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Diffstat (limited to 'drivers/staging/iio/accel/sca3000_ring.c')
-rw-r--r--drivers/staging/iio/accel/sca3000_ring.c29
1 files changed, 3 insertions, 26 deletions
diff --git a/drivers/staging/iio/accel/sca3000_ring.c b/drivers/staging/iio/accel/sca3000_ring.c
index 157827651bfa..f76a26885808 100644
--- a/drivers/staging/iio/accel/sca3000_ring.c
+++ b/drivers/staging/iio/accel/sca3000_ring.c
@@ -129,26 +129,11 @@ error_ret:
return ret ? ret : num_read;
}
-/* This is only valid with all 3 elements enabled */
-static int sca3000_ring_get_length(struct iio_buffer *r)
-{
- return 64;
-}
-
-/* only valid if resolution is kept at 11bits */
-static int sca3000_ring_get_bytes_per_datum(struct iio_buffer *r)
-{
- return 6;
-}
-
static bool sca3000_ring_buf_data_available(struct iio_buffer *r)
{
return r->stufftoread;
}
-static IIO_BUFFER_ENABLE_ATTR;
-static IIO_BUFFER_LENGTH_ATTR;
-
/**
* sca3000_query_ring_int() is the hardware ring status interrupt enabled
**/
@@ -238,20 +223,13 @@ static IIO_DEVICE_ATTR(in_accel_scale,
* only apply to the ring buffer. At all times full rate and accuracy
* is available via direct reading from registers.
*/
-static struct attribute *sca3000_ring_attributes[] = {
- &dev_attr_length.attr,
- &dev_attr_enable.attr,
+static const struct attribute *sca3000_ring_attributes[] = {
&iio_dev_attr_50_percent.dev_attr.attr,
&iio_dev_attr_75_percent.dev_attr.attr,
&iio_dev_attr_in_accel_scale.dev_attr.attr,
NULL,
};
-static struct attribute_group sca3000_ring_attr = {
- .attrs = sca3000_ring_attributes,
- .name = "buffer",
-};
-
static struct iio_buffer *sca3000_rb_allocate(struct iio_dev *indio_dev)
{
struct iio_buffer *buf;
@@ -264,7 +242,8 @@ static struct iio_buffer *sca3000_rb_allocate(struct iio_dev *indio_dev)
ring->private = indio_dev;
buf = &ring->buf;
buf->stufftoread = 0;
- buf->attrs = &sca3000_ring_attr;
+ buf->length = 64;
+ buf->attrs = sca3000_ring_attributes;
iio_buffer_init(buf);
return buf;
@@ -277,8 +256,6 @@ static void sca3000_ring_release(struct iio_buffer *r)
static const struct iio_buffer_access_funcs sca3000_ring_access_funcs = {
.read_first_n = &sca3000_read_first_n_hw_rb,
- .get_length = &sca3000_ring_get_length,
- .get_bytes_per_datum = &sca3000_ring_get_bytes_per_datum,
.data_available = sca3000_ring_buf_data_available,
.release = sca3000_ring_release,
};