diff options
| author | Jonathan Cameron <jic23@cam.ac.uk> | 2009-08-18 18:06:26 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-09-15 12:02:25 -0700 |
| commit | 1637db44413e32a0f100dd4bd164644e641842f7 (patch) | |
| tree | 112d2671204259195dff3b8f021fe33ed8ca6afe /drivers/staging/iio/Kconfig | |
| parent | 574fb258d63658e4564c32c1940068a3bad666a0 (diff) | |
Staging: IIO: Trigger support added to core.
Add general registration support for IIO triggers. These
are currently only used to initialize a 'poll' of a given
device. Examples include the lis3l02dq's data ready signal
being used to initialize a read and gpio triggers being
used to allow externally synchronized sensor reading.
Each trigger can cause any number of 'consumer' devices
to be polled with each storing data into a related ring
buffer.
Two stage triggering is supported with 'fast' and 'slow'
paths. The first is used for things like pulling a data
hold line high and the second for actual read which
may take far longer.
Changes since V2:
* As with IIO triggers now use a registration approach
much closer to that of input leading to cleaner code.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/iio/Kconfig')
| -rw-r--r-- | drivers/staging/iio/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/staging/iio/Kconfig b/drivers/staging/iio/Kconfig index e554a9e0bf7e..6da4fb96cd28 100644 --- a/drivers/staging/iio/Kconfig +++ b/drivers/staging/iio/Kconfig @@ -17,6 +17,14 @@ config IIO_RING_BUFFER Provide core support for various ring buffer based data acquisition methods. +config IIO_TRIGGER + boolean "Enable triggered sampling support" + help + Provides IIO core support for triggers. Currently these + are used to initialize capture of samples to push into + ring buffers. The triggers are effectively a 'capture + data now' interrupt. + source "drivers/staging/iio/accel/Kconfig" source "drivers/staging/iio/adc/Kconfig" source "drivers/staging/iio/light/Kconfig" |