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* iio: mma8452: Use correct acceleration units.Martin Fuzzey2014-07-121-1/+7
| | | | | | | | | | | | | | | The userspace interface for acceleration sensors is documented as using m/s^2 units [Documentation/ABI/testing/sysfs-bus-iio] The fullscale raw value for the mma8452 (-2048) corresponds to -2G, -4G or -8G depending on the seleted mode. The scale table was converting to G rather than m/s^2. Change the scaling table to match the documented interface. Signed-off-by: Martin Fuzzey <mfuzzey@parkeon.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Cc: stable@vger.kernel.org
* iio:core: Handle error when mask type is not separateSrinivas Pandruvada2014-07-111-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | When event spec is shared by multiple channels, which has definition for mask_shared_by_type, iio_device_register_eventset fails. For example: static const struct iio_event_spec iio_dummy_events[] = { { .type = IIO_EV_TYPE_THRESH, .dir = IIO_EV_DIR_RISING, .mask_separate = BIT(IIO_EV_INFO_ENABLE), .mask_shared_by_type = BIT(IIO_EV_INFO_VALUE), }, { .type = IIO_EV_TYPE_THRESH, .dir = IIO_EV_DIR_FALLING, .mask_separate = BIT(IIO_EV_INFO_ENABLE),a .mask_shared_by_type = BIT(IIO_EV_INFO_VALUE), } }; If two channels use this event spec, this will result in error. This change handles EBUSY error similar to iio_device_add_info_mask_type(). Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Cc: Stable@vger.kernel.org
* iio: ti_am335x_adc: Fix: Use same step id at FIFOs both endsJan Kardell2014-07-081-1/+1
| | | | | | | | | | | | Since AI lines could be selected at will (linux-3.11) the sending and receiving ends of the FIFO does not agree about what step is used for a line. It only works if the last lines are used, like 5,6,7, and fails if ie 2,4,6 is selected in DT. Signed-off-by: Jan Kardell <jan.kardell@telliq.com> Tested-by: Zubair Lutfullah <zubair.lutfullah@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Cc: stable@vger.kernel.org
* iio:tcs3472: Check for buffer enabled and lockingPeter Meerwald2014-07-071-1/+10
| | | | | Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: hid-sensor-prox: Fix return valuesSachin Kamat2014-07-051-5/+2
| | | | | | | | | | | | IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored the actual return values (which could be -EINVAL) and instead returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO upon success. Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com> Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: hid-sensor-gyro-3d: Fix return valuesSachin Kamat2014-07-051-5/+2
| | | | | | | | | | | | IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored the actual return values (which could be -EINVAL) and instead returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO upon success. Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com> Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: hid-sensor-als: Fix return valuesSachin Kamat2014-07-051-5/+2
| | | | | | | | | | | | IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored the actual return values (which could be -EINVAL) and instead returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO upon success. Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com> Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: hid-sensor-magn-3d: Fix return valuesSachin Kamat2014-07-051-5/+2
| | | | | | | | | | | | IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored the actual return values (which could be -EINVAL) and instead returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO upon success. Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com> Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: hid-sensor-accel-3d: Fix return valuesSachin Kamat2014-07-051-5/+2
| | | | | | | | | | | | IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored the actual return values (which could be -EINVAL) and instead returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO upon success. Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com> Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: hid-sensor-press: Fix return valuesSachin Kamat2014-07-051-5/+2
| | | | | | | | | | | | | | IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored the actual return values (which could be -EINVAL) and instead returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO upon success. Agreed with by Srinivas. Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com> Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: of_iio_channel_get_by_name() returns non-null pointers for error legsAdam Thomson2014-06-211-2/+4
| | | | | | | | | | | | | Currently in the inkern.c code for IIO framework, the function of_iio_channel_get_by_name() will return a non-NULL pointer when it cannot find a channel using of_iio_channel_get() and when it tries to search for 'io-channel-ranges' property and fails. This is incorrect behaviour as the function which calls this expects a NULL pointer for failure. This patch rectifies the issue. Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Cc: Stable@vger.kernel.org
* iio:adc:ad799x: Fix reading and writing of event values, apply shiftPeter Meerwald2014-06-211-2/+6
| | | | | | | | | | | | last two bits of ADC and limit values are zero and should not be reported (ad7993, ad7997); compare with read_raw() event values are 10 (ad7993, ad7997) or 12 bit max., check the range on write Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: Stable@vger.kernel.org Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* Merge tag 'iio-fixes-for-3.16a' of ↵Greg Kroah-Hartman2014-06-186-21/+18
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus Jonathan writes: First set of IIO fixes for the 3.16 cycle. A mixed bag of fixes, many of which feel just to late for 3.15. * hid sensors - some devices need a feature report request in order to change power state. This isn't part of the spec, but has been observed on several devices and does no harm to others. * mpl3115 has had two errors in the buffer description fixed. The presure is signed, not unsigned and the temperature has 12 bits rather than 16. These could lead to incorrect interpretation of the data in userspace. * tsl2x7x - the high byte of the proximity thresholds should be written along with the low byte (which was). This could lead to interesting results with large thresholds. * twl4030 - a flag to specify processed values were required was not set when initializing a reading. As such values returned were in an unknown state. Fixed by simply initializing it appropriately. * IIO_SIMPLE_DUMMY_BUFFER did not select IIO_BUFFER leading to randconfig build errors. * ak8975 was applying an unwanted le16_to_cpu conversion as the i2c framework already performs one. As such for big endian systems, the bytes would be in the wrong order in the magnetic field measurements reported. * mxs-lradc - the controllable voltage dividers were not enabled / disabled for later channels than the first one during conversion. * at91_adc error handling returned -ENOMEM in a u8. Return value of at91_adc_get_trigger_value_by_name changed to int thus allowing -ENOMEM and also original values to be returned. * mcb - mcb_request_mem returns and ERR_PTR but the caller was checking for NULL to detect an error.
| * iio: adc: checking for NULL instead of IS_ERR() in probeDan Carpenter2014-06-141-2/+2
| | | | | | | | | | | | | | | | | | mcb_request_mem() returns an ERR_PTR(), it doesn't return NULL. Fixes: 74aeac4da66f ('iio: adc: Add MEN 16z188 ADC driver') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Cc: Stable@vger.kernel.org
| * iio: adc: at91: signedness bug in at91_adc_get_trigger_value_by_name()Dan Carpenter2014-06-141-8/+8
| | | | | | | | | | | | | | | | | | | | | | | | at91_adc_get_trigger_value_by_name() was returning -ENOMEM truncated to a positive u8 and that doesn't work. I've changed it to int and refactored it to preserve the error code. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Tested-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Cc: Stable@vger.kernel.org
| * iio: Fix endianness issue in ak8975_read_axis()Peter Meerwald2014-06-071-8/+1
| | | | | | | | | | | | | | | | | | i2c_smbus_read_word_data() does host endian conversion already, no need for le16_to_cpu() Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Cc: Stable@vger.kernel.org
| * twl4030-madc: Request processed values in twl4030_get_madc_conversionPaul Kocialkowski2014-06-021-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | Not setting the raw parameter in the request causes it to be randomly initialized to a value that might be different from zero or zero. This leads to values that are randomly either raw or processed, making it very difficult to make reliable use of the values. Cc: Stable@vger.kernel.org Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Acked-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: Fix two mpl3115 issues in measurement conversionPeter Meerwald2014-05-291-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (i) pressure is 20-bit unsigned, not signed; the buffer description is incorrect; for raw reads, this is just cosmetic (ii) temperature is 12-bit signed, not 16-bit; this affects readout of temperatures below zero as the sign bit is incorrectly processed reported via private mail Cc: stable@vger.kernel.org Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Reported-by: Robert Deliën <robert@delien.nl> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: hid-sensors: Get feature report from sensor hub after changing power stateArchana Patni2014-05-291-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Some sensor hubs require a get feature report call to be issued soon after changing the power state of the sensor. Without this, the sensor remains in the current state. This patch adds a call soon after the power state. This is retained as a generic call across all sensor hubs since the behavior has been noticed on more than one implementation. Signed-off-by: Archana Patni <archana.patni@intel.com> Signed-off-by: Subramony Sesha <subramony.sesha@intel.com> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* | Merge tag 'staging-3.16-rc1' of ↵Linus Torvalds2014-06-0351-240/+3249
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging into next Pull staging driver updates from Greg KH: "Here is the big staging driver pull request for 3.16-rc1. Lots of stuff here, tons of cleanup patches, a few new drivers, and some removed as well, but I think we are still adding a few thousand more lines than we remove, due to the new drivers being bigger than the ones deleted. One notible bit of work did stand out, Jes Sorensen has gone on a tear, fixing up a wireless driver to be "more sane" than it originally was from the vendor, with over 500 patches merged here. Good stuff, and a number of users laptops are better off for it. All of this has been in linux-next for a while" * tag 'staging-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1703 commits) staging: skein: fix sparse warning for static declarations staging/mt29f_spinand: coding style fixes staging: silicom: fix sparse warning for static variable staging: lustre: Fix coding style staging: android: binder.c: Use more appropriate functions for euid retrieval staging: lustre: fix integer as NULL pointer warnings Revert "staging: dgap: remove unneeded kfree() in dgap_tty_register_ports()" Staging: rtl8192u: r8192U_wx.c Fixed a misplaced brace staging: ion: shrink highmem pages on kswapd staging: ion: use compound pages on high order pages for system heap staging: ion: remove struct ion_page_pool_item staging: ion: simplify ion_page_pool_total() staging: ion: tidy up a bit staging: rtl8723au: Remove redundant casting in usb_ops_linux.c staging: rtl8723au: Remove redundant casting in rtl8723a_hal_init.c staging: rtl8723au: Remove redundant casting in rtw_xmit.c staging: rtl8723au: Remove redundant casting in rtw_wlan_util.c staging: rtl8723au: Remove redundant casting in rtw_sta_mgt.c staging: rtl8723au: Remove redundant casting in rtw_recv.c staging: rtl8723au: Remove redundant casting in rtw_mlme.c ...
| * \ Merge tag 'iio-for-3.16c' of ↵Greg Kroah-Hartman2014-05-254-11/+26
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next Jonathan writes: Third round of new stuff for IIO in the 3.16 cycle. This (rather late) set consists only of fixes to patches earlier in the cycle or minor fixes for other problems (such as randconfig build issues picked up by Arnd). I've included the general minor fixes here as it is very late in the current cycle and they can all wait for the merge window. * Recent change to hid-sensors introduced a possible infinite loop due to a typo. In the same series, a report interval unit read was added but in the case where the hardware doesn't support it a value of 0 would lead to some nasty issues. The patch sets it to the specified default of msecs. * Anon inodes were used by IIO without being explicitly selected. This has been true for a long time so it clearly only effects rather unusual configurations (rand configs) * at91 requires the input subsytem but this wasn't explicity in the Kconfig. * A couple of parts supported by the max1363 driver were using the wrong iio_chan_spec arrays and hence would missreport their bit depths. This has been there a long time and was never right so isn't a regression.
| | * | iio:adc:max1363 incorrect resolutions for max11604, max11605, max11610 and ↵Jonathan Cameron2014-05-251-8/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | max11611. Cc: Stable@vger.kernel.org> Reported-by: Erik Habbinga <Erik.Habbinga@schneider-electric.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Acked-by: Hartmut Knaack <knaack.h@gmx.de>
| | * | iio: hid-sensors: Set default unit of measure for report intervalArchana Patni2014-05-101-2/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For PROP_REPORT_INTERVAL, the spec does not mandate the presence of the report interval unit in the feature report and expects the default unit of measure to be used as milliseconds. Currently, when the unit is not present, it gets set as zero leading to issues in sampling frequency. This patch sets the unit of measure to the default unit if it is not defined by firmware. Signed-off-by: Archana Patni <archana.patni@intel.com> Signed-off-by: Subramony Sesha <subramony.sesha@intel.com> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| | * | iio:adc: at91 requires the input subsystemArnd Bergmann2014-05-101-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Building the at91 adc driver with CONFIG_INPUT disabled results in this build error: ERROR: "input_event" [drivers/iio/adc/at91_adc.ko] undefined! ERROR: "input_unregister_device" [drivers/iio/adc/at91_adc.ko] undefined! ERROR: "input_free_device" [drivers/iio/adc/at91_adc.ko] undefined! ERROR: "input_register_device" [drivers/iio/adc/at91_adc.ko] undefined! ERROR: "input_set_abs_params" [drivers/iio/adc/at91_adc.ko] undefined! ERROR: "input_allocate_device" [drivers/iio/adc/at91_adc.ko] undefined! To make sure we can build random configurations, this adds a Kconfig dependency on CONFIG_INPUT, as we do for other similar drivers. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: linux-iio@vger.kernel.org Cc: Josh Wu <josh.wu@atmel.com> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| | * | iio: always select ANON_INODESArnd Bergmann2014-05-101-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Without ANON_INODES, we get this build error: drivers/built-in.o: In function `iio_event_getfd': :(.text+0x14bf18): undefined reference to `anon_inode_getfd' All other users explicitly select this symbol, so we should do the same thing here. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Jonathan Cameron <jic23@kernel.org> Cc: linux-iio@vger.kernel.org Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| | * | iio: hid-sensors: typo leads to potential forever loopDan Carpenter2014-05-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The "i < " was missing in this condition. Fixes: 5d02edfc3957 ('iio: hid-sensors: Convert units and exponent') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | | Merge 3.15-rc6 into staging-next.Greg Kroah-Hartman2014-05-223-7/+10
| |\ \ \ | | |/ / | |/| / | | |/ | | | | | | | | | | | | This resolves the conflicts in the files: drivers/iio/adc/Kconfig drivers/staging/rtl8723au/os_dep/usb_ops_linux.c Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | iio: hid-sensors: Pressure: Raw read supportSrinivas Pandruvada2014-05-051-2/+15
| | | | | | | | | | | | | | | | | | | | | | | | Added support for raw reading of channel. If the sensor is powered off, it will turn on for reading value. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio: hid-sensors: Inclinometer 3D: Raw read supportSrinivas Pandruvada2014-05-051-0/+13
| | | | | | | | | | | | | | | | | | | | | | | | Added support for raw reading of channel. If the sensor is powered off, it will turn on for reading value. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio: hid-sensors: Compass 3D: Raw read supportSrinivas Pandruvada2014-05-051-0/+16
| | | | | | | | | | | | | | | | | | | | | | | | Added support for raw reading of channel. If the sensor is powered off, it will turn on for reading value Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio: hid-sensors: Proximity: Raw read supportSrinivas Pandruvada2014-05-051-2/+16
| | | | | | | | | | | | | | | | | | | | | | | | Added support for raw reading of channel. If the sensor is powered off, it will turn on for reading value. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio: hid-sensors: ALS: Raw read supportSrinivas Pandruvada2014-05-051-5/+19
| | | | | | | | | | | | | | | | | | | | | | | | Added support for raw reading of channel. If the sensor is powered off, it will turn on for reading value. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio: hid-sensors: Gyro 3D: Raw read supportSrinivas Pandruvada2014-05-051-3/+18
| | | | | | | | | | | | | | | | | | | | | | | | Added support for raw reading of channel. If the sensor is powered off, it will turn on for reading value. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio: hid-sensors: Accelerometer 3D: Raw read supportSrinivas Pandruvada2014-05-051-3/+18
| | | | | | | | | | | | | | | | | | | | | | | | Added support for raw reading of channel. If the sensor is powered off, it will turn on for reading value. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio: hid-sensors: Add API to power on/offSrinivas Pandruvada2014-05-0510-37/+38
| | | | | | | | | | | | | | | | | | | | | | | | | | | Added an API to allow client drivers to turn ON and OFF sensors for quick read. Added data_read as counting varaible instead of boolean, so that sensor is powered off only when last user released it. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio: hid-sensors: Pressure: adjust scale and offsetSrinivas Pandruvada2014-05-051-4/+13
| | | | | | | | | | | | | | | | | | | | | | | | Using units and unit exponent to calculate scale which is compliant to IIO ABI. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio: hid-sensors: Inclinometer 3D: adjust scale and offsetSrinivas Pandruvada2014-05-051-4/+13
| | | | | | | | | | | | | | | | | | | | | | | | Using units and unit exponent to calculate scale which is compliant to IIO ABI. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio: hid-sensors: Compass 3D: adjust scale and offsetSrinivas Pandruvada2014-05-051-4/+13
| | | | | | | | | | | | | | | | | | | | | | | | Using units and unit exponent to calculate scale which is compliant to IIO ABI. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio: hid-sensors: ALS: adjust scale and offsetSrinivas Pandruvada2014-05-051-4/+13
| | | | | | | | | | | | | | | | | | | | | | | | Using units and unit exponent to calculate scale which is compliant to IIO ABI. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio: hid-sensors: Gyro 3D : adjust scale and offsetSrinivas Pandruvada2014-05-051-4/+13
| | | | | | | | | | | | | | | | | | | | | | | | Using units and unit exponent to calculate scale which is compliant to IIO ABI. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio: hid-sensors: Accelerometer 3D: adjust scale and offsetSrinivas Pandruvada2014-05-051-4/+13
| | | | | | | | | | | | | | | | | | | | | | | | Using units and unit exponent to calculate scale which is compliant to IIO ABI. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio: hid-sensors: Add api to get poll valueSrinivas Pandruvada2014-05-051-0/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | Added interface to get poll value in milli-seconds. This value is changed by changing sampling frequency. This API allows clients to wait for at least some poll milli seconds before reading a new sample. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio: hid-sensors: Convert units and exponentSrinivas Pandruvada2014-05-051-0/+114
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | HID sensor hub specify a default unit and alternative units. This along with unit exponent can be used adjust scale. This change change HID sensor data units to IIO defined units for each sensor type. So in this way user space can use a simply use: "(data + offset) * scale" to get final result. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio: Add Freescale MMA8452Q 3-axis accelerometer driverPeter Meerwald2014-05-033-0/+452
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 3-axis accelerometer sensor (2/4/8 g) with 12-bit resolution and I2C interface many extra features are unsupported (freefall detection, orientation change, autosleep) datasheet is here: http://cache.freescale.com/files/sensors/doc/data_sheet/MMA8452Q.pdf v2: (thanks to Jonathan Cameron) * use ARRAY_SIZE() Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio: ak8975: Fix issue with the nameSrinivas Pandruvada2014-05-031-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixing issue caused by clash of two patches, one adding a name with the acpi enumeration patch. 54ab3e24 Beomho Seo 2014-04-02 @572 indio_dev->name = id->name; d913971e Srinivas Pandruvada 2014-03-19 574 indio_dev->name = name; The name added by commit 54ab3e24 is not required as this is already added by taking care of case where id is NULL. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio: Fix spelling of illuminance in gp2ap020a00f driverPeter Meerwald2014-05-031-4/+4
| | | | | | | | | | | | | | | | | | Cc: Jacek Anaszewski <j.anaszewski@samsung.com> Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio: Add Melexis mlx90614 contact-less infrared temperature sensor driverPeter Meerwald2014-05-033-0/+161
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I2C-controlled sensor measures ambient and object temperatuer see http://www.melexis.com/Infrared-Thermometer-Sensors/Infrared-Thermometer-Sensors/MLX90614-615.aspx Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio: Add TEMP_AMBIENT and TEMP_OBJECT channel modifiersPeter Meerwald2014-05-031-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | useful for contactless temperature sensors to distinguish between the ambient temperature and the temperature of the object Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio: Add Freescale MPL115A2 pressure / temperature sensor driverPeter Meerwald2014-05-033-0/+222
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I2C-controlled sensor with 10-bit pressure and temperature measurement datasheet: http://cache.freescale.com/files/sensors/doc/data_sheet/MPL3115A2.pdf v2: * use devm_iio_device_register() Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * | iio:magnetometer:mag3110: Enable user offset calibrationPeter Meerwald2014-05-031-2/+15
| | | | | | | | | | | | | | | | | | | | | add IIO_CHAN_INFO_CALIBBIAS Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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