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iio: trigger: Add missing fields in kernel docs 

Fix kernel docs warnings by adding the missing description
for each of the existing function parameters.

Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
hifive-unleashed-5.1
Cristina Opriceana 2015-08-06 14:56:02 +03:00 committed by Jonathan Cameron
parent 655665d67c
commit 8e563b0dab
1 changed files with 24 additions and 3 deletions
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27
drivers/iio/industrialio-trigger.c
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@ -40,7 +40,14 @@ static DEFINE_MUTEX(iio_trigger_list_lock);
/**
* iio_trigger_read_name() - retrieve useful identifying name
**/
* @dev: device associated with the iio_trigger
* @attr: pointer to the device_attribute structure that is
* being processed
* @buf: buffer to print the name into
*
* Return: a negative number on failure or the number of written
* characters on success.
*/
static ssize_t iio_trigger_read_name(struct device *dev,
struct device_attribute *attr,
char *buf)
@ -288,10 +295,17 @@ EXPORT_SYMBOL_GPL(iio_dealloc_pollfunc);
/**
* iio_trigger_read_current() - trigger consumer sysfs query current trigger
* @dev: device associated with an industrial I/O device
* @attr: pointer to the device_attribute structure that
* is being processed
* @buf: buffer where the current trigger name will be printed into
*
* For trigger consumers the current_trigger interface allows the trigger
* used by the device to be queried.
**/
*
* Return: a negative number on failure, the number of characters written
* on success or 0 if no trigger is available
*/
static ssize_t iio_trigger_read_current(struct device *dev,
struct device_attribute *attr,
char *buf)
@ -305,11 +319,18 @@ static ssize_t iio_trigger_read_current(struct device *dev,
/**
* iio_trigger_write_current() - trigger consumer sysfs set current trigger
* @dev: device associated with an industrial I/O device
* @attr: device attribute that is being processed
* @buf: string buffer that holds the name of the trigger
* @len: length of the trigger name held by buf
*
* For trigger consumers the current_trigger interface allows the trigger
* used for this device to be specified at run time based on the trigger's
* name.
**/
*
* Return: negative error code on failure or length of the buffer
* on success
*/
static ssize_t iio_trigger_write_current(struct device *dev,
struct device_attribute *attr,
const char *buf,