media: intel/ipu-bridge: fix rear camera rotation on Surface Pro 12 (Intel) - #175
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August 12, 2026 21:15
The OV13858 rear camera on the Surface Pro for Business 13in 12th Ed Intel is physically mounted with a 180-degree rotation, but its OVTID858 firmware metadata reports the normal orientation. As a result, ipu-bridge exports zero-degree sensor rotation and userspace displays the rear camera upside down. Add an OVTID858 entry for the tested Surface Pro 12 Intel DMI identity to the existing upside-down sensor quirk table. This only corrects the mounting metadata exposed to userspace. It does not rotate image data or alter sensor register programming. Tested on Surface Pro 12 Intel: the rear camera reports 180-degree rotation and is displayed upright, while the front camera remains at 0 degrees. Signed-off-by: Jan Baisch <jan.baisch@protonmail.com> Link: linux-surface#175 Patchset: cameras
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Summary
Fix the mounting rotation reported for the
OVTID858/ OV13858 rear camera on Surface Pro 12 Intel.On the tested Surface Pro for Business 13in 12th Ed Intel, the rear sensor is physically mounted with a 180° rotation, but its firmware metadata reports the normal orientation.
ipu-bridgetherefore exposes a rotation of 0° and userspace displays the camera upside down.Add the tested Surface Pro 12 Intel DMI identity and
OVTID858to the existing upside-down sensor quirk table. This corrects the mounting metadata only; it does not rotate image data or alter OV13858 register programming.Testing
Tested on Surface Pro 12 for BusinessIntel.
OVTID858/ OV13858 rotation: 180°The rear camera probes and streams successfully with the existing linux-surface OV13858 support.
Related work: #170 adds an equivalent
OVTID858rotation quirk for Surface Pro 9 and fixes handling of multiple sensor-rotation quirks for the same machine. This SP12 entry is independent of that parser change on the current Surface Pro 12 configuration.Related Surface Pro 12 enablement tracking: linux-surface/linux-surface#2144.
Related Surface Pro 12 camera work