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authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2020-07-01 09:21:39 +0300
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2020-07-19 15:16:58 +0300
commit3e33392a9561fd64515049317041646ab3bf32aa (patch)
tree3cd2c32a7b1c0a346481b1801219dc1f7af1341f /drivers/media
parentb98158d837efa0b2f2f59ee2ff77f4791f978d74 (diff)
downloadlinux-3e33392a9561fd64515049317041646ab3bf32aa.tar.xz
media: v4l2-async: Pass notifier pointer to match functions
The notifier is useful to match functions to access information about the device matching a subdev. This will be used to print messages using the correct struct device and driver name. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org> Tested-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/v4l2-core/v4l2-async.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c
index e9c3d41c9449..60833822ee89 100644
--- a/drivers/media/v4l2-core/v4l2-async.c
+++ b/drivers/media/v4l2-core/v4l2-async.c
@@ -50,7 +50,8 @@ static int v4l2_async_notifier_call_complete(struct v4l2_async_notifier *n)
return n->ops->complete(n);
}
-static bool match_i2c(struct v4l2_subdev *sd, struct v4l2_async_subdev *asd)
+static bool match_i2c(struct v4l2_async_notifier *notifier,
+ struct v4l2_subdev *sd, struct v4l2_async_subdev *asd)
{
#if IS_ENABLED(CONFIG_I2C)
struct i2c_client *client = i2c_verify_client(sd->dev);
@@ -63,13 +64,14 @@ static bool match_i2c(struct v4l2_subdev *sd, struct v4l2_async_subdev *asd)
#endif
}
-static bool match_devname(struct v4l2_subdev *sd,
- struct v4l2_async_subdev *asd)
+static bool match_devname(struct v4l2_async_notifier *notifier,
+ struct v4l2_subdev *sd, struct v4l2_async_subdev *asd)
{
return !strcmp(asd->match.device_name, dev_name(sd->dev));
}
-static bool match_fwnode(struct v4l2_subdev *sd, struct v4l2_async_subdev *asd)
+static bool match_fwnode(struct v4l2_async_notifier *notifier,
+ struct v4l2_subdev *sd, struct v4l2_async_subdev *asd)
{
struct fwnode_handle *other_fwnode;
struct fwnode_handle *dev_fwnode;
@@ -115,7 +117,8 @@ static bool match_fwnode(struct v4l2_subdev *sd, struct v4l2_async_subdev *asd)
return dev_fwnode == other_fwnode;
}
-static bool match_custom(struct v4l2_subdev *sd, struct v4l2_async_subdev *asd)
+static bool match_custom(struct v4l2_async_notifier *notifier,
+ struct v4l2_subdev *sd, struct v4l2_async_subdev *asd)
{
if (!asd->match.custom.match)
/* Match always */
@@ -132,7 +135,8 @@ static struct v4l2_async_subdev *
v4l2_async_find_match(struct v4l2_async_notifier *notifier,
struct v4l2_subdev *sd)
{
- bool (*match)(struct v4l2_subdev *sd, struct v4l2_async_subdev *asd);
+ bool (*match)(struct v4l2_async_notifier *notifier,
+ struct v4l2_subdev *sd, struct v4l2_async_subdev *asd);
struct v4l2_async_subdev *asd;
list_for_each_entry(asd, &notifier->waiting, list) {
@@ -157,7 +161,7 @@ v4l2_async_find_match(struct v4l2_async_notifier *notifier,
}
/* match cannot be NULL here */
- if (match(sd, asd))
+ if (match(notifier, sd, asd))
return asd;
}