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authorCristina Opriceana <cristina.opriceana@gmail.com>2015-07-24 16:18:09 +0300
committerJonathan Cameron <jic23@kernel.org>2015-08-02 20:27:09 +0300
commit0123635a77f72e0787f6f8b3ac796a40f796fcc4 (patch)
treefd4fd21c946828c919bb2ea5046a725f9be5a8fd /drivers/iio
parent2498dcf6e09b3ecce2b32ed6434bd02fc4219d5b (diff)
downloadlinux-0123635a77f72e0787f6f8b3ac796a40f796fcc4.tar.xz
iio: buffer: Fix kernel docs warnings
Fix kernel docs for structures and functions in order to remove some warnings when the documentation gets generated. Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/industrialio-buffer.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c
index f72be48e650c..faed6efa49ec 100644
--- a/drivers/iio/industrialio-buffer.c
+++ b/drivers/iio/industrialio-buffer.c
@@ -91,9 +91,16 @@ static bool iio_buffer_ready(struct iio_dev *indio_dev, struct iio_buffer *buf,
/**
* iio_buffer_read_first_n_outer() - chrdev read for buffer access
+ * @filp: File structure pointer for the char device
+ * @buf: Destination buffer for iio buffer read
+ * @n: First n bytes to read
+ * @f_ps: Long offset provided by the user as a seek position
*
* This function relies on all buffer implementations having an
* iio_buffer as their first element.
+ *
+ * Return: negative values corresponding to error codes or ret != 0
+ * for ending the reading activity
**/
ssize_t iio_buffer_read_first_n_outer(struct file *filp, char __user *buf,
size_t n, loff_t *f_ps)
@@ -143,6 +150,12 @@ ssize_t iio_buffer_read_first_n_outer(struct file *filp, char __user *buf,
/**
* iio_buffer_poll() - poll the buffer to find out if it has data
+ * @filp: File structure pointer for device access
+ * @wait: Poll table structure pointer for which the driver adds
+ * a wait queue
+ *
+ * Return: (POLLIN | POLLRDNORM) if data is available for reading
+ * or 0 for other cases
*/
unsigned int iio_buffer_poll(struct file *filp,
struct poll_table_struct *wait)
@@ -1136,7 +1149,7 @@ int iio_scan_mask_query(struct iio_dev *indio_dev,
EXPORT_SYMBOL_GPL(iio_scan_mask_query);
/**
- * struct iio_demux_table() - table describing demux memcpy ops
+ * struct iio_demux_table - table describing demux memcpy ops
* @from: index to copy from
* @to: index to copy to
* @length: how many bytes to copy