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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2020-07-06 20:36:22 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-07-19 10:28:45 +0200 |
| commit | 8fcb7576ad197b0d65fe68ef60b7e1097e18df0c (patch) | |
| tree | a35c5b8c359a07c8c41932a5e40ca7fb621a1faa /drivers/media/platform | |
| parent | a439e57358ee1562257668d77b19f8f1a629a1fd (diff) | |
| download | linux-8fcb7576ad197b0d65fe68ef60b7e1097e18df0c.tar.bz2 | |
media: ti-vpe: cal: Allow multiple contexts per subdev notifier
The subdev notifier handling assumes a 1:1 mapping between CAL contexts
and notifiers. To prepare for merging the multiple notifiers into a
single one, retrieve the CAL context from the async subdev structure
instead of from the notifier.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/platform')
| -rw-r--r-- | drivers/media/platform/ti-vpe/cal.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/media/platform/ti-vpe/cal.c b/drivers/media/platform/ti-vpe/cal.c index b5eb6a640d70..83e790941e22 100644 --- a/drivers/media/platform/ti-vpe/cal.c +++ b/drivers/media/platform/ti-vpe/cal.c @@ -2115,11 +2115,22 @@ static void cal_ctx_v4l2_cleanup(struct cal_ctx *ctx) * ------------------------------------------------------------------ */ +struct cal_v4l2_async_subdev { + struct v4l2_async_subdev asd; + struct cal_ctx *ctx; +}; + +static inline struct cal_v4l2_async_subdev * +to_cal_asd(struct v4l2_async_subdev *asd) +{ + return container_of(asd, struct cal_v4l2_async_subdev, asd); +} + static int cal_async_bound(struct v4l2_async_notifier *notifier, struct v4l2_subdev *subdev, struct v4l2_async_subdev *asd) { - struct cal_ctx *ctx = notifier_to_ctx(notifier); + struct cal_ctx *ctx = to_cal_asd(asd)->ctx; if (ctx->phy->sensor) { ctx_info(ctx, "Rejecting subdev %s (Already set!!)", @@ -2148,6 +2159,7 @@ static const struct v4l2_async_notifier_operations cal_async_ops = { static int of_cal_create_instance(struct cal_ctx *ctx, int inst) { + struct cal_v4l2_async_subdev *casd; struct v4l2_async_subdev *asd; struct fwnode_handle *fwnode; int ret; @@ -2163,6 +2175,9 @@ static int of_cal_create_instance(struct cal_ctx *ctx, int inst) return PTR_ERR(asd); } + casd = to_cal_asd(asd); + casd->ctx = ctx; + ret = v4l2_async_notifier_register(&ctx->cal->v4l2_dev, &ctx->notifier); if (ret) { |