[prev in list] [next in list] [prev in thread] [next in thread]
List: linux-iio
Subject: [PATCH 2/4] staging:iio:in kernel users: Add a data field for channel specific info.
From: Jonathan Cameron <jic23 () kernel ! org>
Date: 2012-10-31 10:30:29
Message-ID: 1351679431-7963-3-git-send-email-jic23 () kernel ! org
[Download RAW message or body]
Used to allow information about a given channel mapping to be passed
through from board files to the consumer drivers.
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
---
drivers/iio/inkern.c | 1 +
include/linux/iio/consumer.h | 2 ++
include/linux/iio/machine.h | 2 ++
3 files changed, 5 insertions(+)
diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index b394621..d55e98f 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -203,6 +203,7 @@ struct iio_channel *iio_channel_get_all(const char *name)
if (name && strcmp(name, c->map->consumer_dev_name) != 0)
continue;
chans[mapind].indio_dev = c->indio_dev;
+ chans[mapind].data = c->map->consumer_data;
chans[mapind].channel =
iio_chan_spec_from_name(chans[mapind].indio_dev,
c->map->adc_channel_label);
diff --git a/include/linux/iio/consumer.h b/include/linux/iio/consumer.h
index e875bcf..57efee6 100644
--- a/include/linux/iio/consumer.h
+++ b/include/linux/iio/consumer.h
@@ -18,10 +18,12 @@ struct iio_chan_spec;
* struct iio_channel - everything needed for a consumer to use a channel
* @indio_dev: Device on which the channel exists.
* @channel: Full description of the channel.
+ * @data: Data about the channel used by consumer.
*/
struct iio_channel {
struct iio_dev *indio_dev;
const struct iio_chan_spec *channel;
+ void *data;
};
/**
diff --git a/include/linux/iio/machine.h b/include/linux/iio/machine.h
index 809a3f0..1601a2a 100644
--- a/include/linux/iio/machine.h
+++ b/include/linux/iio/machine.h
@@ -19,11 +19,13 @@
* @consumer_dev_name: Name to uniquely identify the consumer device.
* @consumer_channel: Unique name used to identify the channel on the
* consumer side.
+ * @consumer_data: Data about the channel for use by the consumer driver.
*/
struct iio_map {
const char *adc_channel_label;
const char *consumer_dev_name;
const char *consumer_channel;
+ void *consumer_data;
};
#endif
--
1.7.12.4
--
To unsubscribe from this list: send the line "unsubscribe linux-iio" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
[prev in list] [next in list] [prev in thread] [next in thread]
Configure |
About |
News |
Add a list |
Sponsored by KoreLogic