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* 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>
* staging:iio:adis: Preallocate transfer messageLars-Peter Clausen2012-11-19
| | | | | | | | | | | | | | | Currently the driver reads out all sample registers of the device and throws away those which it does not need. Furthermore the SPI message is constructed each time the trigger handler is run, although it will be the same each time. This patch preallocates and pre-constructs the SPI message in the "update_scan_mode" callback. Only those register which are actually selected for sampling are included in the message. The patch also gets rid of the conversion of the sample data from big endian to the native endianness and instead marks the channel as big endian in its scan type. This allows to directly push the SPI transfer buffer to the IIO buffer without the need to post-process it. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* staging:iio:adis16201: Use adis libraryLars-Peter Clausen2012-11-19
| | | | | | | | | Use the new adis library for the adis16201 driver. This allows us to completely scrap the adis16201 buffer and trigger code and more than half of the core driver code. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* Merge 3.7-rc3 into staging-nextGreg Kroah-Hartman2012-10-29
|\ | | | | | | | | | | | | | | | | This resolves the conflict with: drivers/staging/comedi/drivers/amplc_dio200.c and syncs up the changes that happened in the staging directory for 3.7-rc3. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * staging:iio: Fix adis16201 channel offsets and scalesLars-Peter Clausen2012-10-19
| | | | | | | | | | | | | | | | | | | | | | | | | | Most of the channel offsets and scales in the adis16201 are incorrect: * Temperature scale is off by a factor of 1000 * Voltage scale is off by a factor of 1000 * Acceleration scale is in g instead of m/(s**2) * Temperature offset is completely wrong This patch fixes these issues. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* | drivers/staging/iio: Remove unnecessary semicolonPeter Senna Tschudin2012-10-19
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | A simplified version of the semantic patch that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r1@ statement S; position p,p1; @@ S@p1;@p @script:python r2@ p << r1.p; p1 << r1.p1; @@ if p[0].line != p1[0].line_end: cocci.include_match(False) @@ position r1.p; @@ -;@p // </smpl> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* staging:iio: Add missing __devinit and __devexit annotationsLars-Peter Clausen2012-08-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Autogenerated using the following coccinelle semantic patch: // <smpl> @r1@ identifier driver; identifier fn; position p; type T; @@ T driver = { .remove = ( fn@p | __devexit_p(fn@p) ) }; @r2@ identifier r1.fn; position p != r1.p; @@ fn@p @r3@ identifier r1.fn; position r1.p; @@ ( __devexit_p(fn@p) | -fn@p +__devexit_p(fn) ) @depends on !r2@ identifier r1.fn; @@ static -int fn +int __devexit fn (...) { ... } @r11@ identifier driver; identifier fn; position p; type T; @@ T driver = { .probe = fn@p }; @r12@ identifier r11.fn; position p != r11.p; @@ fn@p @depends on !r12@ identifier r11.fn; @@ static -int fn +int __devinit fn (...) { ... } // </smpl> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* staging:iio: Constify static iio_chan_spec arraysLars-Peter Clausen2012-08-14
| | | | | | | | | | | | | | | | | | | | | The per driver iio_chan_spec arrays are usually shared between multiple device instances. So a single device instance may not modify the iio_chan_spec array since this would also affect the other device instances. To make this restriction explicit mark the per driver iio_chan_spec arrays as const. Conversion was done automatically using the following coccinelle semantic patch: // <smpl> @disable optional_qualifier@ identifier channels; @@ static +const struct iio_chan_spec channels[] = ...; // </smpl> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* staging:iio:accel drop sysfs interface for resetting devices.Jonathan Cameron2012-06-30
| | | | | | | | There is no reason why userspace should want to do this manually. Hence, lets drop this abi. Signed-off-by: Jonathan Cameron <jic23@kernel.org> Acked-by: Michael Hennerich <michael.hennerich@analog.com>
* staging:iio:accel: Use dev_to_iio_dev()Lars-Peter Clausen2012-05-14
| | | | | | | | | Replace open-coded instances of getting a iio_dev struct from a device struct with dev_to_iio_dev(). Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging:iio: Streamline API function namingLars-Peter Clausen2012-04-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently we use two different naming schemes in the IIO API, iio_verb_object and iio_object_verb. E.g iio_device_register and iio_allocate_device. This patches renames instances of the later to the former. The patch also renames allocate to alloc as this seems to be the preferred form throughout the kernel. In particular the following renames are performed by the patch: iio_put_device -> iio_device_put iio_allocate_device -> iio_device_alloc iio_free_device -> iio_device_free iio_get_trigger -> iio_trigger_get iio_put_trigger -> iio_trigger_put iio_allocate_trigger -> iio_trigger_alloc iio_free_trigger -> iio_trigger_free The conversion was done with the following coccinelle patch with manual fixes to comments and documentation. <smpl> @@ @@ -iio_put_device +iio_device_put @@ @@ -iio_allocate_device +iio_device_alloc @@ @@ -iio_free_device +iio_device_free @@ @@ -iio_get_trigger +iio_trigger_get @@ @@ -iio_put_trigger +iio_trigger_put @@ @@ -iio_allocate_trigger +iio_trigger_alloc @@ @@ -iio_free_trigger +iio_trigger_free </smpl> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* IIO: Move core headers to include/linux/iioJonathan Cameron2012-04-25
| | | | | | | Step 1 in moving the IIO core out of staging. Signed-off-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging:iio:accel Add IIO_CHAN_INFO_RAW entries to all drivers.Jonathan Cameron2012-04-18
| | | | | | | | | Precursor to making value read / write attribute optional. No processed values in accelerometers. Signed-off-by: Jonathan Cameron <jic23@kernel.org> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging:iio:accel:adis16201 unwind use of IIO_CHAN macro.Jonathan Cameron2012-04-13
| | | | | | | | | This macro is being removed to simplify ongoing maintenance so we need to unwind and remaining users. Signed-off-by: Jonathan Cameron <jic23@kernel.org> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Merge branch 'staging-next' of ↵Linus Torvalds2012-01-09
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging * 'staging-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (466 commits) net/hyperv: Add support for jumbo frame up to 64KB net/hyperv: Add NETVSP protocol version negotiation net/hyperv: Remove unnecessary kmap_atomic in netvsc driver staging/rtl8192e: Register against lib80211 staging/rtl8192e: Convert to lib80211_crypt_info staging/rtl8192e: Convert to lib80211_crypt_data and lib80211_crypt_ops staging/rtl8192e: Add lib80211.h to rtllib.h staging/mei: add watchdog device registration wrappers drm/omap: GEM, deal with cache staging: vt6656: int.c, int.h: Change return of function to void staging: usbip: removed unused definitions from header staging: usbip: removed dead code from receive function staging:iio: Drop {mark,unmark}_in_use callbacks staging:iio: Drop buffer mark_param_change callback staging:iio: Drop the unused buffer enable() and is_enabled() callbacks staging:iio: Drop buffer busy flag staging:iio: Make sure a device is only opened once at a time staging:iio: Disallow modifying buffer size when buffer is enabled staging:iio: Disallow changing scan elements in all buffered modes staging:iio: Use iio_buffer_enabled instead of open coding it ... Fix up conflict in drivers/staging/iio/adc/ad799x_core.c (removal of module_init due to using module_i2c_driver() helper, next to removal of MODULE_ALIAS due to using MODULE_DEVICE_TABLE instead).
| * staging:iio: Add missing MODULE_DEVICE_TABLE and MODULE_ALIASLars-Peter Clausen2011-11-26
| | | | | | | | | | | | | | | | | | | | | | | | | | Quite a few iio drivers provide no MODULE_DEVICE_TABLE or MODULE_ALIAS or only provide a MODULE_ALIAS while they have support for multiple device ids. This prevents auto module loading from working correctly. This patch fixes it by adding the missing MODULE_DEVICE_TABLEs and MODULE_ALIAS'. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * staging:iio:treewide only use shared to decide on interfacesJonathan Cameron2011-11-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Internally the fact that say scale is shared across channels is actually of remarkably little interest. Hence lets not store it. Numerous devices have weird combinations of channels sharing scale anyway so it is not as though this was really telling us much. Note however that we do still use the shared sysfs attrs thus massively reducing the number of attrs in complex drivers. Side effect is that certain drivers that were abusing this (mostly my work) needed to do a few more checks on what the channel they are being queried on actually is. This is also helpful for in kernel interfaces where we just want to query the scale and don't care whether it is shared with other channels or not. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * staging:iio: Do not use bitmasks for channel info addressesLars-Peter Clausen2011-11-26
| | | | | | | | | | | | | | | | | | | | | | Currently the iio framework uses bitmasks for the address field of channel info attributes. This is for historical reasons and no longer required since it will only ever query a single info attribute at once. This patch changes the code to use the non-shifted iio_chan_info_enum values for the info attribute address. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * staging:iio: header reorganizationJonathan Cameron2011-11-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Issue brought up by Lars-Peter Clausen. This is a varient of what he suggested. io/iio.h for driver stuff (has to include types.h) Sub files for the bits drivers may or may not use iio/sysfs.h iio/buffer.h (contents of current buffer_generic.h) (obviously anything offering events will need events.h as well) iio/types.h for the enums that matter to both iio_chan_type, iio_modifier iio/events.h for the event code stuff IIO_EVENT_CODE and friends. + everything in chrdev.h So this is the stuff that userspace cares about. Also include iio_event_type, iio_event_direction Thus iio drivers include iio.h + as required events.h sysfs.h buffer.h in kernel users (once that interface is merged) will need inkern.h which will pull in types.h Userspace will need just events.h (which pulls in types.h) to get everything they need to know about. Buffer userspace access doesn't currently need any core defines. All information about the data format is passed through sysfs. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | staging:iio: Use module_spi_driver to register SPI driverLars-Peter Clausen2011-11-17
|/ | | | | | | | | | | Use the newly introduced module_spi_driver macro for registering SPI drivers. This allows us to remove a few lines of boilerplate code. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Jonathan Cameron <jic23@kernel.org> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging:iio: fix removal path to allow correct freeing.Jonathan Cameron2011-10-17
| | | | | | | | | | Fix a dumb lack of consideration of the effect of combining the iio_device_unregister and iio_free_device calls into one. There is no valid place to free some of the sysfs array elements. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging:iio: unwind the IIO_IN -> IIO_VOLTAGE defineJonathan Cameron2011-09-29
| | | | | | | | | This was originally there to avoid churn during a complex change. Now everything is stable lets get rid of this as it is missleading and confusing. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging:iio: replacing term ring with buffer in the IIO core.Jonathan Cameron2011-09-26
| | | | | | | They aren't always ring buffers, so just use buffer for all naming. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging:iio: rename ring_generic.h -> buffer_generic.hJonathan Cameron2011-09-26
| | | | | | | Nothing in this file is specific to RING buffers so rename it. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging:iio: rework of attribute registration.Jonathan Cameron2011-09-06
| | | | | | | | | | | | | | | This set also includes quite a number of bug fixes of particularly remove functions. Necessary due to issue pointed out in Bart Van Assche's patch: docs/driver-model: Document device.groups V2: Rebase due to patch reordering. V3: Pull various error fixes and cleanups out into their own patches. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Acked-by: Michael Hennerich <Michael.Hennerich@analog.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging:iio:fix using iio_priv or iio_dev after iio_unregister_deviceJonathan Cameron2011-09-06
| | | | | | | | | | | | This includes calling iio_free_device as that should only be called before the device has been registered. Also one case of iio_free_device being called on a registered device. This has been pulled out of the reworking attributes patch. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging:iio:buffering cleanup ring_buffer_register_ex naming.Jonathan Cameron2011-09-06
| | | | | | | | | | | | | | Now the old method is long gone, lets get rid of the _ex and whilst here remove the unused id parameter. Trivial mechanical change, but will break any out of tree drivers using this. V2: rebase V3: rebase Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging: iio: push the main buffer chrdev down to the top level.Jonathan Cameron2011-09-06
| | | | | | | | | | | | | Sorry all, this one is very invasive, though the driver changes are just trivial interface fixes. Not all done yet. V2 - bring the sca3000 with us. V3 - fix ade7758 bugs in conversion. V4 - add ad5933 Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Acked-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging: Add module.h to drivers/staging usersPaul Gortmaker2011-08-25
| | | | | | | | | Lots of people expect module.h to just "be there" without any #include effort. But we are crushing that. So fix those files in staging relying on implicit module.h presence. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging:iio:accel: usused header removals.Jonathan Cameron2011-08-23
| | | | | | | Missing from the iio_chan_spec conversion patches. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Staging: iio: release locks on error pathsDan Carpenter2011-07-05
| | | | | | | | | There are a couple places here where we should have called mutex_unlock() before returning. Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging:iio:accel:adis16201 general cleanup, move to iio_priv and buffers in ↵Jonathan Cameron2011-06-28
| | | | | | | | | | adis16201_state Basically use various new facilities to tidy up. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Acked-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging:iio: implement an iio_info structure to take some of the constant ↵Jonathan Cameron2011-05-19
| | | | | | | | | | elements out of iio_dev. This was suggested by Arnd Bergmann, Other elements may well move in here in future, but it definitely makes sense for these. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging:iio:accel:adis16201 move to chan_spec based setup.Jonathan Cameron2011-05-19
| | | | | | | | | | | | | | Mainly motivated by wish to remove the remaing users of the scan helpers. Some minor cleanups done whilst here. Untested. V2: IIO_CHAN macro used. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging:iio: use the new central name attribute creation codeJonathan Cameron2011-05-19
| | | | | Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging:iio:adis16201 replace unnecessary event line registration.Jonathan Cameron2011-04-25
| | | | | | | | Untested but identical in form to those that have been. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Acked-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging:iio: Add ability to allocate private data space to iio_allocate_deviceJonathan Cameron2011-04-25
| | | | | | | | | | | | | Suggested by Arnd Bergmann. Note this will break ALL drivers that are out of mainline. The fix is trivial change of iio_allocate_device() -> iio_allocate_device(0) Sorry if this causes issues for any one! V2: Include new drivers in the update Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging: iio: new adis16201 driverBarry Song2010-11-09
IIO driver for dual Axis Accelerometer/inclinometer adis16201 parts. Signed-off-by: Barry Song <barry.song@analog.com> Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Acked-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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