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authorKarol Wrona <k.wrona@samsung.com>2015-01-07 19:36:11 +0100
committerJonathan Cameron <jic23@kernel.org>2015-01-25 22:53:38 +0000
commit03af03ad7c6723e0f87568e4ffe66ceb9608bfe7 (patch)
tree201889e95ec97cbeceac1dbc243395aa9db425e4 /include/linux
parentab80496a813aefafd0e33619b8b6c061a4d5c3f4 (diff)
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iio: Add new operating mode for non triggered sw buffers
There was a need for non triggered software buffer type. It can be used when triggered model does not fit and INDIO_BUFFER_HARDWARE causes confusion because the data stream can be obtained not directly form hardware backend. Suggested-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Karol Wrona <k.wrona@samsung.com> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/iio/iio.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index 878d861b0610..590202024857 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -286,10 +286,11 @@ static inline s64 iio_get_time_ns(void)
/* Device operating modes */
#define INDIO_DIRECT_MODE 0x01
#define INDIO_BUFFER_TRIGGERED 0x02
+#define INDIO_BUFFER_SOFTWARE 0x04
#define INDIO_BUFFER_HARDWARE 0x08
#define INDIO_ALL_BUFFER_MODES \
- (INDIO_BUFFER_TRIGGERED | INDIO_BUFFER_HARDWARE)
+ (INDIO_BUFFER_TRIGGERED | INDIO_BUFFER_HARDWARE | INDIO_BUFFER_SOFTWARE)
#define INDIO_MAX_RAW_ELEMENTS 4
@@ -593,7 +594,8 @@ void devm_iio_trigger_free(struct device *dev, struct iio_trigger *iio_trig);
static inline bool iio_buffer_enabled(struct iio_dev *indio_dev)
{
return indio_dev->currentmode
- & (INDIO_BUFFER_TRIGGERED | INDIO_BUFFER_HARDWARE);
+ & (INDIO_BUFFER_TRIGGERED | INDIO_BUFFER_HARDWARE |
+ INDIO_BUFFER_SOFTWARE);
}
/**