diff options
| author | Steve Longerbeam <slongerbeam@gmail.com> | 2020-05-01 20:15:48 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-05-18 15:21:35 +0300 |
| commit | 6e996653e757407d616d1f1fef760f74db6ef92c (patch) | |
| tree | 39cd5ed4d54e6acb998651e4a957b99dcaceadad | |
| parent | 8b4713c9939b6aa638b95a97d6b30eadaae799b0 (diff) | |
| download | linux-6e996653e757407d616d1f1fef760f74db6ef92c.tar.xz | |
media: imx7: mipi csis: Create media links in bound notifier
Implement a notifier bound op to register media links from the remote
sub-device's source pad(s) to the mipi csi-2 receiver sink pad.
Signed-off-by: Steve Longerbeam <slongerbeam@gmail.com>
Acked-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
| -rw-r--r-- | drivers/staging/media/imx/imx7-mipi-csis.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c b/drivers/staging/media/imx/imx7-mipi-csis.c index 2da59d298ccf..7612993cc1d6 100644 --- a/drivers/staging/media/imx/imx7-mipi-csis.c +++ b/drivers/staging/media/imx/imx7-mipi-csis.c @@ -26,6 +26,7 @@ #include <media/v4l2-device.h> #include <media/v4l2-fwnode.h> +#include <media/v4l2-mc.h> #include <media/v4l2-subdev.h> #define CSIS_DRIVER_NAME "imx7-mipi-csis" @@ -385,6 +386,12 @@ static int mipi_csis_dump_regs(struct csi_state *state) return 0; } +static struct csi_state * +mipi_notifier_to_csis_state(struct v4l2_async_notifier *n) +{ + return container_of(n, struct csi_state, notifier); +} + static struct csi_state *mipi_sd_to_csis_state(struct v4l2_subdev *sdev) { return container_of(sdev, struct csi_state, mipi_sd); @@ -948,6 +955,20 @@ static int mipi_csis_parse_dt(struct platform_device *pdev, static int mipi_csis_pm_resume(struct device *dev, bool runtime); +static int mipi_csis_notify_bound(struct v4l2_async_notifier *notifier, + struct v4l2_subdev *sd, + struct v4l2_async_subdev *asd) +{ + struct csi_state *state = mipi_notifier_to_csis_state(notifier); + struct media_pad *sink = &state->mipi_sd.entity.pads[CSIS_PAD_SINK]; + + return v4l2_create_fwnode_links_to_pad(sd, sink); +} + +static const struct v4l2_async_notifier_operations mipi_csis_notify_ops = { + .bound = mipi_csis_notify_bound, +}; + static int mipi_csis_subdev_init(struct v4l2_subdev *mipi_sd, struct platform_device *pdev, const struct v4l2_subdev_ops *ops) @@ -1016,6 +1037,8 @@ static int mipi_csis_async_register(struct csi_state *state) fwnode_handle_put(ep); + state->notifier.ops = &mipi_csis_notify_ops; + ret = v4l2_async_subdev_notifier_register(&state->mipi_sd, &state->notifier); if (ret) |