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-rw-r--r--drivers/staging/iio/adc/Makefile2
-rw-r--r--drivers/staging/iio/adc/ad7476.c (renamed from drivers/staging/iio/adc/ad7476_core.c)63
-rw-r--r--drivers/staging/iio/adc/ad7476.h56
-rw-r--r--drivers/staging/iio/adc/ad7476_ring.c56
4 files changed, 59 insertions, 118 deletions
diff --git a/drivers/staging/iio/adc/Makefile b/drivers/staging/iio/adc/Makefile
index ecac9a0bb358..6b60af038616 100644
--- a/drivers/staging/iio/adc/Makefile
+++ b/drivers/staging/iio/adc/Makefile
@@ -17,8 +17,6 @@ ad799x-y := ad799x_core.o
ad799x-$(CONFIG_AD799X_RING_BUFFER) += ad799x_ring.o
obj-$(CONFIG_AD799X) += ad799x.o
-ad7476-y := ad7476_core.o
-ad7476-$(CONFIG_IIO_BUFFER) += ad7476_ring.o
obj-$(CONFIG_AD7476) += ad7476.o
ad7887-y := ad7887_core.o
diff --git a/drivers/staging/iio/adc/ad7476_core.c b/drivers/staging/iio/adc/ad7476.c
index 3be34f9ef169..12e6e4b36a5f 100644
--- a/drivers/staging/iio/adc/ad7476_core.c
+++ b/drivers/staging/iio/adc/ad7476.c
@@ -18,8 +18,62 @@
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#include <linux/iio/buffer.h>
+#include <linux/iio/trigger_consumer.h>
+#include <linux/iio/triggered_buffer.h>
-#include "ad7476.h"
+#define RES_MASK(bits) ((1 << (bits)) - 1)
+
+struct ad7476_chip_info {
+ unsigned int int_vref_uv;
+ struct iio_chan_spec channel[2];
+};
+
+struct ad7476_state {
+ struct spi_device *spi;
+ const struct ad7476_chip_info *chip_info;
+ struct regulator *reg;
+ struct spi_transfer xfer;
+ struct spi_message msg;
+ /*
+ * DMA (thus cache coherency maintenance) requires the
+ * transfer buffers to live in their own cache lines.
+ * Make the buffer large enough for one 16 bit sample and one 64 bit
+ * aligned 64 bit timestamp.
+ */
+ unsigned char data[ALIGN(2, sizeof(s64)) + sizeof(s64)]
+ ____cacheline_aligned;
+};
+
+enum ad7476_supported_device_ids {
+ ID_AD7466,
+ ID_AD7467,
+ ID_AD7468,
+ ID_AD7495
+};
+
+static irqreturn_t ad7476_trigger_handler(int irq, void *p)
+{
+ struct iio_poll_func *pf = p;
+ struct iio_dev *indio_dev = pf->indio_dev;
+ struct ad7476_state *st = iio_priv(indio_dev);
+ s64 time_ns;
+ int b_sent;
+
+ b_sent = spi_sync(st->spi, &st->msg);
+ if (b_sent < 0)
+ goto done;
+
+ time_ns = iio_get_time_ns();
+
+ if (indio_dev->scan_timestamp)
+ ((s64 *)st->data)[1] = time_ns;
+
+ iio_push_to_buffer(indio_dev->buffer, st->data);
+done:
+ iio_trigger_notify_done(indio_dev->trig);
+
+ return IRQ_HANDLED;
+}
static int ad7476_scan_direct(struct ad7476_state *st)
{
@@ -155,7 +209,8 @@ static int __devinit ad7476_probe(struct spi_device *spi)
spi_message_init(&st->msg);
spi_message_add_tail(&st->xfer, &st->msg);
- ret = ad7476_register_ring_funcs_and_init(indio_dev);
+ ret = iio_triggered_buffer_setup(indio_dev, NULL,
+ &ad7476_trigger_handler, NULL);
if (ret)
goto error_disable_reg;
@@ -165,7 +220,7 @@ static int __devinit ad7476_probe(struct spi_device *spi)
return 0;
error_ring_unregister:
- ad7476_ring_cleanup(indio_dev);
+ iio_triggered_buffer_cleanup(indio_dev);
error_disable_reg:
regulator_disable(st->reg);
error_put_reg:
@@ -183,7 +238,7 @@ static int __devexit ad7476_remove(struct spi_device *spi)
struct ad7476_state *st = iio_priv(indio_dev);
iio_device_unregister(indio_dev);
- ad7476_ring_cleanup(indio_dev);
+ iio_triggered_buffer_cleanup(indio_dev);
regulator_disable(st->reg);
regulator_put(st->reg);
iio_device_free(indio_dev);
diff --git a/drivers/staging/iio/adc/ad7476.h b/drivers/staging/iio/adc/ad7476.h
deleted file mode 100644
index 4ed5494bd5f9..000000000000
--- a/drivers/staging/iio/adc/ad7476.h
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * AD7476/5/7/8 (A) SPI ADC driver
- *
- * Copyright 2010 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-#ifndef IIO_ADC_AD7476_H_
-#define IIO_ADC_AD7476_H_
-
-#define RES_MASK(bits) ((1 << (bits)) - 1)
-
-struct ad7476_chip_info {
- unsigned int int_vref_uv;
- struct iio_chan_spec channel[2];
-};
-
-struct ad7476_state {
- struct spi_device *spi;
- const struct ad7476_chip_info *chip_info;
- struct regulator *reg;
- struct spi_transfer xfer;
- struct spi_message msg;
- /*
- * DMA (thus cache coherency maintenance) requires the
- * transfer buffers to live in their own cache lines.
- * Make the buffer large enough for one 16 bit sample and one 64 bit
- * aligned 64 bit timestamp.
- */
- unsigned char data[ALIGN(2, sizeof(s64)) + sizeof(s64)]
- ____cacheline_aligned;
-};
-
-enum ad7476_supported_device_ids {
- ID_AD7466,
- ID_AD7467,
- ID_AD7468,
- ID_AD7495
-};
-
-#ifdef CONFIG_IIO_BUFFER
-int ad7476_register_ring_funcs_and_init(struct iio_dev *indio_dev);
-void ad7476_ring_cleanup(struct iio_dev *indio_dev);
-#else /* CONFIG_IIO_BUFFER */
-
-static inline int
-ad7476_register_ring_funcs_and_init(struct iio_dev *indio_dev)
-{
- return 0;
-}
-
-static inline void ad7476_ring_cleanup(struct iio_dev *indio_dev)
-{
-}
-#endif /* CONFIG_IIO_BUFFER */
-#endif /* IIO_ADC_AD7476_H_ */
diff --git a/drivers/staging/iio/adc/ad7476_ring.c b/drivers/staging/iio/adc/ad7476_ring.c
deleted file mode 100644
index 3c869b05f209..000000000000
--- a/drivers/staging/iio/adc/ad7476_ring.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright 2010-2012 Analog Devices Inc.
- * Copyright (C) 2008 Jonathan Cameron
- *
- * Licensed under the GPL-2 or later.
- *
- * ad7476_ring.c
- */
-
-#include <linux/interrupt.h>
-#include <linux/device.h>
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/spi/spi.h>
-
-#include <linux/iio/iio.h>
-#include <linux/iio/buffer.h>
-#include <linux/iio/trigger_consumer.h>
-#include <linux/iio/triggered_buffer.h>
-
-#include "ad7476.h"
-
-static irqreturn_t ad7476_trigger_handler(int irq, void *p)
-{
- struct iio_poll_func *pf = p;
- struct iio_dev *indio_dev = pf->indio_dev;
- struct ad7476_state *st = iio_priv(indio_dev);
- s64 time_ns;
- int b_sent;
-
- b_sent = spi_sync(st->spi, &st->msg);
- if (b_sent < 0)
- goto done;
-
- time_ns = iio_get_time_ns();
-
- if (indio_dev->scan_timestamp)
- ((s64 *)st->data)[1] = time_ns;
-
- iio_push_to_buffer(indio_dev->buffer, st->data);
-done:
- iio_trigger_notify_done(indio_dev->trig);
-
- return IRQ_HANDLED;
-}
-
-int ad7476_register_ring_funcs_and_init(struct iio_dev *indio_dev)
-{
- return iio_triggered_buffer_setup(indio_dev, NULL,
- &ad7476_trigger_handler, NULL);
-}
-
-void ad7476_ring_cleanup(struct iio_dev *indio_dev)
-{
- iio_triggered_buffer_cleanup(indio_dev);
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-25 03:47:15 +0000