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Subject: media: vimc: Initialize subdev active state
Author: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Date: Thu Apr 25 02:57:38 2024 +0300
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: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Signed-off-by: Shuah Khan <sk...@linuxfoundation.org>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
drivers/media/test-drivers/vimc/vimc-common.c | 23 ++++++++++++++++++++++-
drivers/media/test-drivers/vimc/vimc-debayer.c | 1 +
drivers/media/test-drivers/vimc/vimc-lens.c | 1 +
drivers/media/test-drivers/vimc/vimc-scaler.c | 1 +
drivers/media/test-drivers/vimc/vimc-sensor.c | 1 +
5 files changed, 26 insertions(+), 1 deletion(-)
---
diff --git a/drivers/media/test-drivers/vimc/vimc-common.c
b/drivers/media/test-drivers/vimc/vimc-common.c
index 3da2271215c6..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"
/*
@@ -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;
diff --git a/drivers/media/test-drivers/vimc/vimc-debayer.c
b/drivers/media/test-drivers/vimc/vimc-debayer.c
index d4ca57b3672d..9f8a31fb0695 100644
--- a/drivers/media/test-drivers/vimc/vimc-debayer.c
+++ b/drivers/media/test-drivers/vimc/vimc-debayer.c
@@ -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);
}
diff --git a/drivers/media/test-drivers/vimc/vimc-lens.c
b/drivers/media/test-drivers/vimc/vimc-lens.c
index 42c58a3e3f1b..96399057a2b5 100644
--- a/drivers/media/test-drivers/vimc/vimc-lens.c
+++ b/drivers/media/test-drivers/vimc/vimc-lens.c
@@ -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);
}
diff --git a/drivers/media/test-drivers/vimc/vimc-scaler.c
b/drivers/media/test-drivers/vimc/vimc-scaler.c
index 4f9c44a663e1..f8639f5b4d0c 100644
--- a/drivers/media/test-drivers/vimc/vimc-scaler.c
+++ b/drivers/media/test-drivers/vimc/vimc-scaler.c
@@ -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);
}
diff --git a/drivers/media/test-drivers/vimc/vimc-sensor.c
b/drivers/media/test-drivers/vimc/vimc-sensor.c
index 5c31d9435cdd..9eb24c4791bf 100644
--- a/drivers/media/test-drivers/vimc/vimc-sensor.c
+++ b/drivers/media/test-drivers/vimc/vimc-sensor.c
@@ -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);
}
