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Diffstat (limited to 'drivers/staging/iio/adc/ad7298_ring.c')
-rw-r--r--drivers/staging/iio/adc/ad7298_ring.c29
1 files changed, 0 insertions, 29 deletions
diff --git a/drivers/staging/iio/adc/ad7298_ring.c b/drivers/staging/iio/adc/ad7298_ring.c
index 5695eb2..d1a12dd 100644
--- a/drivers/staging/iio/adc/ad7298_ring.c
+++ b/drivers/staging/iio/adc/ad7298_ring.c
@@ -18,35 +18,6 @@
#include "ad7298.h"
-int ad7298_scan_from_ring(struct iio_dev *indio_dev, long ch)
-{
- struct iio_buffer *ring = indio_dev->buffer;
- int ret;
- u16 *ring_data;
-
- if (!(test_bit(ch, ring->scan_mask))) {
- ret = -EBUSY;
- goto error_ret;
- }
-
- ring_data = kmalloc(ring->access->get_bytes_per_datum(ring),
- GFP_KERNEL);
- if (ring_data == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
- ret = ring->access->read_last(ring, (u8 *) ring_data);
- if (ret)
- goto error_free_ring_data;
-
- ret = be16_to_cpu(ring_data[ch]);
-
-error_free_ring_data:
- kfree(ring_data);
-error_ret:
- return ret;
-}
-
/**
* ad7298_ring_preenable() setup the parameters of the ring before enabling
*
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