- 27 Sep, 2023 40 commits
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Laurent Pinchart authored
Stopping streaming on a camera pipeline at system suspend time, and restarting it at system resume time, requires coordinated action between the bridge driver and the camera sensor driver. This is handled by the bridge driver calling the sensor's .s_stream() handler at system suspend and resume time. There is thus no need for the sensor to independently implement system sleep PM operations. Drop them. The streaming field of the driver's private structure is now unused, drop it as well. Signed-off-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by:
Krzysztof Hałasa <khalasa@piap.pl> Signed-off-by:
Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by:
Hans Verkuil <hverkuil-cisco@xs4all.nl>
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Laurent Pinchart authored
Camera sensor drivers are highly subject to cargo cult programming, with back practices being copied from old to new drivers. In particular, many drivers implement system and runtime PM incorrectly. As a first step towards fixing this situation, refactor and expand the power management documentation to detail correct usage of system and runtime PM. Signed-off-by:
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Laurent Pinchart authored
Move the power management section up, just after clocks, as it relates to internal system resources and not features exposed to applications. The text itself is otherwise unchanged. Signed-off-by:
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Laurent Pinchart authored
The Documentation/devicetree/bindings/clock/clock-bindings.txt file is deprecated and points to clock-bindings.yaml, which is not hosted in the kernel source tree. Use an HTTPS link to refer to the YAML binding document. While at it, drop "currently" from the paragraph, as the whole file refers to the current recommended practices except where explicitly noted. Signed-off-by:
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Laurent Pinchart authored
Drop an unneeded double colon, and use 'shall' instead of 'must' for consistency with the rest of the file. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. The streaming field of the driver's private structure is now unused, drop it as well. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. The streaming field of the driver's private structure is now unused, drop it as well. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. The streaming field of the driver's private structure is now unused, drop it as well. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. The streaming field of the driver's private structure is now unused, drop it as well. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. The streaming field of the driver's private structure is now unused, drop it as well. Signed-off-by:
Mikhail Rudenko <mike.rudenko@gmail.com> [Sakari Ailus: remove now-redundant "streaming" from comment.] Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. The streaming field of the driver's private structure is now unused, drop it as well. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. The streaming field of the driver's private structure is now unused, drop it as well. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. The streaming field of the driver's private structure is now unused, drop it as well. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. The streaming field of the driver's private structure is now unused, drop it as well. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. The streaming field of the driver's private structure is now unused, drop it as well. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. Signed-off-by:
Dave Stevenson <dave.stevenson@raspberrypi.com> Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. Signed-off-by:
Ricardo Ribalda <ribalda@chromium.org> Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. Signed-off-by:
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Laurent Pinchart authored
The subdev .s_stream() operation must not be called to start an already started subdev, or stop an already stopped one. This requirement has never been formally documented. Fix it, and catch possible offenders with a WARN_ON() in the call_s_stream() wrapper. Signed-off-by:
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Hao Yao authored
This commit adds support for: - 1364x768 at 120 FPS Signed-off-by:
Hao Yao <hao.yao@intel.com> Signed-off-by:
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Fabio Estevam authored
As explained in the description text from trivial-devices.yaml: "This is a list of trivial I2C and SPI devices that have simple device tree bindings, consisting only of a compatible field, an address and possibly an interrupt line." A camera device does not fall into this category as it needs other properties such as regulators, reset and powerdown GPIOs, clocks, media endpoint. Remove the OV5642 entry from trivial-devices.yaml and add its own ovti,ov5642.yaml. Signed-off-by:
Fabio Estevam <festevam@denx.de> Reviewed-by:
Rob Herring <robh@kernel.org> Signed-off-by:
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Sakari Ailus authored
CCS tools is a useful set of programs and libraries for working with CCS static data. Do mention that in context of the CCS driver. Signed-off-by:
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Laurent Pinchart authored
The streaming flag in the driver private structure is used for the sole purpose of gating register writes when setting a V4L2 control. This is better handled by checking if the sensor is powered up using the runtime PM API. Do so and drop the streaming flag. Signed-off-by:
Tommaso Merciai <tomm.merciai@gmail.com> Signed-off-by:
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Laurent Pinchart authored
The streaming flag in the driver private structure is used for the sole purpose of gating register writes when setting a V4L2 control. This is better handled by checking if the sensor is powered up using the runtime PM API. Do so and drop the streaming flag. Signed-off-by:
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