Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxx>
---
drivers/staging/iio/accel/lis3l02dq.h | 11 +--
drivers/staging/iio/accel/lis3l02dq_core.c | 116 ++++++++++++++-----------
drivers/staging/iio/accel/lis3l02dq_ring.c | 131 +++++++++-------------------
3 files changed, 113 insertions(+), 145 deletions(-)
diff --git a/drivers/staging/iio/accel/lis3l02dq.h b/drivers/staging/iio/accel/lis3l02dq.h
index 6de172e..44669ee 100644
--- a/drivers/staging/iio/accel/lis3l02dq.h
+++ b/drivers/staging/iio/accel/lis3l02dq.h
@@ -148,30 +148,29 @@ Form of high byte dependant on justification set in ctrl reg */
#define LIS3L02DQ_MAX_RX 12
/**
* struct lis3l02dq_state - device instance specific data
+ * @helper: data and func pointer allowing generic functions
* @us: actual spi_device
- * @work_trigger_to_ring: bh for triggered event handling
* @work_thresh: bh for threshold events
* @inter: used to check if new interrupt has been triggered
- * @last_timestamp: passing timestamp from th to bh of interrupt handler
- * @indio_dev: industrial I/O device structure
* @trig: data ready trigger registered with iio
* @tx: transmit buffer
* @rx: recieve buffer
* @buf_lock: mutex to protect tx and rx
**/
struct lis3l02dq_state {
+ struct iio_sw_ring_helper_state help;
struct spi_device *us;
- struct work_struct work_trigger_to_ring;
struct work_struct work_thresh;
bool inter;
- s64 last_timestamp;
- struct iio_dev *indio_dev;
struct iio_trigger *trig;
u8 *tx;
u8 *rx;
struct mutex buf_lock;
};
+#define lis3l02dq_h_to_s(_h) \
+ container_of(_h, struct lis3l02dq_state, help)
+
int lis3l02dq_spi_read_reg_8(struct device *dev,
u8 reg_address,
u8 *val);
diff --git a/drivers/staging/iio/accel/lis3l02dq_core.c b/drivers/staging/iio/accel/lis3l02dq_core.c
index f86ffb8..2ce8d11 100644
--- a/drivers/staging/iio/accel/lis3l02dq_core.c
+++ b/drivers/staging/iio/accel/lis3l02dq_core.c
@@ -28,6 +28,8 @@
#include "../iio.h"
#include "../sysfs.h"
#include "../ring_generic.h"
+#include "../ring_sw.h"
+
#include "accel.h"
#include "lis3l02dq.h"
@@ -48,7 +50,9 @@ int lis3l02dq_spi_read_reg_8(struct device *dev, u8 reg_address, u8 *val)
int ret;
struct spi_message msg;
struct iio_dev *indio_dev = dev_get_drvdata(dev);
- struct lis3l02dq_state *st = iio_dev_get_devdata(indio_dev);
+ struct iio_sw_ring_helper_state *h = iio_dev_get_devdata(indio_dev);
+ struct lis3l02dq_state *st = lis3l02dq_h_to_s(h);
+
struct spi_transfer xfer = {
.tx_buf = st->tx,
.rx_buf = st->rx,
@@ -83,7 +87,9 @@ int lis3l02dq_spi_write_reg_8(struct device *dev,
int ret;
struct spi_message msg;
struct iio_dev *indio_dev = dev_get_drvdata(dev);
- struct lis3l02dq_state *st = iio_dev_get_devdata(indio_dev);
+ struct iio_sw_ring_helper_state *h
+ = iio_dev_get_devdata(indio_dev);
+ struct lis3l02dq_state *st = lis3l02dq_h_to_s(h);
struct spi_transfer xfer = {
.tx_buf = st->tx,
.bits_per_word = 8,
@@ -117,7 +123,9 @@ static int lis3l02dq_spi_write_reg_s16(struct device *dev,
int ret;
struct spi_message msg;
struct iio_dev *indio_dev = dev_get_drvdata(dev);
- struct lis3l02dq_state *st = iio_dev_get_devdata(indio_dev);
+ struct iio_sw_ring_helper_state *h
+ = iio_dev_get_devdata(indio_dev);
+ struct lis3l02dq_state *st = lis3l02dq_h_to_s(h);
struct spi_transfer xfers[] = { {
.tx_buf = st->tx,
.bits_per_word = 8,
@@ -159,7 +167,9 @@ static int lis3l02dq_spi_read_reg_s16(struct device *dev,
{
struct spi_message msg;
struct iio_dev *indio_dev = dev_get_drvdata(dev);
- struct lis3l02dq_state *st = iio_dev_get_devdata(indio_dev);
+ struct iio_sw_ring_helper_state *h
+ = iio_dev_get_devdata(indio_dev);
+ struct lis3l02dq_state *st = lis3l02dq_h_to_s(h);
int ret;
struct spi_transfer xfers[] = { {
.tx_buf = st->tx,
@@ -412,7 +422,7 @@ static int lis3l02dq_initial_setup(struct lis3l02dq_state *st)
val = LIS3L02DQ_DEFAULT_CTRL1;
/* Write suitable defaults to ctrl1 */
- ret = lis3l02dq_spi_write_reg_8(&st->indio_dev->dev,
+ ret = lis3l02dq_spi_write_reg_8(&st->help.indio_dev->dev,
LIS3L02DQ_REG_CTRL_1_ADDR,
&val);
if (ret) {
@@ -420,7 +430,7 @@ static int lis3l02dq_initial_setup(struct lis3l02dq_state *st)
goto err_ret;
}
/* Repeat as sometimes doesn't work first time?*/
- ret = lis3l02dq_spi_write_reg_8(&st->indio_dev->dev,
+ ret = lis3l02dq_spi_write_reg_8(&st->help.indio_dev->dev,
LIS3L02DQ_REG_CTRL_1_ADDR,
&val);
if (ret) {
@@ -430,17 +440,17 @@ static int lis3l02dq_initial_setup(struct lis3l02dq_state *st)
/* Read back to check this has worked acts as loose test of correct
* chip */
- ret = lis3l02dq_spi_read_reg_8(&st->indio_dev->dev,
+ ret = lis3l02dq_spi_read_reg_8(&st->help.indio_dev->dev,
LIS3L02DQ_REG_CTRL_1_ADDR,
&valtest);
if (ret || (valtest != val)) {
- dev_err(&st->indio_dev->dev, "device not playing ball");
+ dev_err(&st->help.indio_dev->dev, "device not playing ball");
ret = -EINVAL;
goto err_ret;
}
val = LIS3L02DQ_DEFAULT_CTRL2;
- ret = lis3l02dq_spi_write_reg_8(&st->indio_dev->dev,
+ ret = lis3l02dq_spi_write_reg_8(&st->help.indio_dev->dev,
LIS3L02DQ_REG_CTRL_2_ADDR,
&val);
if (ret) {
@@ -449,7 +459,7 @@ static int lis3l02dq_initial_setup(struct lis3l02dq_state *st)
}
val = LIS3L02DQ_REG_WAKE_UP_CFG_LATCH_SRC;
- ret = lis3l02dq_spi_write_reg_8(&st->indio_dev->dev,
+ ret = lis3l02dq_spi_write_reg_8(&st->help.indio_dev->dev,
LIS3L02DQ_REG_WAKE_UP_CFG_ADDR,
&val);
if (ret)
@@ -595,15 +605,17 @@ error_mutex_unlock:
}
-static int lis3l02dq_thresh_handler_th(struct iio_dev *dev_info,
+static int lis3l02dq_thresh_handler_th(struct iio_dev *indio_dev,
int index,
s64 timestamp,
int no_test)
{
- struct lis3l02dq_state *st = dev_info->dev_data;
+ struct iio_sw_ring_helper_state *h
+ = iio_dev_get_devdata(indio_dev);
+ struct lis3l02dq_state *st = lis3l02dq_h_to_s(h);
/* Stash the timestamp somewhere convenient for the bh */
- st->last_timestamp = timestamp;
+ h->last_timestamp = timestamp;
schedule_work(&st->work_thresh);
return 0;
@@ -621,43 +633,43 @@ static void lis3l02dq_thresh_handler_bh_no_check(struct work_struct *work_s)
u8 t;
- lis3l02dq_spi_read_reg_8(&st->indio_dev->dev,
+ lis3l02dq_spi_read_reg_8(&st->help.indio_dev->dev,
LIS3L02DQ_REG_WAKE_UP_SRC_ADDR,
&t);
if (t & LIS3L02DQ_REG_WAKE_UP_SRC_INTERRUPT_Z_HIGH)
- iio_push_event(st->indio_dev, 0,
+ iio_push_event(st->help.indio_dev, 0,
IIO_EVENT_CODE_ACCEL_Z_HIGH,
- st->last_timestamp);
+ st->help.last_timestamp);
if (t & LIS3L02DQ_REG_WAKE_UP_SRC_INTERRUPT_Z_LOW)
- iio_push_event(st->indio_dev, 0,
+ iio_push_event(st->help.indio_dev, 0,
IIO_EVENT_CODE_ACCEL_Z_LOW,
- st->last_timestamp);
+ st->help.last_timestamp);
if (t & LIS3L02DQ_REG_WAKE_UP_SRC_INTERRUPT_Y_HIGH)
- iio_push_event(st->indio_dev, 0,
+ iio_push_event(st->help.indio_dev, 0,
IIO_EVENT_CODE_ACCEL_Y_HIGH,
- st->last_timestamp);
+ st->help.last_timestamp);
if (t & LIS3L02DQ_REG_WAKE_UP_SRC_INTERRUPT_Y_LOW)
- iio_push_event(st->indio_dev, 0,
+ iio_push_event(st->help.indio_dev, 0,
IIO_EVENT_CODE_ACCEL_Y_LOW,
- st->last_timestamp);
+ st->help.last_timestamp);
if (t & LIS3L02DQ_REG_WAKE_UP_SRC_INTERRUPT_X_HIGH)
- iio_push_event(st->indio_dev, 0,
+ iio_push_event(st->help.indio_dev, 0,
IIO_EVENT_CODE_ACCEL_X_HIGH,
- st->last_timestamp);
+ st->help.last_timestamp);
if (t & LIS3L02DQ_REG_WAKE_UP_SRC_INTERRUPT_X_LOW)
- iio_push_event(st->indio_dev, 0,
+ iio_push_event(st->help.indio_dev, 0,
IIO_EVENT_CODE_ACCEL_X_LOW,
- st->last_timestamp);
+ st->help.last_timestamp);
/* reenable the irq */
enable_irq(st->us->irq);
/* Ack and allow for new interrupts */
- lis3l02dq_spi_read_reg_8(&st->indio_dev->dev,
+ lis3l02dq_spi_read_reg_8(&st->help.indio_dev->dev,
LIS3L02DQ_REG_WAKE_UP_ACK_ADDR,
&t);
@@ -769,30 +781,30 @@ static int __devinit lis3l02dq_probe(struct spi_device *spi)
st->us = spi;
mutex_init(&st->buf_lock);
/* setup the industrialio driver allocated elements */
- st->indio_dev = iio_allocate_device();
- if (st->indio_dev == NULL) {
+ st->help.indio_dev = iio_allocate_device();
+ if (st->help.indio_dev == NULL) {
ret = -ENOMEM;
goto error_free_tx;
}
- st->indio_dev->dev.parent = &spi->dev;
- st->indio_dev->num_interrupt_lines = 1;
- st->indio_dev->event_attrs = &lis3l02dq_event_attribute_group;
- st->indio_dev->attrs = &lis3l02dq_attribute_group;
- st->indio_dev->dev_data = (void *)(st);
- st->indio_dev->driver_module = THIS_MODULE;
- st->indio_dev->modes = INDIO_DIRECT_MODE;
+ st->help.indio_dev->dev.parent = &spi->dev;
+ st->help.indio_dev->num_interrupt_lines = 1;
+ st->help.indio_dev->event_attrs = &lis3l02dq_event_attribute_group;
+ st->help.indio_dev->attrs = &lis3l02dq_attribute_group;
+ st->help.indio_dev->dev_data = (void *)(&st->help);
+ st->help.indio_dev->driver_module = THIS_MODULE;
+ st->help.indio_dev->modes = INDIO_DIRECT_MODE;
- ret = lis3l02dq_configure_ring(st->indio_dev);
+ ret = lis3l02dq_configure_ring(st->help.indio_dev);
if (ret)
goto error_free_dev;
- ret = iio_device_register(st->indio_dev);
+ ret = iio_device_register(st->help.indio_dev);
if (ret)
goto error_unreg_ring_funcs;
regdone = 1;
- ret = iio_ring_buffer_register(st->indio_dev->ring, 0);
+ ret = iio_ring_buffer_register(st->help.indio_dev->ring, 0);
if (ret) {
printk(KERN_ERR "failed to initialize the ring\n");
goto error_unreg_ring_funcs;
@@ -801,14 +813,14 @@ static int __devinit lis3l02dq_probe(struct spi_device *spi)
if (spi->irq && gpio_is_valid(irq_to_gpio(spi->irq)) > 0) {
st->inter = 0;
ret = iio_register_interrupt_line(spi->irq,
- st->indio_dev,
+ st->help.indio_dev,
0,
IRQF_TRIGGER_RISING,
"lis3l02dq");
if (ret)
goto error_uninitialize_ring;
- ret = lis3l02dq_probe_trigger(st->indio_dev);
+ ret = lis3l02dq_probe_trigger(st->help.indio_dev);
if (ret)
goto error_unregister_line;
}
@@ -820,20 +832,20 @@ static int __devinit lis3l02dq_probe(struct spi_device *spi)
return 0;
error_remove_trigger:
- if (st->indio_dev->modes & INDIO_RING_TRIGGERED)
- lis3l02dq_remove_trigger(st->indio_dev);
+ if (st->help.indio_dev->modes & INDIO_RING_TRIGGERED)
+ lis3l02dq_remove_trigger(st->help.indio_dev);
error_unregister_line:
- if (st->indio_dev->modes & INDIO_RING_TRIGGERED)
- iio_unregister_interrupt_line(st->indio_dev, 0);
+ if (st->help.indio_dev->modes & INDIO_RING_TRIGGERED)
+ iio_unregister_interrupt_line(st->help.indio_dev, 0);
error_uninitialize_ring:
- iio_ring_buffer_unregister(st->indio_dev->ring);
+ iio_ring_buffer_unregister(st->help.indio_dev->ring);
error_unreg_ring_funcs:
- lis3l02dq_unconfigure_ring(st->indio_dev);
+ lis3l02dq_unconfigure_ring(st->help.indio_dev);
error_free_dev:
if (regdone)
- iio_device_unregister(st->indio_dev);
+ iio_device_unregister(st->help.indio_dev);
else
- iio_free_device(st->indio_dev);
+ iio_free_device(st->help.indio_dev);
error_free_tx:
kfree(st->tx);
error_free_rx:
@@ -848,7 +860,9 @@ error_ret:
static int lis3l02dq_stop_device(struct iio_dev *indio_dev)
{
int ret;
- struct lis3l02dq_state *st = indio_dev->dev_data;
+ struct iio_sw_ring_helper_state *h
+ = iio_dev_get_devdata(indio_dev);
+ struct lis3l02dq_state *st = lis3l02dq_h_to_s(h);
u8 val = 0;
mutex_lock(&indio_dev->mlock);
@@ -875,7 +889,7 @@ static int lis3l02dq_remove(struct spi_device *spi)
{
int ret;
struct lis3l02dq_state *st = spi_get_drvdata(spi);
- struct iio_dev *indio_dev = st->indio_dev;
+ struct iio_dev *indio_dev = st->help.indio_dev;
ret = lis3l02dq_stop_device(indio_dev);
if (ret)
diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c
index 2c11209..48e0f21 100644
--- a/drivers/staging/iio/accel/lis3l02dq_ring.c
+++ b/drivers/staging/iio/accel/lis3l02dq_ring.c
@@ -105,11 +105,13 @@ static struct attribute_group lis3l02dq_scan_el_group = {
**/
static void lis3l02dq_poll_func_th(struct iio_dev *indio_dev, s64 time)
{
- struct lis3l02dq_state *st = iio_dev_get_devdata(indio_dev);
- st->last_timestamp = time;
- schedule_work(&st->work_trigger_to_ring);
- /* Indicate that this interrupt is being handled */
+ struct iio_sw_ring_helper_state *h
+ = iio_dev_get_devdata(indio_dev);
+ struct lis3l02dq_state *st = lis3l02dq_h_to_s(h);
+ /* in this case we need to slightly extend the helper function */
+ iio_sw_poll_func_th(indio_dev, time);
+ /* Indicate that this interrupt is being handled */
/* Technically this is trigger related, but without this
* handler running there is currently now way for the interrupt
* to clear.
@@ -120,15 +122,16 @@ static void lis3l02dq_poll_func_th(struct iio_dev *indio_dev, s64 time)
/**
* lis3l02dq_data_rdy_trig_poll() the event handler for the data rdy trig
**/
-static int lis3l02dq_data_rdy_trig_poll(struct iio_dev *dev_info,
+static int lis3l02dq_data_rdy_trig_poll(struct iio_dev *indio_dev,
int index,
s64 timestamp,
int no_test)
{
- struct lis3l02dq_state *st = iio_dev_get_devdata(dev_info);
- struct iio_trigger *trig = st->trig;
+ struct iio_sw_ring_helper_state *h
+ = iio_dev_get_devdata(indio_dev);
+ struct lis3l02dq_state *st = lis3l02dq_h_to_s(h);
- iio_trigger_poll(trig, timestamp);
+ iio_trigger_poll(st->trig, timestamp);
return IRQ_HANDLED;
}
@@ -212,7 +215,7 @@ static int lis3l02dq_read_all(struct lis3l02dq_state *st, u8 *rx_array)
struct spi_message msg;
int ret, i, j = 0;
- xfers = kzalloc((st->indio_dev->scan_count) * 2
+ xfers = kzalloc((st->help.indio_dev->scan_count) * 2
* sizeof(*xfers), GFP_KERNEL);
if (!xfers)
return -ENOMEM;
@@ -220,7 +223,7 @@ static int lis3l02dq_read_all(struct lis3l02dq_state *st, u8 *rx_array)
mutex_lock(&st->buf_lock);
for (i = 0; i < ARRAY_SIZE(read_all_tx_array)/4; i++) {
- if (st->indio_dev->scan_mask & (1 << i)) {
+ if (st->help.indio_dev->scan_mask & (1 << i)) {
/* lower byte */
xfers[j].tx_buf = st->tx + 2*j;
st->tx[2*j] = read_all_tx_array[i*4];
@@ -248,7 +251,7 @@ static int lis3l02dq_read_all(struct lis3l02dq_state *st, u8 *rx_array)
* values in alternate bytes
*/
spi_message_init(&msg);
- for (j = 0; j < st->indio_dev->scan_count * 2; j++)
+ for (j = 0; j < st->help.indio_dev->scan_count * 2; j++)
spi_message_add_tail(&xfers[j], &msg);
ret = spi_sync(st->us, &msg);
@@ -258,62 +261,19 @@ static int lis3l02dq_read_all(struct lis3l02dq_state *st, u8 *rx_array)
return ret;
}
-
-/* Whilst this makes a lot of calls to iio_sw_ring functions - it is to device
- * specific to be rolled into the core.
- */
-static void lis3l02dq_trigger_bh_to_ring(struct work_struct *work_s)
-{
- struct lis3l02dq_state *st
- = container_of(work_s, struct lis3l02dq_state,
- work_trigger_to_ring);
-
- u8 *rx_array;
- int i = 0;
- u16 *data;
- size_t datasize = st->indio_dev
- ->ring->access.get_bpd(st->indio_dev->ring);
-
- data = kmalloc(datasize , GFP_KERNEL);
- if (data == NULL) {
- dev_err(&st->us->dev, "memory alloc failed in ring bh");
- return;
- }
- /* Due to interleaved nature of transmission this buffer must be
- * twice the number of bytes, or 4 times the number of channels
- */
- rx_array = kmalloc(4 * (st->indio_dev->scan_count), GFP_KERNEL);
- if (rx_array == NULL) {
- dev_err(&st->us->dev, "memory alloc failed in ring bh");
- kfree(data);
- return;
+static int lis3l02dq_get_ring_element(struct iio_sw_ring_helper_state *h,
+ u8 *buf) {
+ int ret, i;
+ u8 *rx_array = NULL;
+ ret = lis3l02dq_read_all(lis3l02dq_h_to_s(h), rx_array);
+ if (ret > 0) {
+ for (i = 0; i < h->indio_dev->scan_count; i++)
+ buf[i] = combine_8_to_16(rx_array[i*4+1],
+ rx_array[i*4+3]);
+ kfree(rx_array);
+ return 0;
}
-
- /* whilst trigger specific, if this read does nto occur the data
- ready interrupt will not be cleared. Need to add a mechanism
- to provide a dummy read function if this is not triggering on
- the data ready function but something else is.
- */
- st->inter = 0;
-
- if (st->indio_dev->scan_count)
- if (lis3l02dq_read_all(st, rx_array) >= 0)
- for (; i < st->indio_dev->scan_count; i++)
- data[i] = combine_8_to_16(rx_array[i*4+1],
- rx_array[i*4+3]);
- /* Guaranteed to be aligned with 8 byte boundary */
- if (st->indio_dev->scan_timestamp)
- *((s64 *)(data + ((i + 3)/4)*4)) = st->last_timestamp;
-
- st->indio_dev->ring->access.store_to(st->indio_dev->ring,
- (u8 *)data,
- st->last_timestamp);
-
- iio_trigger_notify_done(st->indio_dev->trig);
- kfree(rx_array);
- kfree(data);
-
- return;
+ return ret;
}
/* Caller responsible for locking as necessary. */
@@ -387,7 +347,7 @@ static int lis3l02dq_data_rdy_trigger_set_state(struct iio_trigger *trig,
struct lis3l02dq_state *st = trig->private_data;
int ret = 0;
u8 t;
- __lis3l02dq_write_data_ready_config(&st->indio_dev->dev,
+ __lis3l02dq_write_data_ready_config(&st->help.indio_dev->dev,
&iio_event_data_rdy_trig,
state);
if (state == false) {
@@ -397,7 +357,7 @@ static int lis3l02dq_data_rdy_trigger_set_state(struct iio_trigger *trig,
/* Clear any outstanding ready events */
ret = lis3l02dq_read_all(st, NULL);
}
- lis3l02dq_spi_read_reg_8(&st->indio_dev->dev,
+ lis3l02dq_spi_read_reg_8(&st->help.indio_dev->dev,
LIS3L02DQ_REG_WAKE_UP_SRC_ADDR,
&t);
return ret;
@@ -500,12 +460,12 @@ void lis3l02dq_unconfigure_ring(struct iio_dev *indio_dev)
int lis3l02dq_configure_ring(struct iio_dev *indio_dev)
{
- int ret = 0;
- struct lis3l02dq_state *st = indio_dev->dev_data;
- struct iio_ring_buffer *ring;
- INIT_WORK(&st->work_trigger_to_ring, lis3l02dq_trigger_bh_to_ring);
+ int ret;
+ struct iio_sw_ring_helper_state *h = iio_dev_get_devdata(indio_dev);
+
+ INIT_WORK(&h->work_trigger_to_ring, iio_sw_trigger_bh_to_ring);
/* Set default scan mode */
-
+ h->get_ring_element = &lis3l02dq_get_ring_element;
iio_scan_mask_set(indio_dev, iio_scan_el_accel_x.number);
iio_scan_mask_set(indio_dev, iio_scan_el_accel_y.number);
iio_scan_mask_set(indio_dev, iio_scan_el_accel_z.number);
@@ -513,19 +473,17 @@ int lis3l02dq_configure_ring(struct iio_dev *indio_dev)
indio_dev->scan_el_attrs = &lis3l02dq_scan_el_group;
- ring = iio_sw_rb_allocate(indio_dev);
- if (!ring) {
- ret = -ENOMEM;
- return ret;
- }
- indio_dev->ring = ring;
+ indio_dev->ring = iio_sw_rb_allocate(indio_dev);
+ if (!indio_dev->ring)
+ return -ENOMEM;
+
/* Effectively select the ring buffer implementation */
- iio_ring_sw_register_funcs(&ring->access);
- ring->bpe = 2;
- ring->preenable = &iio_sw_ring_preenable;
- ring->postenable = &iio_triggered_ring_postenable;
- ring->predisable = &iio_triggered_ring_predisable;
- ring->owner = THIS_MODULE;
+ iio_ring_sw_register_funcs(&indio_dev->ring->access);
+ indio_dev->ring->bpe = 2;
+ indio_dev->ring->preenable = &iio_sw_ring_preenable;
+ indio_dev->ring->postenable = &iio_triggered_ring_postenable;
+ indio_dev->ring->predisable = &iio_triggered_ring_predisable;
+ indio_dev->ring->owner = THIS_MODULE;
ret = iio_alloc_pollfunc(indio_dev, NULL, &lis3l02dq_poll_func_th);
if (ret)
@@ -537,6 +495,3 @@ error_iio_sw_rb_free:
iio_sw_rb_free(indio_dev->ring);
return ret;
}
-
-
-
--
1.7.0.4
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