diff options
| author |   Jonathan Cameron <jic23@cam.ac.uk> | 2009-08-18 18:06:25 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2009-09-15 12:02:24 -0700 |
| commit | 574fb258d63658e4564c32c1940068a3bad666a0 (patch) | |
| tree | 9217de08c33f7e791ca0b6b1d31ced7259bc37eb /drivers/staging/iio/ring_hw.h | |
| parent | Staging: IIO: Add generic ring buffer support to the IIO core (diff) | |
| download | linux-dev-574fb258d63658e4564c32c1940068a3bad666a0.tar.xz linux-dev-574fb258d63658e4564c32c1940068a3bad666a0.zip | |
Staging: IIO: VTI sca3000 series accelerometer driver (spi)
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>
Diffstat (limited to 'drivers/staging/iio/ring_hw.h')
| -rw-r--r-- | drivers/staging/iio/ring_hw.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/staging/iio/ring_hw.h b/drivers/staging/iio/ring_hw.h new file mode 100644 index 000000000000..bb8cfd28d453 --- /dev/null +++ b/drivers/staging/iio/ring_hw.h @@ -0,0 +1,22 @@ +/* + * ring_hw.h - common functionality for iio hardware ring buffers + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * Copyright (c) 2009 Jonathan Cameron <jic23@cam.ac.uk> + * + */ + +/** + * struct iio_hw_ring_buffer- hardware ring buffer + * @buf: generic ring buffer elements + * @private: device specific data + */ +struct iio_hw_ring_buffer { + struct iio_ring_buffer buf; + void *private; +}; + +#define iio_to_hw_ring_buf(r) container_of(r, struct iio_hw_ring_buffer, buf) |