commit fc6d11398e22a3b2cfd7c3b8421653c6075b624b
author Michael Hennerich <michael.hennerich@analog.com> Fri Apr 27 10:58:36 2012 +0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Sun Apr 29 21:26:17 2012 -0400
tree 9347433ec6449472a10b48d3d01c8526b048a03b
parent 73e016ef94d801bd0278959606d2f72f07a2abab

iio: core: iio_chan_spec_ext_info: Add private handle

There is currently no user, but we might need it in future.
So better add it now, before we have to convert drivers afterwards.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/iio/industrialio-core.c

diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 47a7247..72e33b8 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -281,7 +281,7 @@
 
 	ext_info = &this_attr->c->ext_info[this_attr->address];
 
-	return ext_info->read(indio_dev, this_attr->c, buf);
+	return ext_info->read(indio_dev, ext_info->private, this_attr->c, buf);
 }
 
 static ssize_t iio_write_channel_ext_info(struct device *dev,
@@ -295,7 +295,8 @@
 
 	ext_info = &this_attr->c->ext_info[this_attr->address];
 
-	return ext_info->write(indio_dev, this_attr->c, buf, len);
+	return ext_info->write(indio_dev, ext_info->private,
+			       this_attr->c, buf, len);
 }
 
 static ssize_t iio_read_channel_info(struct device *dev,

drivers/staging/iio/dac/ad5064.c

diff --git a/drivers/staging/iio/dac/ad5064.c b/drivers/staging/iio/dac/ad5064.c
index bce641a..047148a 100644
--- a/drivers/staging/iio/dac/ad5064.c
+++ b/drivers/staging/iio/dac/ad5064.c
@@ -144,14 +144,14 @@
 };
 
 static ssize_t ad5064_read_powerdown_mode_available(struct iio_dev *indio_dev,
-	const struct iio_chan_spec *chan, char *buf)
+	uintptr_t private, const struct iio_chan_spec *chan, char *buf)
 {
 	return sprintf(buf, "%s %s %s\n", ad5064_powerdown_modes[1],
 		ad5064_powerdown_modes[2], ad5064_powerdown_modes[3]);
 }
 
 static ssize_t ad5064_read_powerdown_mode(struct iio_dev *indio_dev,
-	const struct iio_chan_spec *chan, char *buf)
+	uintptr_t private, const struct iio_chan_spec *chan, char *buf)
 {
 	struct ad5064_state *st = iio_priv(indio_dev);
 
@@ -160,7 +160,8 @@
 }
 
 static ssize_t ad5064_write_powerdown_mode(struct iio_dev *indio_dev,
-	const struct iio_chan_spec *chan, const char *buf, size_t len)
+	uintptr_t private, const struct iio_chan_spec *chan, const char *buf,
+	size_t len)
 {
 	struct ad5064_state *st = iio_priv(indio_dev);
 	unsigned int mode, i;
@@ -187,7 +188,7 @@
 }
 
 static ssize_t ad5064_read_dac_powerdown(struct iio_dev *indio_dev,
-	const struct iio_chan_spec *chan, char *buf)
+	uintptr_t private, const struct iio_chan_spec *chan, char *buf)
 {
 	struct ad5064_state *st = iio_priv(indio_dev);
 
@@ -195,7 +196,8 @@
 }
 
 static ssize_t ad5064_write_dac_powerdown(struct iio_dev *indio_dev,
-	const struct iio_chan_spec *chan, const char *buf, size_t len)
+	 uintptr_t private, const struct iio_chan_spec *chan, const char *buf,
+	 size_t len)
 {
 	struct ad5064_state *st = iio_priv(indio_dev);
 	bool pwr_down;

drivers/staging/iio/dac/ad5446.c

diff --git a/drivers/staging/iio/dac/ad5446.c b/drivers/staging/iio/dac/ad5446.c
index 3b2551f..daa65b3 100644
--- a/drivers/staging/iio/dac/ad5446.c
+++ b/drivers/staging/iio/dac/ad5446.c
@@ -46,13 +46,14 @@
 };
 
 static ssize_t ad5446_read_powerdown_mode_available(struct iio_dev *indio_dev,
-	const struct iio_chan_spec *chan, char *buf)
+	uintptr_t private, const struct iio_chan_spec *chan, char *buf)
 {
 	return sprintf(buf, "%s %s %s\n", ad5446_powerdown_modes[1],
 		ad5446_powerdown_modes[2], ad5446_powerdown_modes[3]);
 }
 
 static ssize_t ad5446_write_powerdown_mode(struct iio_dev *indio_dev,
+					    uintptr_t private,
 					    const struct iio_chan_spec *chan,
 					    const char *buf, size_t len)
 {
@@ -73,6 +74,7 @@
 }
 
 static ssize_t ad5446_read_powerdown_mode(struct iio_dev *indio_dev,
+					   uintptr_t private,
 					   const struct iio_chan_spec *chan,
 					   char *buf)
 {
@@ -82,6 +84,7 @@
 }
 
 static ssize_t ad5446_read_dac_powerdown(struct iio_dev *indio_dev,
+					   uintptr_t private,
 					   const struct iio_chan_spec *chan,
 					   char *buf)
 {
@@ -91,6 +94,7 @@
 }
 
 static ssize_t ad5446_write_dac_powerdown(struct iio_dev *indio_dev,
+					    uintptr_t private,
 					    const struct iio_chan_spec *chan,
 					    const char *buf, size_t len)
 {