Commit b3f73b21 authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Hans Verkuil
Browse files

media: vimc: Initialize subdev active state



Finalize subdev initialization for all subdevs that provide a
.init_state() operation. This creates an active state for all those
subdevs, which subsequent patches will use to simplify the
implementation of individual vimc entities.

Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarShuah Khan <skhan@linuxfoundation.org>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
parent 556d821a
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+22 −1
Original line number Diff line number Diff line
@@ -8,6 +8,8 @@
#include <linux/init.h>
#include <linux/module.h>

#include <media/v4l2-ctrls.h>

#include "vimc-common.h"

/*
@@ -385,17 +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;
+1 −0
Original line number Diff line number Diff line
@@ -540,6 +540,7 @@ static void vimc_debayer_release(struct vimc_ent_device *ved)
		container_of(ved, struct vimc_debayer_device, ved);

	v4l2_ctrl_handler_free(&vdebayer->hdl);
	v4l2_subdev_cleanup(&vdebayer->sd);
	media_entity_cleanup(vdebayer->ved.ent);
	kfree(vdebayer);
}
+1 −0
Original line number Diff line number Diff line
@@ -92,6 +92,7 @@ static void vimc_lens_release(struct vimc_ent_device *ved)
		container_of(ved, struct vimc_lens_device, ved);

	v4l2_ctrl_handler_free(&vlens->hdl);
	v4l2_subdev_cleanup(&vlens->sd);
	media_entity_cleanup(vlens->ved.ent);
	kfree(vlens);
}
+1 −0
Original line number Diff line number Diff line
@@ -398,6 +398,7 @@ static void vimc_scaler_release(struct vimc_ent_device *ved)
	struct vimc_scaler_device *vscaler =
		container_of(ved, struct vimc_scaler_device, ved);

	v4l2_subdev_cleanup(&vscaler->sd);
	media_entity_cleanup(vscaler->ved.ent);
	kfree(vscaler);
}
+1 −0
Original line number Diff line number Diff line
@@ -340,6 +340,7 @@ static void vimc_sensor_release(struct vimc_ent_device *ved)

	v4l2_ctrl_handler_free(&vsensor->hdl);
	tpg_free(&vsensor->tpg);
	v4l2_subdev_cleanup(&vsensor->sd);
	media_entity_cleanup(vsensor->ved.ent);
	kfree(vsensor);
}