iio: Update iio_channel_get_all and iio_channel_get_all_cb API
Pass device pointer instead of device name as parameter to iio_channel_get_all
and iio_channel_get_all_cb. This will enable us to use OF information to
retrieve consumer channel information.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/drivers/iio/buffer_cb.c b/drivers/iio/buffer_cb.c
index 4d40e24..9201022 100644
--- a/drivers/iio/buffer_cb.c
+++ b/drivers/iio/buffer_cb.c
@@ -25,7 +25,7 @@
.store_to = &iio_buffer_cb_store_to,
};
-struct iio_cb_buffer *iio_channel_get_all_cb(const char *name,
+struct iio_cb_buffer *iio_channel_get_all_cb(struct device *dev,
int (*cb)(u8 *data,
void *private),
void *private)
@@ -46,7 +46,7 @@
cb_buff->buffer.access = &iio_cb_access;
INIT_LIST_HEAD(&cb_buff->buffer.demux_list);
- cb_buff->channels = iio_channel_get_all(name);
+ cb_buff->channels = iio_channel_get_all(dev);
if (IS_ERR(cb_buff->channels)) {
ret = PTR_ERR(cb_buff->channels);
goto error_free_cb_buff;
diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index d55e98f..58d0ffe 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -167,16 +167,18 @@
}
EXPORT_SYMBOL_GPL(iio_channel_release);
-struct iio_channel *iio_channel_get_all(const char *name)
+struct iio_channel *iio_channel_get_all(struct device *dev)
{
+ const char *name;
struct iio_channel *chans;
struct iio_map_internal *c = NULL;
int nummaps = 0;
int mapind = 0;
int i, ret;
- if (name == NULL)
+ if (dev == NULL)
return ERR_PTR(-EINVAL);
+ name = dev_name(dev);
mutex_lock(&iio_map_list_lock);
/* first count the matching maps */
diff --git a/drivers/staging/iio/iio_hwmon.c b/drivers/staging/iio/iio_hwmon.c
index d4ef34f..93af756 100644
--- a/drivers/staging/iio/iio_hwmon.c
+++ b/drivers/staging/iio/iio_hwmon.c
@@ -71,14 +71,17 @@
int ret, i;
int in_i = 1, temp_i = 1, curr_i = 1;
enum iio_chan_type type;
+ struct iio_channel *channels;
+
+ channels = iio_channel_get_all(dev);
+ if (IS_ERR(channels))
+ return PTR_ERR(channels);
st = devm_kzalloc(dev, sizeof(*st), GFP_KERNEL);
if (st == NULL)
return -ENOMEM;
- st->channels = iio_channel_get_all(dev_name(dev));
- if (IS_ERR(st->channels))
- return PTR_ERR(st->channels);
+ st->channels = channels;
/* count how many attributes we have */
while (st->channels[st->num_channels].indio_dev)