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2014-06-14staging:iio: Fix mention of INDIO_RING_TRIGGERED to INDIO_BUFFER_TRIGGEREDPeter Meerwald
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-06-14staging:iio: Fix iio_utils.h function prototypesPeter Meerwald
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-06-14staging:iio: Update iio_event_monitor programPeter Meerwald
add types recently added Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-06-14iio: Move documentation of iio-trig-sysfs to ABI/testingPeter Meerwald
iio-trig-sysfs has left staging with commit e64e7d5c Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-06-14iio:adc:ad7298: Use BIT() and GENMASK() macrosPeter Meerwald
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-06-14iio:adc:ad7476: Use GENMASK() macroPeter Meerwald
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-06-14iio:adc:ad7887: Use BIT() and GENMASK() macrosPeter Meerwald
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-06-14iio:adc:ad5504: Use BIT() and GENMASK() macrosPeter Meerwald
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-06-14iio:adc:ad5791: Use BIT() and GENMASK() macrosPeter Meerwald
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-06-14iio:adc:ad799x: Fix ad799x_chip_info kerneldocPeter Meerwald
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-06-14iio: Add t5403 barometric pressure sensor driverPeter Meerwald
16-bit pressure and temperature sensor the chip can do I2C and SPI, only the I2C interface is supported by the driver at the moment datasheet: http://www.epcos.com/inf/57/ds/T5400.pdf application note: http://www.epcos.com/blob/993154/download/1/t5403-applicationnote.pdf an out-of-tree driver targetting the input subsystem is at https://github.com/unixphere/t5400, it was rejected here: http://comments.gmane.org/gmane.linux.kernel.input/28107 v2: (thanks Hartmut Knaack) * fix MODE_HIGH, equals 2 * check INT_TIME mask in write_raw() Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: Stefan Nilsson <stefan.nilsson@unixphere.com> Reviewed-by: Hartmut Knaack <knaack.h@gmx.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-05-29iio: Add ABI documentation for proximityPeter Meerwald
has been in use for a long time, but never documented proximity is unit-less, except otherwise stated, see e.g. the as3935 driver where it is meter Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-05-25fix format string missmatch in staging/iio/Documentation/iio_utils.hToralf Förster
spotted by cppcheck Signed-off-by: Toralf Förster <toralf.foerster@gmx.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-05-25iio:adc:max1363 incorrect resolutions for max11604, max11605, max11610 and ↵Jonathan Cameron
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>
2014-05-10iio: hid-sensors: Set default unit of measure for report intervalArchana Patni
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>
2014-05-10iio:adc: at91 requires the input subsystemArnd Bergmann
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>
2014-05-10iio: always select ANON_INODESArnd Bergmann
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>
2014-05-10iio: hid-sensors: typo leads to potential forever loopDan Carpenter
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>
2014-05-06Merge branch 'imx-drm-fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm ↵Greg Kroah-Hartman
into staging-next imx-drm fixes from Russell
2014-05-05Merge tag 'iio-for-3.16b' of ↵Greg Kroah-Hartman
git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next Jonathan writes: Second set of IIO new drivers, cleanups and functionality for the 3.16 cycle. This set contains a change to the ABI for the hid-sensors drivers to bring them in line with the long published documentation. Unfortunately, rather than reporting true scale and offset values via sysfs they were reporting some magic numbers that could only be converted to anything useful using the HID sensors specification. I missed this entirely through the introduction of a number of drivers, only picking up on it recently. Srinivas has had user feedback about this as well. The patch set is too large to go as a fix at this stage in the cycle and is not a regression fix as this was never right and so will have to wait for the next merge window. Srinivas assures me that there are relatively few pieces of hardware out there and he has had a number of people contact him to point out that the drivers did not obey the ABI. Hence hopefully the fallout of this, if any will be minor. If we don't fix it now, it will only get worse going forward. There is no sensible way of maintaining the incorrect ABI as it is simply returning the wrong values through the standard interfaces. Non IIO elements * Introduce devm_kmemdup. Does what it says on the tin. New drivers: * hid-sensors rotation devices (output as quaternion) * Freescale MPL115A2 presure and temperature sensor. * Melexis mlx90614 contactless infrared sensor. * Freescale MMA8452Q 3-axis accelerometer. New functionality: * Addition of multiple element callback to allow for sysfs interfaces to access elements such as quaternions which have no useful meaning if all 4 elements are not presented together. Other future usecases for this include rotation matrices. * Support for multiple element buffer entries for exactly the same uses as the sysfs related elements described above. * Quaternion support via the quaternion IIO modifier. * TEMP_AMBIENT and TEMP_OBJECT modifiers to distinguish cases with thermopile devices. * hid-sensors gain sysfs access to the sensor readings. Previously these drivers used the buffered interface only. This change involves some additional hid-sensors core support to read poll values back from the devices to allow the drivers to know roughly how long to wait for a result when polling the sensor. There is also an associated hid-sensors abi to allow the devices to be turned off between reads and powered up on demand. Cleanups and fixes * Hid sensors fix as described above. Result is to make the _scale and _offset attributes applicable in the same way as for all other IIO drivers. * Some additional documentation - mostly covering stuff that graduated from staging without managing to take it's ABI docs with it. * A series of little tidy ups to the exynos_adc driver that make the code nicer to read and improve handling of some corner cases. * A tidy up to mag3110 (logical fix rather than a real one ;). Also enable user offset calibration for this device. * Drop some left over IS_ERR() checks from ad799x that snuck through during the cleanup in the last IIO patch set. * Fix a naming issue from clashing patches in ak8975 - note the clash only occured in the last IIO patch set, hence the fix needs to go through this tree. * A format string missmatch fix in ad7280.c. Unlikely to have ever had an impact so not worth rushing through.
2014-05-05iio: hid-sensors: Pressure: Raw read supportSrinivas Pandruvada
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>
2014-05-05iio: hid-sensors: Inclinometer 3D: Raw read supportSrinivas Pandruvada
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>
2014-05-05iio: hid-sensors: Compass 3D: Raw read supportSrinivas Pandruvada
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>
2014-05-05iio: hid-sensors: Proximity: Raw read supportSrinivas Pandruvada
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>
2014-05-05iio: hid-sensors: ALS: Raw read supportSrinivas Pandruvada
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>
2014-05-05iio: hid-sensors: Gyro 3D: Raw read supportSrinivas Pandruvada
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>
2014-05-05iio: hid-sensors: Accelerometer 3D: Raw read supportSrinivas Pandruvada
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>
2014-05-05iio: hid-sensors: Add API to power on/offSrinivas Pandruvada
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>
2014-05-05iio: hid-sensors: Pressure: adjust scale and offsetSrinivas Pandruvada
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>
2014-05-05iio: hid-sensors: Inclinometer 3D: adjust scale and offsetSrinivas Pandruvada
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>
2014-05-05iio: hid-sensors: Compass 3D: adjust scale and offsetSrinivas Pandruvada
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>
2014-05-05iio: hid-sensors: ALS: adjust scale and offsetSrinivas Pandruvada
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>
2014-05-05iio: hid-sensors: Gyro 3D : adjust scale and offsetSrinivas Pandruvada
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>
2014-05-05iio: hid-sensors: Accelerometer 3D: adjust scale and offsetSrinivas Pandruvada
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>
2014-05-05iio: hid-sensors: Add api to get poll valueSrinivas Pandruvada
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>
2014-05-05iio: hid-sensors: Convert units and exponentSrinivas Pandruvada
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>
2014-05-04staging: rtl8188eu: Remove 'u8 *pbuf' from struct recv_bufnavin patidar
Instead of using pbuf to pass sbk data pointer to usb_fill_bulk_urb(), we can use precvbuf->pskb->data to do that. Signed-off-by: navin patidar <navin.patidar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-04staging: rtl8188eu: Remove rtl8188eu_init_recvbuf() functionnavin patidar
rtl8188eu_init_recvbuf() function definition is empty now, so remove it. Signed-off-by: navin patidar <navin.patidar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-04staging: rtl8188eu: Remove 'u32 ref_cnt' from struct recv_bufnavin patidar
Driver isn't making any use of value stored in variable ref_cnt. Signed-off-by: navin patidar <navin.patidar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-04staging: rtl8188eu: Remove 'u32 len' from struct recv_bufnavin patidar
Remove unused variable 'u32 len'. Signed-off-by: navin patidar <navin.patidar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-04staging: rtl8188eu: Remove 'alloc_sz' from struct recv_bufnavin patidar
Driver isn't making any use of value stored in alloc_sz variable. Signed-off-by: navin patidar <navin.patidar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-04staging: rtl8188eu: Remove 'pallocated_buf' from struct recv_bufnavin patidar
pallocated_buf is not being used by driver. Signed-off-by: navin patidar <navin.patidar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-04staging: rtl8188eu: Remove 'irp_pending' from struct recv_bufnavin patidar
irp_pending is initialized to false inside rtw_os_recvbuf_resource_alloc() and value of irq_pending never changed after that, so 'if (!precvbuf->irp_pending)' inside rtw_os_read_port() function will be always true. Signed-off-by: navin patidar <navin.patidar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-04staging: rtl8188eu: Remove pdata, phead, ptail and pend from struct recv_bufnavin patidar
Driver is not making use of value stored in removed variables. Signed-off-by: navin patidar <navin.patidar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-04staging: rtl8188eu: Remove 'int transfer_len' from struct recv_bufnavin patidar
Driver is not making any use of value stored in this variable. Signed-off-by: navin patidar <navin.patidar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-04staging: rtl8188eu: Remove 'dma_addr_t dma_transfer_addr' from struct recv_bufnavin patidar
Remove unused variable dma_transfer_addr. Signed-off-by: navin patidar <navin.patidar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-04staging: rtl8188eu: Remove 'spinlock_t recvbuf_lock' from struct recv_bufnavin patidar
recvbuf_lock is initialized inside rtl8188eu_init_recv_priv() but never used. Signed-off-by: navin patidar <navin.patidar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-04staging: rtl8188eu: Remove 'struct list_head list' from struct recv_bufnavin patidar
Users of 'struct list_head list' variable e.g. rtw_enqueue_recvbuf(), rtw_enqueue_recvbuf_to_head() and rtw_dequeue_recvbuf() are already removed. Signed-off-by: navin patidar <navin.patidar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-04staging: rtl8188eu: Remove function rtw_enqueue_recvbuf()navin patidar
rtw_enqueue_recvbuf() is not being used by driver. Signed-off-by: navin patidar <navin.patidar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-04staging: rtl8188eu: Remove function rtw_enqueue_recvbuf_to_head()navin patidar
rtw_enqueue_recvbuf_to_head() is not being used by driver. Signed-off-by: navin patidar <navin.patidar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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