diff options
Diffstat (limited to 'drivers/media/test-drivers/vimc/vimc-common.c')
| -rw-r--r-- | drivers/media/test-drivers/vimc/vimc-common.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/media/test-drivers/vimc/vimc-common.c b/drivers/media/test-drivers/vimc/vimc-common.c index 2e72974e35b4..4f4fcb26e236 100644 --- a/drivers/media/test-drivers/vimc/vimc-common.c +++ b/drivers/media/test-drivers/vimc/vimc-common.c @@ -8,6 +8,8 @@ #include <linux/init.h> #include <linux/module.h> +#include <media/v4l2-ctrls.h> + #include "vimc-common.h" /* @@ -358,6 +360,7 @@ int vimc_ent_sd_register(struct vimc_ent_device *ved, u32 function, u16 num_pads, struct media_pad *pads, + const struct v4l2_subdev_internal_ops *int_ops, const struct v4l2_subdev_ops *sd_ops) { int ret; @@ -367,6 +370,7 @@ int vimc_ent_sd_register(struct vimc_ent_device *ved, /* Initialize the subdev */ v4l2_subdev_init(sd, sd_ops); + sd->internal_ops = int_ops; sd->entity.function = function; sd->entity.ops = &vimc_ent_sd_mops; sd->owner = THIS_MODULE; @@ -383,17 +387,36 @@ int vimc_ent_sd_register(struct vimc_ent_device *ved, if (ret) return ret; + /* + * Finalize the subdev initialization if it supports active states. Use + * the control handler lock as the state lock if available. + */ + if (int_ops && int_ops->init_state) { + if (sd->ctrl_handler) + sd->state_lock = sd->ctrl_handler->lock; + + ret = v4l2_subdev_init_finalize(sd); + if (ret) { + dev_err(v4l2_dev->dev, + "%s: subdev initialization failed (err=%d)\n", + name, ret); + goto err_clean_m_ent; + } + } + /* Register the subdev with the v4l2 and the media framework */ ret = v4l2_device_register_subdev(v4l2_dev, sd); if (ret) { dev_err(v4l2_dev->dev, "%s: subdev register failed (err=%d)\n", name, ret); - goto err_clean_m_ent; + goto err_clean_sd; } return 0; +err_clean_sd: + v4l2_subdev_cleanup(sd); err_clean_m_ent: media_entity_cleanup(&sd->entity); return ret; |