* if this struct is embedded into a larger struct.
* @name: unique device name, by default the driver name + bus ID
* @notify: notify callback called by some sub-devices.
- * @ctrl_handler: The control handler. May be NULL.
+ * @ctrl_handler: The control handler. May be %NULL.
* @prio: Device's priority state
* @ref: Keep track of the references to this struct.
* @release: Release function that is called when the ref count
*
* .. note::
*
- * #) dev->driver_data points to this struct.
- * #) dev might be NULL if there is no parent device
+ * #) @dev->driver_data points to this struct.
+ * #) @dev might be %NULL if there is no parent device
*/
struct v4l2_device {
/**
* v4l2_device_get - gets a V4L2 device reference
*
- * @v4l2_dev: pointer to struct v4l2_device
+ * @v4l2_dev: pointer to struct &v4l2_device
*
* This is an ancillary routine meant to increment the usage for the
- * struct v4l2_device pointed by @v4l2_dev.
+ * struct &v4l2_device pointed by @v4l2_dev.
*/
static inline void v4l2_device_get(struct v4l2_device *v4l2_dev)
{
/**
* v4l2_device_put - putss a V4L2 device reference
*
- * @v4l2_dev: pointer to struct v4l2_device
+ * @v4l2_dev: pointer to struct &v4l2_device
*
* This is an ancillary routine meant to decrement the usage for the
- * struct v4l2_device pointed by @v4l2_dev.
+ * struct &v4l2_device pointed by @v4l2_dev.
*/
int v4l2_device_put(struct v4l2_device *v4l2_dev);
/**
- * v4l2_device_register -Initialize v4l2_dev and make dev->driver_data
- * point to v4l2_dev.
+ * v4l2_device_register - Initialize v4l2_dev and make @dev->driver_data
+ * point to @v4l2_dev.
*
- * @dev: pointer to struct device
- * @v4l2_dev: pointer to struct v4l2_device
+ * @dev: pointer to struct &device
+ * @v4l2_dev: pointer to struct &v4l2_device
*
* .. note::
- * dev may be NULL in rare cases (ISA devices).
- * In such case the caller must fill in the v4l2_dev->name field
+ * @dev may be %NULL in rare cases (ISA devices).
+ * In such case the caller must fill in the @v4l2_dev->name field
* before calling this function.
*/
int __must_check v4l2_device_register(struct device *dev,
/**
* v4l2_device_set_name - Optional function to initialize the
- * name field of struct v4l2_device
+ * name field of struct &v4l2_device
*
- * @v4l2_dev: pointer to struct v4l2_device
+ * @v4l2_dev: pointer to struct &v4l2_device
* @basename: base name for the device name
* @instance: pointer to a static atomic_t var with the instance usage for
- * the device driver.
+ * the device driver.
*
- * v4l2_device_set_name() initializes the name field of struct v4l2_device
+ * v4l2_device_set_name() initializes the name field of struct &v4l2_device
* using the driver name and a driver-global atomic_t instance.
*
* This function will increment the instance counter and returns the
*
* ...
*
- * instance = v4l2_device_set_name(&v4l2_dev, "foo", &drv_instance);
+ * instance = v4l2_device_set_name(&\ v4l2_dev, "foo", &\ drv_instance);
*
* The first time this is called the name field will be set to foo0 and
* this function returns 0. If the name ends with a digit (e.g. cx18),
* @v4l2_dev: pointer to struct v4l2_device
*
* Should be called when the USB parent disconnects.
- * Since the parent disappears, this ensures that v4l2_dev doesn't have
+ * Since the parent disappears, this ensures that @v4l2_dev doesn't have
* an invalid parent pointer.
*
- * .. note:: This function sets v4l2_dev->dev to NULL.
+ * .. note:: This function sets @v4l2_dev->dev to NULL.
*/
void v4l2_device_disconnect(struct v4l2_device *v4l2_dev);
/**
* v4l2_device_unregister - Unregister all sub-devices and any other
- * resources related to v4l2_dev.
+ * resources related to @v4l2_dev.
*
* @v4l2_dev: pointer to struct v4l2_device
*/
/**
* v4l2_device_register_subdev - Registers a subdev with a v4l2 device.
*
- * @v4l2_dev: pointer to struct v4l2_device
- * @sd: pointer to struct v4l2_subdev
+ * @v4l2_dev: pointer to struct &v4l2_device
+ * @sd: pointer to struct &v4l2_subdev
*
* While registered, the subdev module is marked as in-use.
*
/**
* v4l2_device_unregister_subdev - Unregisters a subdev with a v4l2 device.
*
- * @sd: pointer to struct v4l2_subdev
+ * @sd: pointer to struct &v4l2_subdev
*
* .. note ::
*
/**
* v4l2_device_register_subdev_nodes - Registers device nodes for all subdevs
* of the v4l2 device that are marked with
- * the V4L2_SUBDEV_FL_HAS_DEVNODE flag.
+ * the %V4L2_SUBDEV_FL_HAS_DEVNODE flag.
*
* @v4l2_dev: pointer to struct v4l2_device
*/
/**
* v4l2_subdev_notify - Sends a notification to v4l2_device.
*
- * @sd: pointer to struct v4l2_subdev
+ * @sd: pointer to struct &v4l2_subdev
* @notification: type of notification. Please notice that the notification
- * type is driver-specific.
+ * type is driver-specific.
* @arg: arguments for the notification. Those are specific to each
* notification type.
*/
Ignore any errors. Note that you cannot add or delete a subdev
while walking the subdevs list. */
#define __v4l2_device_call_subdevs_p(v4l2_dev, sd, cond, o, f, args...) \
- do { \
+ do { \
list_for_each_entry((sd), &(v4l2_dev)->subdevs, list) \
if ((cond) && (sd)->ops->o && (sd)->ops->o->f) \
(sd)->ops->o->f((sd) , ##args); \
return with that error code. Note that you cannot add or delete a
subdev while walking the subdevs list. */
#define __v4l2_device_call_subdevs_until_err_p(v4l2_dev, sd, cond, o, f, args...) \
-({ \
+({ \
long __err = 0; \
\
list_for_each_entry((sd), &(v4l2_dev)->subdevs, list) { \
if ((cond) && (sd)->ops->o && (sd)->ops->o->f) \
__err = (sd)->ops->o->f((sd) , ##args); \
if (__err && __err != -ENOIOCTLCMD) \
- break; \
- } \
+ break; \
+ } \
(__err == -ENOIOCTLCMD) ? 0 : __err; \
})
match them all). If the callback returns an error other than 0 or
-ENOIOCTLCMD, then return with that error code. Note that you cannot
add or delete a subdev while walking the subdevs list. */
-#define v4l2_device_call_until_err(v4l2_dev, grpid, o, f, args...) \
+#define v4l2_device_call_until_err(v4l2_dev, grpid, o, f, args...) \
({ \
struct v4l2_subdev *__sd; \
__v4l2_device_call_subdevs_until_err_p(v4l2_dev, __sd, \
/*
* Call the specified callback for all subdevs where grp_id & grpmsk != 0
- * (if grpmsk == `0, then match them all). If the callback returns an error
- * other than 0 or -ENOIOCTLCMD, then return with that error code. Note that
+ * (if grpmsk == 0, then match them all). If the callback returns an error
+ * other than 0 or %-ENOIOCTLCMD, then return with that error code. Note that
* you cannot add or delete a subdev while walking the subdevs list.
*/
#define v4l2_device_mask_call_until_err(v4l2_dev, grpmsk, o, f, args...) \
projects / cascardo / linux.git / blobdiff