- 08 Jun, 2015 1 commit
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Linus Walleij authored
This adds support for the LIS331DL sensor version. This is a simple 8bit-only accelerometer. 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>
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- 07 Jun, 2015 14 commits
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Linus Walleij authored
Some sensors like the LIS331DL only support 8bit data by a single register per axis. These utilize the MSB byte. Make it possible to register these apropriately. A oneliner change is needed in the ST sensors core to handle 8bit reads as this is the first supported 8bit sensor. Signed-off-by:
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Stefan Agner authored
Support configurable conversion mode through sysfs. So far, the mode used was low-power, which is enabled by default now. Beside that, the modes normal and high-speed are selectable as well. Use the new device tree property which specifies the maximum ADC conversion clock frequencies. Depending on the mode used, the available resulting conversion frequency are calculated dynamically. Acked-by:
Fugang Duan <B38611@freescale.com> Signed-off-by:
Stefan Agner <stefan@agner.ch> Signed-off-by:
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H. Nikolaus Schaller authored
The @chan parameter can be 0 or 1 and not a bit mask. Fix wrong description. Signed-off-by:
H. Nikolaus Schaller <hns@goldelico.com> Signed-off-by:
Marek Belisko <marek@goldelico.com> Signed-off-by:
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H. Nikolaus Schaller authored
The bit mask to read the setting of the constant current source for measuring the NTC voltage was the wrong one. Since default value is initialized to the lowest level (000 = 10uA) the difference was probably never noticed in practice. Signed-off-by:
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Martin Fuzzey authored
Implement interrupt driven trigger for data ready. This allows more efficient access to the sample data. Signed-off-by:
Martin Fuzzey <mfuzzey@parkeon.com> Signed-off-by:
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Martin Fuzzey authored
Allow the cutoff frequency of the high pass filter to be configured. Signed-off-by:
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Martin Fuzzey authored
Allow the debouce counter for transient events to be configured using the sysfs attribute events/in_accel_thresh_rising_period Signed-off-by:
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Martin Fuzzey authored
The event is triggered when the highpass filtered absolute acceleration exceeds the threshold. Signed-off-by:
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Daniel Baluta authored
This patch adds compensation formula to raw readings, borrowed from Memsic's input driver. Signed-off-by:
Daniel Baluta <daniel.baluta@intel.com> Signed-off-by:
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Daniel Baluta authored
Datasheet says (Page 2) that typical value for sensitivity for 16 bits mode on Z-axis is 770. Anyhow, looking at the input driver provided by Memsic the value for MMC35240 is 1024. Also, testing shows that using 1024 for Z-axis senzitivity offers better results. Fixes: abeb6b1e ("iio: magnetometer: Add support for MEMSIC MMC35240") Signed-off-by:
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Daniel Baluta authored
According to datasheet, Page 8, minimum wait time to complete measurement is 10ms. Adjusting this value will increase the userspace polling rate. Fixes: abeb6b1e ("iio: magnetometer: Add support for MEMSIC MMC35240") Signed-off-by:
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Daniel Baluta authored
The current computation for fractional part of the magnetic field is broken. This patch fixes it by taking a different approach. We expose the raw reading in milli Gauss (to avoid rounding errors) with a scale of 0.001. Thus the final computation is done in userspace where floating point operation are more relaxed. Fixes: abeb6b1e ("iio: magnetometer: Add support for MEMSIC MMC35240") Signed-off-by:
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Daniel Baluta authored
This avoid nasty crashes when registering the IIO device. Fixes: abeb6b1e ("iio: magnetometer: Add support for MEMSIC MMC35240") Signed-off-by:
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Daniel Baluta authored
This is the standard convention for i2c device name and also this is the name used in some Intel platforms DT files. Fixes: abeb6b1e ("iio: magnetometer: Add support for MEMSIC MMC35240") Signed-off-by:
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- 01 Jun, 2015 17 commits
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Dan Carpenter authored
"index" needs to be signed for the error handling to work. Fixes: be9e6229 ('iio: light: Add support for Sensortek STK3310') Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
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Dan Carpenter authored
The line before limits i to 0-3 so the existing code works fine but the check is still off by one and >= is intended instead of >. Signed-off-by:
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Lars-Peter Clausen authored
In hardware mode we can not use the software demuxer, this means that the selected scan mask needs to match one of the available scan masks exactly. It also means that all attached buffers need to use the same scan mask. Given that when operating in hardware mode there is typically only a single buffer attached to the device this not an issue. Add a sanity check to make sure that only a single buffer is attached in hardware mode nevertheless. Signed-off-by:
Lars-Peter Clausen <lars@metafoo.de> Signed-off-by:
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Lars-Peter Clausen authored
For each buffer type specify the supported device modes for this buffer. This allows us for devices which support multiple different operating modes to pick the correct operating mode based on the modes supported by the attached buffers. It also prevents that buffers with conflicting modes are attached to a device at the same time or that a buffer with a non-supported mode is attached to a device (e.g. in-kernel callback buffer to a device only supporting hardware mode). Signed-off-by:
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Lars-Peter Clausen authored
Even if no userspace consumer buffer is attached to the IIO device at registration we still need to compute the masklength, since it is possible that a in-kernel consumer buffer is going to get attached to the device at a later point. Signed-off-by:
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Vladimirs Ambrosovs authored
Fix the module_param "instances" type to uint, since the variable type holding the value is unsigned. Signed-off-by:
Vladimirs Ambrosovs <rodriguez.twister@gmail.com> Signed-off-by:
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Vladimirs Ambrosovs authored
The functions iio_dummy_remove(), iio_simple_dummy_events_unregister() and iio_dummy_evgen_release_irq() were changed to return void instead of int. Signed-off-by:
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Vladimirs Ambrosovs authored
This patch fixes the init function for the iio_simple_dummy driver. The main issues were absence of kfree for the allocated array, and no devices being removed in case the probe function fails, running in a loop. Signed-off-by:
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Laurent Navet authored
The same code is executed regardless ret value, so this test can be removed. Also fix coverity scan CID 1268786. Signed-off-by:
Laurent Navet <laurent.navet@gmail.com> Signed-off-by:
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Hartmut Knaack authored
Mark strings, which are not supposed to be changed (basedir, filename, value), as const in function parameters. Signed-off-by:
Hartmut Knaack <knaack.h@gmx.de> Signed-off-by:
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Hartmut Knaack authored
In generic_buffer.c: sort program parameters alphabetically and provide usage information In lsiio.c: drop unused parameters Signed-off-by:
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Hartmut Knaack authored
In build_channel_array(), count can be initialized already during variable declaration. Signed-off-by:
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Hartmut Knaack authored
In iioutils_get_type() it is logically better fitting to have sysfsfp assigned zero right after closing it. Signed-off-by:
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Hartmut Knaack authored
Change the assignment of *is_signed in iioutils_get_type() to a one-liner, as already done with *be. Signed-off-by:
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Hartmut Knaack authored
Refactor the code in print_event() to reduce code duplication and better reflect that the type is output unconditionally, as well as cascade the dependency of the diff-channel. Saves a few lines of code, as well. Signed-off-by:
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Hartmut Knaack authored
Return directly, if no common cleanup is required. Signed-off-by:
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Hartmut Knaack authored
Fully document public functions and elements. Signed-off-by:
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- 31 May, 2015 8 commits
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Hartmut Knaack authored
Add error handling to calls which can indicate a major problem by returning an error code. This also involves to change the type of dump_devices() from void to int. Signed-off-by:
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Hartmut Knaack authored
Add error handling to calls which can indicate a major problem by returning an error code. This also sets ret to -ENOENT in iioutils_get_type() and iioutils_get_param_float() to indicate if no matching directory entry was found. Signed-off-by:
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Hartmut Knaack authored
Add error handling to calls which can indicate a major problem by returning an error code. Signed-off-by:
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Hartmut Knaack authored
Add error handling to calls which can indicate a major problem by returning an error code. Signed-off-by:
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Hartmut Knaack authored
Add handler to catch errors on conversion of numerical arguments. Signed-off-by:
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Hartmut Knaack authored
This patch catches errors in string allocation in generic_buffer.c, iio_event_monitor.c, iio_utils.c and lsiio.c. Signed-off-by:
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Hartmut Knaack authored
Functions _write_sysfs_int() and _write_sysfs_string() are supposed to be called only by public wrappers, so make them static. Signed-off-by:
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Hartmut Knaack authored
Previously, the return value of sscanf() was treated as an indication of the digits it would have read. Yet, sscanf() only returns the amount of valid matches. Therefore, introduce a function to calculate the decimal digits of the read number and use this one to commence a colon search, as originally intended. Signed-off-by:
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