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| author | Jonathan Cameron <jic23@cam.ac.uk> | 2010-07-11 16:39:18 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-07-22 11:38:29 -0700 |
| commit | 59883ba170bc280787ad9d5decd7677cf6c38ef8 (patch) | |
| tree | cee8b328a3d7e9ffd76ffc6e00db84058dd2755c /drivers/staging/iio/ring_sw.h | |
| parent | 43c11b4373f6fcaf8ce02ea5ea95d764edd87040 (diff) | |
| download | kernel_samsung_smdk4412-59883ba170bc280787ad9d5decd7677cf6c38ef8.zip kernel_samsung_smdk4412-59883ba170bc280787ad9d5decd7677cf6c38ef8.tar.gz kernel_samsung_smdk4412-59883ba170bc280787ad9d5decd7677cf6c38ef8.tar.bz2 | |
staging: iio: Add iio_sw_ring_helper_state and functions to cover common case.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Barry Song <21cnbao@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/iio/ring_sw.h')
| -rw-r--r-- | drivers/staging/iio/ring_sw.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/staging/iio/ring_sw.h b/drivers/staging/iio/ring_sw.h index 5c22936..0194e7f 100644 --- a/drivers/staging/iio/ring_sw.h +++ b/drivers/staging/iio/ring_sw.h @@ -209,6 +209,16 @@ void iio_sw_rb_free(struct iio_ring_buffer *ring); int iio_sw_ring_preenable(struct iio_dev *indio_dev); +struct iio_sw_ring_helper_state { + struct work_struct work_trigger_to_ring; + struct iio_dev *indio_dev; + int (*get_ring_element)(struct iio_sw_ring_helper_state *st, u8 *buf); + s64 last_timestamp; +}; + +void iio_sw_poll_func_th(struct iio_dev *indio_dev, s64 time); +void iio_sw_trigger_bh_to_ring(struct work_struct *work_s); + #else /* CONFIG_IIO_RING_BUFFER*/ static inline void iio_ring_sw_register_funcs(struct iio_ring_access_funcs *ra) {}; |