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* Staging: IIO: add selection of IIO_SW_RING to LIS3L02DQ as neededJonathan Cameron2009-12-111-0/+1
| | | | | | | | | | | | | | | Here I've kept the selection of IIO_SW_RING separate from IIO_TRIGGER as it will go away fairly shortly when the ring buffer type becomes configurable on a per device basis, whereas the IIO_TRIGGER select will remain. Whether to retain the option to remove the support for ring buffers entirely is one for after that support is in place. Reported-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Staging: fix assorted typos all over the placeAndré Goddard Rosa2009-12-113-6/+6
| | | | | | Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Staging: iio: Fix up the module build.Paul Mundt2009-12-111-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Both the max1363 and lis3l02dq modules rely on IIO trigger support in their ring buffer implementations, which is presently a separate config option. In the case of IIO_RING_BUFFER=y and IIO_TRIGGER=n, we end up with the following: ERROR: "iio_trigger_attach_poll_func" [drivers/staging/iio/adc/max1363.ko] undefined! ERROR: "iio_trigger_dettach_poll_func" [drivers/staging/iio/adc/max1363.ko] undefined! ERROR: "iio_trigger_unregister" [drivers/staging/iio/accel/lis3l02dq.ko] undefined! ERROR: "iio_trigger_notify_done" [drivers/staging/iio/accel/lis3l02dq.ko] undefined! ERROR: "iio_trigger_read_name" [drivers/staging/iio/accel/lis3l02dq.ko] undefined! ERROR: "iio_trigger_poll" [drivers/staging/iio/accel/lis3l02dq.ko] undefined! ERROR: "iio_trigger_attach_poll_func" [drivers/staging/iio/accel/lis3l02dq.ko] undefined! ERROR: "iio_trigger_register" [drivers/staging/iio/accel/lis3l02dq.ko] undefined! ERROR: "iio_free_trigger" [drivers/staging/iio/accel/lis3l02dq.ko] undefined! ERROR: "iio_trigger_dettach_poll_func" [drivers/staging/iio/accel/lis3l02dq.ko] undefined! ERROR: "iio_allocate_trigger" [drivers/staging/iio/accel/lis3l02dq.ko] undefined! make[1]: *** [__modpost] Error 1 make: *** [modules] Error 2 This adds an IIO_TRIGGER select for these two drivers conditional on IIO ring buffer support. Caught with an SH randconfig in -next. Signed-off-by: Paul Mundt <lethal@linux-sh.org> Acked-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Staging: iio: introduce missing kfreeJulia Lawall2009-09-151-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Error handling code following a kmalloc or kzalloc should free the allocated data. The semantic match that finds the problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; statement S; expression E; identifier f,f1,l; position p1,p2; expression *ptr != NULL; @@ x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...); ... if (x == NULL) S <... when != x when != if (...) { <+...x...+> } ( x->f1 = E | (x->f1 == NULL || ...) | f(...,x->f1,...) ) ...> ( return \(0\|<+...x...+>\|ptr\); | return@p2 ...; ) @script:python@ p1 << r.p1; p2 << r.p2; @@ print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk>
* Staging: iio: fix duplicate dev_attr_nameRandy Dunlap2009-09-151-1/+1
| | | | | | | | | | | | | device attr's should be static, otherwise duplicate identifiers are created: drivers/staging/iio/trigger/iio-trig-gpio.o:(.data+0x1c): multiple definition of `dev_attr_name' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Staging: iio: Fix type warningsAlan Cox2009-09-151-1/+1
| | | | | | | Signed-off-by: Alan Cox <alan@linux.intel.com> Cc: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Staging: IIO: lis3l02dq ring buffer and data ready trigger supportJonathan Cameron2009-09-153-1/+621
| | | | | | | | | | | | | | | Example of relatively common case of device sampling based on internal clock and providing a data ready signal to indicate that new data is available to be read out. Generic trigger approach used to allow other devices to be sampled 'at the same time' as this the accelerometer. This is very useful in various motion estimation algorithms. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Staging: IIO: VTI sca3000 series accelerometer driver (spi)Jonathan Cameron2009-09-155-0/+2149
| | | | | | | | | | | | | Example of how a device with a hardware ring buffer is handled within IIO. Changes since V2: * Moved to new registration functions giving much cleaner interface. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Staging: IIO: kxsd9 accelerometer minimal supportJonathan Cameron2009-09-153-0/+404
| | | | | | | | | | | | | | | | This provides only very minimal support for this device. Note that an alternate driver has been posted to the input mailing list. When the original LMKL discussion that led to the descision to develop IIO occured, the question on whether the differing requirements of IIO and input drivers made it a good idea to have unified drivers was left as an open question. It still is. All opinions on this question welcome. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Staging: IIO: lis3l02dq accelerometer core supportJonathan Cameron2009-09-155-0/+1322
A later patch in the series will add data ready triggering and ring buffer support. This core patch provides an event interface and sysfs based reading of values. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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