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Clean up ignoring data nodes in mipi-disco-img.c: use { } initialiser, fix
a kernel-doc warning and use isdigit().
Fixes: 5bd4edbbf920 ("ACPI: property: Ignore bad graph port nodes on Dell XPS 9315")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Some systems were shipped with both Windows and Linux camera descriptions.
In general, if Linux description exist, they will be used and Windows
description ignored.
In this case the Linux descriptions were buggy so use Windows definition
instead. This patch ignores the bad graph port nodes on Dell XPS 9315 and
there are likely other such systems, too. The corresponding information
has been added to ipu-bridge to cover the missing bits.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The recently merged DisCo for Imaging support used a wrong printk
specifier in printing a message. Fix it by using %zu instead of %lu.
Also use "bits" instead of "bytes" as these are indeed bytes.
Fixes: a6cb0a611273 ("ACPI: scan: Extract MIPI DisCo for Imaging data into swnodes")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
MIPI DisCo for Imaging defines properties for camera sensors that
functionally align with DT equivalents.
Replicate these properties in the ACPI device swnodes so the code
using the corresponding DT properties already does not need to be
updated to deal with their MIPI counterparts directly.
The replicated properties are:
"mipi-img-clock-frequency" -> "clock-frequency"
"mipi-img-led-max-current" -> "led-max-microamp"
"mipi-img-flash-max-current" -> "flash-max-microamp"
"mipi-img-flash-max-timeout" -> "flash-max-timeout-us"
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
[ rjw: Changelog edits, removal of redundant braces ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Find the "rotation" property value for devices with _CRS CSI-2 resource
descriptors and use it to add the "rotation" property to the software
nodes representing the CSI-2 connection graph. That value typically
comes from the _PLD (Physical Location of Device) object if it is
present for the given device.
This way, camera sensor drivers that know the "rotation" property do not
need to care about _PLD on systems using ACPI.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
[ rjw: Changelog edits, file rename ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Add information extracted from the MIPI DisCo for Imaging device
properties to software nodes created during the CSI-2 connection graph
discovery.
Link: https://www.mipi.org/specifications/mipi-disco-imaging
Co-developed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Use the connection information extracted from the _CRS CSI-2 resource
descriptors for all devices that have them to populate port names and the
"reg", "bus-type" and "remote-endpoint" properties in the software nodes
representing the CSI-2 connection graph.
Link: https://uefi.org/specs/ACPI/6.5/06_Device_Configuration.html#camera-serial-interface-csi-2-connection-resource-descriptor
Co-developed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Find ACPI CSI-2 resource descriptors defined since ACPI 6.4 (for
CSI-2 and camera configuration) in _CRS for all device objects in
the given scope of the ACPI namespace that have them, identify the
corresponding "remote endpoint" device objects for them and
allocate memory for software nodes needed to create a DT-like data
structure representing the CSI-2 connection graph for drivers.
The code needed to populate these software nodes will be added by
subsequent change sets.
Link: https://uefi.org/specs/ACPI/6.5/06_Device_Configuration.html#camera-serial-interface-csi-2-connection-resource-descriptor
Co-developed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Sakari Ailus <sakari.ailus@linux.intel.com>
