diff options
Diffstat (limited to 'drivers/staging/iio/adc/ad7476_ring.c')
| -rw-r--r-- | drivers/staging/iio/adc/ad7476_ring.c | 50 |
1 files changed, 21 insertions, 29 deletions
diff --git a/drivers/staging/iio/adc/ad7476_ring.c b/drivers/staging/iio/adc/ad7476_ring.c index a92fc5a1a604..e82c1a433f4f 100644 --- a/drivers/staging/iio/adc/ad7476_ring.c +++ b/drivers/staging/iio/adc/ad7476_ring.c @@ -11,20 +11,18 @@ #include <linux/device.h> #include <linux/kernel.h> #include <linux/slab.h> -#include <linux/sysfs.h> #include <linux/spi/spi.h> #include "../iio.h" -#include "../ring_generic.h" +#include "../buffer_generic.h" #include "../ring_sw.h" -#include "../trigger.h" -#include "../sysfs.h" +#include "../trigger_consumer.h" #include "ad7476.h" int ad7476_scan_from_ring(struct iio_dev *indio_dev) { - struct iio_ring_buffer *ring = indio_dev->ring; + struct iio_buffer *ring = indio_dev->buffer; int ret; u8 *ring_data; @@ -56,7 +54,7 @@ error_ret: static int ad7476_ring_preenable(struct iio_dev *indio_dev) { struct ad7476_state *st = iio_priv(indio_dev); - struct iio_ring_buffer *ring = indio_dev->ring; + struct iio_buffer *ring = indio_dev->buffer; st->d_size = ring->scan_count * st->chip_info->channel[0].scan_type.storagebits / 8; @@ -68,9 +66,9 @@ static int ad7476_ring_preenable(struct iio_dev *indio_dev) st->d_size += sizeof(s64) - (st->d_size % sizeof(s64)); } - if (indio_dev->ring->access->set_bytes_per_datum) - indio_dev->ring->access->set_bytes_per_datum(indio_dev->ring, - st->d_size); + if (indio_dev->buffer->access->set_bytes_per_datum) + indio_dev->buffer->access-> + set_bytes_per_datum(indio_dev->buffer, st->d_size); return 0; } @@ -78,7 +76,7 @@ static int ad7476_ring_preenable(struct iio_dev *indio_dev) static irqreturn_t ad7476_trigger_handler(int irq, void *p) { struct iio_poll_func *pf = p; - struct iio_dev *indio_dev = pf->private_data; + struct iio_dev *indio_dev = pf->indio_dev; struct ad7476_state *st = iio_priv(indio_dev); s64 time_ns; __u8 *rxbuf; @@ -95,11 +93,11 @@ static irqreturn_t ad7476_trigger_handler(int irq, void *p) time_ns = iio_get_time_ns(); - if (indio_dev->ring->scan_timestamp) + if (indio_dev->buffer->scan_timestamp) memcpy(rxbuf + st->d_size - sizeof(s64), &time_ns, sizeof(time_ns)); - indio_dev->ring->access->store_to(indio_dev->ring, rxbuf, time_ns); + indio_dev->buffer->access->store_to(indio_dev->buffer, rxbuf, time_ns); done: iio_trigger_notify_done(indio_dev->trig); kfree(rxbuf); @@ -107,10 +105,10 @@ done: return IRQ_HANDLED; } -static const struct iio_ring_setup_ops ad7476_ring_setup_ops = { +static const struct iio_buffer_setup_ops ad7476_ring_setup_ops = { .preenable = &ad7476_ring_preenable, - .postenable = &iio_triggered_ring_postenable, - .predisable = &iio_triggered_ring_predisable, + .postenable = &iio_triggered_buffer_postenable, + .predisable = &iio_triggered_buffer_predisable, }; int ad7476_register_ring_funcs_and_init(struct iio_dev *indio_dev) @@ -118,13 +116,13 @@ int ad7476_register_ring_funcs_and_init(struct iio_dev *indio_dev) struct ad7476_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; goto error_ret; } /* Effectively select the ring buffer implementation */ - indio_dev->ring->access = &ring_sw_access_funcs; + indio_dev->buffer->access = &ring_sw_access_funcs; indio_dev->pollfunc = iio_alloc_pollfunc(NULL, &ad7476_trigger_handler, @@ -139,27 +137,21 @@ int ad7476_register_ring_funcs_and_init(struct iio_dev *indio_dev) } /* Ring buffer functions - here trigger setup related */ - indio_dev->ring->setup_ops = &ad7476_ring_setup_ops; - indio_dev->ring->scan_timestamp = true; + indio_dev->buffer->setup_ops = &ad7476_ring_setup_ops; + indio_dev->buffer->scan_timestamp = true; /* Flag that polled ring buffering is possible */ - indio_dev->modes |= INDIO_RING_TRIGGERED; + indio_dev->modes |= INDIO_BUFFER_TRIGGERED; return 0; error_deallocate_sw_rb: - iio_sw_rb_free(indio_dev->ring); + iio_sw_rb_free(indio_dev->buffer); error_ret: return ret; } void ad7476_ring_cleanup(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); } |