summaryrefslogtreecommitdiff
path: root/drivers/staging/iio/gyro
diff options
context:
space:
mode:
authorJonathan Cameron <jic23@cam.ac.uk>2010-07-11 16:39:17 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2010-07-22 11:38:29 -0700
commit43c11b4373f6fcaf8ce02ea5ea95d764edd87040 (patch)
treefdb5f438aefd85b6e1f83ff3c25624cf43886915 /drivers/staging/iio/gyro
parentad577f8da9e469a88d24c37a8ec2314c12162256 (diff)
staging: iio: Make extensive use of iio_sw_ring_preenable
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/gyro')
-rw-r--r--drivers/staging/iio/gyro/adis16260_ring.c29
1 files changed, 2 insertions, 27 deletions
diff --git a/drivers/staging/iio/gyro/adis16260_ring.c b/drivers/staging/iio/gyro/adis16260_ring.c
index 94b4515c20f9..9ef7f9080dcd 100644
--- a/drivers/staging/iio/gyro/adis16260_ring.c
+++ b/drivers/staging/iio/gyro/adis16260_ring.c
@@ -142,32 +142,6 @@ static void adis16260_trigger_bh_to_ring(struct work_struct *work_s)
return;
}
-static int adis16260_data_rdy_ring_preenable(struct iio_dev *indio_dev)
-{
- size_t size;
- dev_dbg(&indio_dev->dev, "%s\n", __func__);
- /* Check if there are any scan elements enabled, if not fail*/
- if (!(indio_dev->scan_count || indio_dev->scan_timestamp))
- return -EINVAL;
-
- if (indio_dev->ring->access.set_bpd) {
- if (indio_dev->scan_timestamp)
- if (indio_dev->scan_count)
- /* Timestamp (aligned s64) and data */
- size = (((indio_dev->scan_count * sizeof(s16))
- + sizeof(s64) - 1)
- & ~(sizeof(s64) - 1))
- + sizeof(s64);
- else /* Timestamp only */
- size = sizeof(s64);
- else /* Data only */
- size = indio_dev->scan_count*sizeof(s16);
- indio_dev->ring->access.set_bpd(indio_dev->ring, size);
- }
-
- return 0;
-}
-
void adis16260_unconfigure_ring(struct iio_dev *indio_dev)
{
kfree(indio_dev->pollfunc);
@@ -199,7 +173,8 @@ int adis16260_configure_ring(struct iio_dev *indio_dev)
indio_dev->ring = ring;
/* Effectively select the ring buffer implementation */
iio_ring_sw_register_funcs(&ring->access);
- ring->preenable = &adis16260_data_rdy_ring_preenable;
+ ring->bpe = 2;
+ ring->preenable = &iio_sw_ring_preenable;
ring->postenable = &iio_triggered_ring_postenable;
ring->predisable = &iio_triggered_ring_predisable;
ring->owner = THIS_MODULE;