- 23 Jul, 2014 4 commits
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Josef Gajdusek authored
This patch adds support for the hmc5983 i2c interface. This chip is almost identical to the hmc5883. The difference being added temperature compensation, additional available sample rate (220Hz) and an SPI interface. Signed-off-by:
Josef Gajdusek <atx@atx.name> Signed-off-by:
Jonathan Cameron <jic23@kernel.org>
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Josef Gajdusek authored
Changed structure of struct hmc5843_chip_info to include length of translation arrays. Code previously using #defined constant has been changed accordingly. This allows to integrate devices which do have different amounts of available rates/scales. Signed-off-by:
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Josef Gajdusek authored
This patch splits hmc5843.c to multiple files - the interface-agnostic hmc5843_core.c, i2c specific hmc5843_i2c.c and header file hmc5843.h. This is another step to add support of SPI-enabled hmc5983. Signed-off-by:
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Josef Gajdusek authored
This patch changes hmc5843.c to use regmap. This provides transparent caching to the code as well as abstraction necessary to add support for SPI-based hmc5983. Signed-off-by:
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- 20 Jul, 2014 8 commits
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Peter Meerwald authored
driver uses i2c_smbus_read_word_data() to the data in the trigger handler and hence already does endianness conversion; the I2C chip has data in little endian, but the value is provides in CPU endianness Signed-off-by:
Peter Meerwald <pmeerw@pmeerw.net> Reviewed-by:
Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by:
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Srinivas Pandruvada authored
Assigning indio_dev->trig is not a good idea, as this can result in wrong reference count for trigger device. If assigned, it is better to increment reference counter by calling iio_trigger_get. Refer to http://www.spinics.net/lists/linux-iio/msg13669.html for discussion with Jonathan. Signed-off-by:
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Srinivas Pandruvada authored
This chip needs explicit interrupt ack, introducing try_reenable callback. Also removed separate function to ack interrupt as this doesn't add any value. Signed-off-by:
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Srinivas Pandruvada authored
Fix issue with setting of 12.5 and 6.25 HZ. The match of val2 fails. Signed-off-by:
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Reyad Attiyat authored
Add the HID usage attribute ID's and IIO channel info for rotation from north support. Signed-off-by:
Reyad Attiyat <reyad.attiyat@gmail.com> Acked-by:
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Reyad Attiyat authored
Scan for and count the HID usage attributes supported by the driver. This allows for the driver to only setup the IIO channels for the sensor usages present in the HID USB reports. Changes from v5 -Fixed kernel panic from invalid pointer dereference -Fixed variable assignment style Signed-off-by:
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Reyad Attiyat authored
Added the rotation from north usage attributes to the iio modifier enum and to the iio modifier names array. Signed-off-by:
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Reyad Attiyat authored
Added documentation for the sysfs attributes supported by the rotation from north sensor. Signed-off-by:
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- 13 Jul, 2014 28 commits
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Peter Meerwald authored
Allows explicity enabling of events Previously, events were always reported as enabled, but actually only implicitly enabled when updating the buffer scan mode Signed-off-by:
Lars-Peter Clausen <lars@metafoo.de> Signed-off-by:
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Peter Meerwald authored
only report an event as enabled if it actually is enabled Signed-off-by:
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Peter Meerwald authored
rename since function is used by all chips with ALERT pin, not just ad7997/8 Signed-off-by:
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Peter Meerwald authored
writing ALERT_EN and BUSY_ALERT to the chip config register clears pending alerts, BUSY_ALERT is cleared when reading back the register Signed-off-by:
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Peter Meerwald authored
16-bit on ad7997/ad7998, 8-bit elsewhere Signed-off-by:
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Peter Meerwald authored
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Peter Meerwald authored
an IRQ is necessary to handle the ALERT condition; without IRQ, the IIO event interface serves no purpose Signed-off-by:
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Peter Meerwald authored
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Peter Meerwald authored
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Peter Meerwald authored
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Greg Kroah-Hartman authored
Merge tag 'iio-for-3.17c' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next Jonathan writes: 3rd round of IIO new drivers, cleanups and functionality for the 3.17 cycle. New drivers * isl29125 digital color light sensor driver * TAOS/AMS tcs3414 digital color sensor Staging graduation * ad7291 ADC driver. New functionality * st_sensors - device tree support and bindings * mma8452 - device tree support Cleanups * Drop redundant variables in a number of drivers. * Reorder a structure definition to ealy wiht a warning about static not being at the beginning in the hid-sensors driver. * Switch a few more drivers away from using explicit sampling_frequency attribute to providing this through the core. * Make hid_sensor_get_reporting_interval static as only used within a single file. * Drop a redundant check for negative values in an unsigned variable from ad9832 * Drop some duplicate case labels in the event monitor example code. * Use devm_ioremap_resource to simplify error handling. * Use devm_kzalloc within the blackfin timer driver to simplify error handling and removal. * A number of cleanups of the ad7291 from Hartmut Knaack in response to a patch moving it out of staging. * Core support for the period info element about events. It has been in the abi for a while, but not added until now to the newer handling of information related to events. * Add HAS_IOMEM dependency to mxs_lradc to avoid build issues when testing enabled.
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navin patidar authored
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navin patidar <navin.patidar@gmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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navin patidar authored
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navin patidar authored
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navin patidar authored
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navin patidar authored
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navin patidar authored
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navin patidar authored
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navin patidar authored
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navin patidar authored
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navin patidar authored
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navin patidar authored
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navin patidar authored
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navin patidar authored
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navin patidar authored
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navin patidar authored
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navin patidar authored
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Malcolm Priestley authored
Removing old functions and comments. Signed-off-by:
Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by:
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