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media: qcom: camss: unconditionally set async notifier of subdevices

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For sake of simplicity it makes sense to register all CAMSS subdevices
from its async notifier, this will cover all possible use cases, even
if there is no connected sensors to the CAMSS ISP.

Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Tested-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
This commit is contained in:
Vladimir Zapolskiy 2025-09-03 03:22:52 +03:00 committed by Mauro Carvalho Chehab
parent 17ad461622
commit 605af91e90
1 changed files with 8 additions and 22 deletions
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30
drivers/media/platform/qcom/camss/camss.c
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@ -4151,7 +4151,6 @@ static int camss_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct camss *camss;
int num_subdevs;
int ret;
camss = devm_kzalloc(dev, sizeof(*camss), GFP_KERNEL);
@ -4222,11 +4221,9 @@ static int camss_probe(struct platform_device *pdev)
pm_runtime_enable(dev);
num_subdevs = camss_of_parse_ports(camss);
if (num_subdevs < 0) {
ret = num_subdevs;
ret = camss_of_parse_ports(camss);
if (ret < 0)
goto err_v4l2_device_unregister;
}
ret = camss_register_entities(camss);
if (ret < 0)
@ -4242,23 +4239,12 @@ static int camss_probe(struct platform_device *pdev)
goto err_register_subdevs;
}
if (num_subdevs) {
camss->notifier.ops = &camss_subdev_notifier_ops;
ret = v4l2_async_nf_register(&camss->notifier);
if (ret) {
dev_err(dev,
"Failed to register async subdev nodes: %d\n",
ret);
goto err_media_device_unregister;
}
} else {
ret = v4l2_device_register_subdev_nodes(&camss->v4l2_dev);
if (ret < 0) {
dev_err(dev, "Failed to register subdev nodes: %d\n",
ret);
goto err_media_device_unregister;
}
camss->notifier.ops = &camss_subdev_notifier_ops;
ret = v4l2_async_nf_register(&camss->notifier);
if (ret) {
dev_err(dev,
"Failed to register async subdev nodes: %d\n", ret);
goto err_media_device_unregister;
}
return 0;