diff options
Diffstat (limited to 'drivers/staging/iio/meter/ade7758_ring.c')
-rw-r--r-- | drivers/staging/iio/meter/ade7758_ring.c | 26 |
1 files changed, 8 insertions, 18 deletions
diff --git a/drivers/staging/iio/meter/ade7758_ring.c b/drivers/staging/iio/meter/ade7758_ring.c index c45b23bb1229..7b9be8a2cc50 100644 --- a/drivers/staging/iio/meter/ade7758_ring.c +++ b/drivers/staging/iio/meter/ade7758_ring.c @@ -12,9 +12,9 @@ #include <linux/slab.h> #include <asm/unaligned.h> -#include "../iio.h" +#include <linux/iio/iio.h> #include "../ring_sw.h" -#include "../trigger_consumer.h" +#include <linux/iio/trigger_consumer.h> #include "ade7758.h" /** @@ -72,7 +72,7 @@ static irqreturn_t ade7758_trigger_handler(int irq, void *p) *dat32 = get_unaligned_be32(&st->rx_buf[5]) & 0xFFFFFF; /* Guaranteed to be aligned with 8 byte boundary */ - if (ring->scan_timestamp) + if (indio_dev->scan_timestamp) dat64[1] = pf->timestamp; ring->access->store_to(ring, (u8 *)dat64, pf->timestamp); @@ -92,29 +92,19 @@ static irqreturn_t ade7758_trigger_handler(int irq, void *p) static int ade7758_ring_preenable(struct iio_dev *indio_dev) { struct ade7758_state *st = iio_priv(indio_dev); - struct iio_buffer *ring = indio_dev->buffer; - size_t d_size; unsigned channel; + int ret; if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength)) return -EINVAL; + ret = iio_sw_buffer_preenable(indio_dev); + if (ret < 0) + return ret; + channel = find_first_bit(indio_dev->active_scan_mask, indio_dev->masklength); - d_size = st->ade7758_ring_channels[channel].scan_type.storagebits / 8; - - if (ring->scan_timestamp) { - d_size += sizeof(s64); - - if (d_size % sizeof(s64)) - d_size += sizeof(s64) - (d_size % sizeof(s64)); - } - - if (indio_dev->buffer->access->set_bytes_per_datum) - indio_dev->buffer->access-> - set_bytes_per_datum(indio_dev->buffer, d_size); - ade7758_write_waveform_type(&indio_dev->dev, st->ade7758_ring_channels[channel].address); |