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* iio:mpu6050: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen2013-09-21
| | | | | | | | Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Cc: Ge Gao <ggao@invensense.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio:adis_lib: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen2013-09-21
| | | | | | | Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio:adis16400: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen2013-09-21
| | | | | | | Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: imu: inv_mpu6050: Use devm_iio_device_allocSachin Kamat2013-08-03
| | | | | | | | Using devm_iio_device_alloc makes code simpler. While at it include missing iio.h header file and do some cleanup. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: imu: adis16480: Use devm_iio_device_allocSachin Kamat2013-08-03
| | | | | | | | Using devm_iio_device_alloc makes code simpler. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: imu: adis16400: Use devm_iio_device_allocSachin Kamat2013-08-03
| | | | | | | | Using devm_iio_device_alloc makes code simpler. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Manuel Stahl <manuel.stahl@iis.fraunhofer.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: Add a comment to about alphabetical order to Kconfigs and MakefilesLars-Peter Clausen2013-08-03
| | | | | | | | | | | | Keeping Makefile and Kconfig entries in alphabetical order usually works better than just appending new entries at the end, since it reduces the amount of conflicts. This patch adds a comment to the IIO Kconfig and Makefile files to document that the entries should be kept in alphabetical order. Also reorder those entries which weren't in alphabetical order yet. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: use I2C_FUNC_SMBUS_I2C_BLOCK macroPeter Meerwald2013-08-03
| | | | | | | | | I do not see why the driver requires I2C_FUNC_SMBUS_I2C_BLOCK, actually only single bytes or words are transferred Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: Ge Gao <ggao@invensense.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio:trigger: Introduce iio_tigger_{set,get}_drvdataLars-Peter Clausen2013-03-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | Introduce iio_tigger_{set,get}_drvdata which allows to attach driver specific data to a trigger. The functions wrap access to the triggers private_data field and all current users are updated to use iio_tigger_{set,get}_drvdata instead of directly accessing the private_data field. This is the first step towards removing the private_data field from the iio_trigger struct. The following coccinelle script has been used to update the drivers: <smpl> @@ struct iio_trigger *trigger; expression priv; @@ -trigger->private_data = priv +iio_trigger_set_drv_data(trigger, priv) @@ struct iio_trigger *trigger; @@ -trigger->private_data +iio_trigger_get_drv_data(trigger) </smpl> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* Merge tag 'iio-for-3.10a' of ↵Greg Kroah-Hartman2013-03-25
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next Jonathan writes: First set of IIO new drivers and cleanup for the 3.10 cycle. New stuff 1) Add OF support for specifying mappings between iio devices and their in kernel consumers. 2) Driver for AD7923 (extra functionality and support for ad7904, ad7914 and ad7924 added later in series) 3) Driver for Exynos adc (dt suppor for phy added later in series). 4) Make iio_push_event save IRQ context - necessary if it is to be used within an interrupt handler. Users of this functionality to follow. 5) For iio use the device tree node name to provide the hwmon name attribute if available. Removal and moves out of staging 1) Drop the adt7410 driver from IIO now that there is a hmwon driver with equivalent support. This device is very much targeted at hardware monitoring so hwmon is a more appropriate host for the driver. 2) Move iio_hwmon driver to drivers/hwmon. Cleanups 1) Minor cleanup in ST common library. 2) Large set of patches to break the info_mask element which previously used odd and even bits to specify if a channel attribute was either shared across similar channels or specific to only one. Now we have two bitmaps, one for those parameters that are specific to this channel and one for those shared by all channels with the same type as this one. This has no effect on the userspace abi. It simplifies the core code and provides more space for new channel parameters. It has been on the todo list for a long time! Conflicts: drivers/iio/dac/ad5064.c
| * using kfifo_in_spinlocked instead of separate code.Ge Gao2013-03-17
| | | | | | | | | | Signed-off-by: Ge Gao <ggao@invensense.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio:imu:mpu6050 move to info_mask_(shared_by_type/separate)Jonathan Cameron2013-03-17
| | | | | | | | | | | | | | The original info_mask is going away in favour of the broken out versions. Signed-off-by: Jonathan Cameron <jic23@kernel.org> cc: Ge Gao <ggao@invensense.com>
| * iio:imu:adis16480 move to info_mask_(shared_by_type/separate)Jonathan Cameron2013-03-17
| | | | | | | | | | | | | | The original info_mask is going away in favour of the broken out versions. Signed-off-by: Jonathan Cameron <jic23@kernel.org> Acked-by: Lars-Peter Clausen <lars@metafoo.de>
| * iio:imu:adis16400 move to info_mask_(shared_by_type/separate)Jonathan Cameron2013-03-17
| | | | | | | | | | | | | | The original info_mask is going away in favour of the broken out versions. Signed-off-by: Jonathan Cameron <jic23@kernel.org> Acked-by: Lars-Peter Clausen <lars@metafoo.de>
* | iio/imu: inv_mpu6050 depends on IIO_BUFFERGuenter Roeck2013-03-02
|/ | | | | | | | | | | Fix: drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c: In function ‘inv_mpu6050_read_fifo’: drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c:176:3: error: implicit declaration of function ‘iio_push_to_buffers’ [-Werror=implicit-function-declaration] Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* Invensense MPU6050 Device Driver.Ge Gao2013-02-10
| | | | | | | | This the basic functional Invensense MPU6050 Device driver. Signed-off-by: Ge Gao <ggao@invensense.com> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio:adis16400: Add support for the adis16448Lars-Peter Clausen2013-01-26
| | | | | | | | | | The adis16448 is more or less from the same family of devices as supported by this driver. It features three acceleration channels, three angular velocity channels, three magnetometer channels, one temperature channels and one barometric pressure channel. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio:adis16400: Expose some debug information in debugfsLars-Peter Clausen2013-01-26
| | | | | | | | | Expose some information useful for debugging a device in debugfs. This includes for now the flash count, the product id and the serial number and raw register access. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio:adis16400: Add support for the 52.85 Hz base sampling rateLars-Peter Clausen2013-01-26
| | | | | | | | | | | | | | | | The adis16400 and similar have two different base sampling rate available, from which the actual sampling rate is derived. 1638 Hz and 52.85 Hz, switching to the lower base sampling rate allows to support lower sampling rates. This patch adds support for switching to the lower base sampling rate if the requested sampling frequency is outside of the range which can be supported by the higher base sampling rate. The function which is used to read the current sampling rate already has support for the lower sampling rate, so no changes are required there. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio:adis16400: Increase samplerate precessionLars-Peter Clausen2013-01-26
| | | | | | | | | The devices supported by this drivers support sample rates with less than one sample per second. To support this increase the samplerate precession to allow setting (and reading) the samplerate with a milli-HZ precession. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* staging:iio: Move adis16400 out of stagingLars-Peter Clausen2013-01-26
| | | | | | | This adis16400 driver is in pretty good shape now, so move it out of staging. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: imu: adis16480: remove duplicated include from adis16480.cWei Yongjun2012-11-30
| | | | | | | Remove duplicated include. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio:imu: adis16480: show_firmware() buffer too smallDan Carpenter2012-11-30
| | | | | | | | | | | | | | | | | | Smatch complains that snprintf() returns the number of characters, not counting the NUL terminator, which *would* have been printed if there were enough space. In other words the return value could be more than sizeof(buf). In this case, we are printing something like "ff.ff\n" which is at most 6 characters and a NUL so that's not an issue. I changed snprintf() to scnprintf() to silence the warning. But since the buffer doesn't include space for the NUL terminator, we need to make it bigger or the "\n" will be truncated off. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-By: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio:imu: Add support for the ADIS16480 and similar IMUsLars-Peter Clausen2012-11-20
| | | | | | | | This patch adds support for the ADIS16375, ADIS16480, ADIS16485, ADIS16488 6 degree to 10 degree of freedom IMUs. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio:imu:adis: Add paging supportLars-Peter Clausen2012-11-20
| | | | | | | | | | | | | | | Some of the newer generation devices from the ADIS16XXX series have more registers than what can be supported with the current register addressing scheme. These devices implement register paging to support a larger register range. Each page is 128 registers large and the currently active page can be selected via register 0x00 in each page. This patch implements transparent paging inside the common adis library. The register read/write interface stays the same and when a register is accessed the library automatically switches to the correct page if it is not already selected. The page number is encoded in the upper bits of the register number, e.g. register 0x5 of page 1 is 0x85. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio:imu:adis: Add support for 32bit registersLars-Peter Clausen2012-11-20
| | | | | | | | | Some of the newer generation devices from the ADIS16XXX family have 32bit wide register which spans two 16bit wide registers. This patch adds support for reading and writing a 32bit wide register. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio:imu:adis: Add debugfs register access supportLars-Peter Clausen2012-11-20
| | | | | | | | | Provide a IIO debugfs register access function for the ADIS library. This function can be used by individual drivers to allow raw register access via debugfs. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* staging:iio: Move adis library out of stagingLars-Peter Clausen2012-11-19
Now that the adis library no longer depends on the sw_ring buffer implementation we can move it out of staging. While we are at it also sort the entries in the iio Kconfig and Makefile to be in alphabetical order. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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