NULL dereferencesMatt Ranostay2-2/+4
Fix possible null dereferencing of i2c and spi driver data. Signed-off-by: Matt Ranostay <matt.ranostay@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio: mma8452: add support for runtime power managementMartin Kepplinger1-10/+108
This adds support for runtime power management and, if configured, activates automatic standby after 2 seconds of inactivity. Inactivity means no read of acceleration values and no events triggered or activated. If CONFIG_PM is not set, this doesn't change anything for existing users. Signed-off-by: Martin Kepplinger <martink@posteo.de> Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio: mma8452: avoid switching to active because of config changeMartin Kepplinger1-6/+29
The devices' config registers can only be changed in standby mode. Up until now the driver just held the device *always* active, so for changing a config it was *always* necessary to switch to standby. For upcoming support for runtime pm, the device can as well be in standby mode. Instead of putting runtime pm functions in there, just keep the device in standby if it already is. This section is protected by a lock after all. Signed-off-by: Martin Kepplinger <martink@posteo.de> Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio: mma8452: coding style fixesMartin Kepplinger1-4/+6
fix checkpatch issues like "space before tabs", too long lines or alignment. Signed-off-by: Martin Kepplinger <martink@posteo.de> Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio:magnetometer:ak8975: power regulator supportGregor Boirie2-0/+18
Add support for an optional regulator which, if found into device-tree, will power on device at probing time. The regulator is declared into ak8975 DTS entry as a "vdd-supply" property. Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio:magnetometer:ak8975: remove unused fieldGregor Boirie1-1/+0
Remove unused struct ak8975_data attrs field. Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio:magnetometer:ak8975: fix uninitialized chipsetGregor Boirie1-1/+4
ak_def_array bounds are not properly checked in case of ACPI matching failure. GCC warns with the following message at line 799: ‘chipset’ may be used uninitialized in this function. Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio:adc:at91-sama5d2: fix identationLudovic Desroches1-10/+10
Remove some extra tabs. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio:adc:at91-sama5d2: fix typoLudovic Desroches1-13/+13
Fix typo in the name of a macro. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio:pressure:ms5611: oversampling rate supportGregor Boirie4-23/+133
Add support for setting and retrieving OverSampling Rate independently for each of the temperature and pressure channels. This allows userspace to fine tune hardware sampling process according to the following tradeoffs : * the higher the OSR, the finer the resolution ; * the higher the OSR, the lower the noise ; BUT: * the higher the OSR, the larger the drift ; * the higher the OSR, the longer the response time, i.e. less samples per unit of time. Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio:pressure:ms5611: complete DT supportGrégor Boirie4-0/+46
Add device-tree ID tables and document bindings. Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio: potentiometer: tpl0102: change i2c functionality return codeMatt Ranostay1-1/+1
Change i2c_check_functionality condition check return from ENOTSUPP to EOPNOTSUPP which is now the standard return code. Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-04staging: wilc1000: use switch statement instead of multiple if statementChaehyun Lim1-7/+19
It is more readable than multiple if-else statement. Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-04staging: wilc1000: remove unnecessary commentsChaehyun Lim1-9/+9
This patch removes unnecessary comments because enum cfg_cmd_type shows each command type without it. Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-04staging: wilc1000: add enum cfg_type_cmdChaehyun Lim1-9/+16
This patch adds a new enum cfg_type_cmd to change hard-coded command type. Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-04staging: wilc1000: rename hardwareProductVersion in struct wilc_mac_cfgChaehyun Lim1-2/+2
This patch renames hardwareProductVersion to hw_product_version to avoid camelcase. Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-04staging: wilc1000: remove commented codesChaehyun Lim1-3/+0
This patch removes commented codes in struct wilc_cfg_str. Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-04staging: wilc1000: use TAG_PARAM_OFFSET defineChaehyun Lim1-8/+4
TAG_PARAM_OFFSET is defined at top of this file so that it is used to simplify codes. Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-04staging: wilc1000: Remove a whitespace before parenthesisAnchal Jain1-1/+1
Remove a whitespace before parenthesis "(" Signed-off-by: Anchal Jain <anchalj109@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-04staging: wilc1000: remove typedef from enum tenuConnectStsChaehyun Lim1-2/+2
This patch removes typedef from enum tenuConnectSts and renames it to connect_status to avoid camelcase. Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-04staging: wilc1000: remove unused defineChaehyun Lim1-2/+0
This patch removes INFINITE_SLEEP_TIME that is not used in the driver, so just remove it. Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-04staging: wilc1000: remove typedef from sdio_cmd53_tChaehyun Lim2-7/+7
This patch removes typedef from struct sdio_cmd53_t and renames it to sdio_cmd53. Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-04staging: wilc1000: remove unnecessary comment codesChaehyun Lim1-2/+0
This patch removes unnecessary comment code in struct sdio_cmd53_t. Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-04staging: wilc1000: remove typedef from struct sdio_cmd52_tChaehyun Lim2-15/+15
This patch removes typedef from struct sdio_cmd52_t and renames it to sdio_cmd52. Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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