diff options
Diffstat (limited to 'drivers/staging/iio/meter/ade7758_ring.c')
| -rw-r--r-- | drivers/staging/iio/meter/ade7758_ring.c | 58 |
1 files changed, 22 insertions, 36 deletions
diff --git a/drivers/staging/iio/meter/ade7758_ring.c b/drivers/staging/iio/meter/ade7758_ring.c index b89b7f8..00fa2ac 100644 --- a/drivers/staging/iio/meter/ade7758_ring.c +++ b/drivers/staging/iio/meter/ade7758_ring.c @@ -5,24 +5,16 @@ * * Licensed under the GPL-2. */ +#include <linux/export.h> #include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/gpio.h> -#include <linux/workqueue.h> -#include <linux/mutex.h> -#include <linux/device.h> #include <linux/kernel.h> #include <linux/spi/spi.h> #include <linux/slab.h> -#include <linux/sysfs.h> -#include <linux/list.h> #include <asm/unaligned.h> #include "../iio.h" -#include "../sysfs.h" #include "../ring_sw.h" -#include "../accel/accel.h" -#include "../trigger.h" +#include "../trigger_consumer.h" #include "ade7758.h" /** @@ -69,8 +61,8 @@ out: static irqreturn_t ade7758_trigger_handler(int irq, void *p) { struct iio_poll_func *pf = p; - struct iio_dev *indio_dev = pf->private_data; - struct iio_ring_buffer *ring = indio_dev->ring; + struct iio_dev *indio_dev = pf->indio_dev; + struct iio_buffer *ring = indio_dev->buffer; struct ade7758_state *st = iio_priv(indio_dev); s64 dat64[2]; u32 *dat32 = (u32 *)dat64; @@ -100,14 +92,14 @@ 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_ring_buffer *ring = indio_dev->ring; + struct iio_buffer *ring = indio_dev->buffer; size_t d_size; unsigned channel; if (!ring->scan_count) return -EINVAL; - channel = __ffs(ring->scan_mask); + channel = find_first_bit(ring->scan_mask, indio_dev->masklength); d_size = st->ade7758_ring_channels[channel].scan_type.storagebits / 8; @@ -118,9 +110,9 @@ static int ade7758_ring_preenable(struct iio_dev *indio_dev) d_size += sizeof(s64) - (d_size % sizeof(s64)); } - if (indio_dev->ring->access->set_bytes_per_datum) - indio_dev->ring->access->set_bytes_per_datum(indio_dev->ring, - d_size); + 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); @@ -128,22 +120,16 @@ static int ade7758_ring_preenable(struct iio_dev *indio_dev) return 0; } -static const struct iio_ring_setup_ops ade7758_ring_setup_ops = { +static const struct iio_buffer_setup_ops ade7758_ring_setup_ops = { .preenable = &ade7758_ring_preenable, - .postenable = &iio_triggered_ring_postenable, - .predisable = &iio_triggered_ring_predisable, + .postenable = &iio_triggered_buffer_postenable, + .predisable = &iio_triggered_buffer_predisable, }; void ade7758_unconfigure_ring(struct iio_dev *indio_dev) { - /* ensure that the trigger has been detached */ - if (indio_dev->trig) { - iio_put_trigger(indio_dev->trig); - iio_trigger_dettach_poll_func(indio_dev->trig, - indio_dev->pollfunc); - } iio_dealloc_pollfunc(indio_dev->pollfunc); - iio_sw_rb_free(indio_dev->ring); + iio_sw_rb_free(indio_dev->buffer); } int ade7758_configure_ring(struct iio_dev *indio_dev) @@ -151,16 +137,16 @@ int ade7758_configure_ring(struct iio_dev *indio_dev) struct ade7758_state *st = iio_priv(indio_dev); int ret = 0; - indio_dev->ring = iio_sw_rb_allocate(indio_dev); - if (!indio_dev->ring) { + indio_dev->buffer = iio_sw_rb_allocate(indio_dev); + if (!indio_dev->buffer) { ret = -ENOMEM; return ret; } /* Effectively select the ring buffer implementation */ - indio_dev->ring->access = &ring_sw_access_funcs; - indio_dev->ring->setup_ops = &ade7758_ring_setup_ops; - indio_dev->ring->owner = THIS_MODULE; + indio_dev->buffer->access = &ring_sw_access_funcs; + indio_dev->buffer->setup_ops = &ade7758_ring_setup_ops; + indio_dev->buffer->owner = THIS_MODULE; indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time, &ade7758_trigger_handler, @@ -173,7 +159,7 @@ int ade7758_configure_ring(struct iio_dev *indio_dev) goto error_iio_sw_rb_free; } - indio_dev->modes |= INDIO_RING_TRIGGERED; + indio_dev->modes |= INDIO_BUFFER_TRIGGERED; st->tx_buf[0] = ADE7758_READ_REG(ADE7758_RSTATUS); st->tx_buf[1] = 0; @@ -211,11 +197,11 @@ int ade7758_configure_ring(struct iio_dev *indio_dev) return 0; error_iio_sw_rb_free: - iio_sw_rb_free(indio_dev->ring); + iio_sw_rb_free(indio_dev->buffer); return ret; } -void ade7758_uninitialize_ring(struct iio_ring_buffer *ring) +void ade7758_uninitialize_ring(struct iio_dev *indio_dev) { - iio_ring_buffer_unregister(ring); + iio_buffer_unregister(indio_dev); } |