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authorGeoffrey Van Landeghem <geoffrey.vl@gmail.com>2024-11-24 20:29:50 +0100
committerJacopo Mondi <jacopo.mondi@ideasonboard.com>2024-11-25 11:40:51 +0100
commit357dbc9f0e6d0e26f27553c2955cf580bc030394 (patch)
treed6867763ee9f86d92cc9af27b954ac6f472f3e5c /src
parentb45ff9ff3c00dd626db5d6e0fc06bcc9191e2854 (diff)
libcamera: libipa: camera_sensor_helper: add IMX290 black level
Report the default sensor black level reported by the datasheet. Note that IMX327 and IMX462 depend on the IMX290 CameraSensorHelper. That's fine since those sensors report the same defaults for the black level as the Sony IMX290. Signed-off-by: Geoffrey Van Landeghem <geoffrey.vl@gmail.com> Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Diffstat (limited to 'src')
-rw-r--r--src/ipa/libipa/camera_sensor_helper.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/ipa/libipa/camera_sensor_helper.cpp b/src/ipa/libipa/camera_sensor_helper.cpp
index f870dc28..a0a5437a 100644
--- a/src/ipa/libipa/camera_sensor_helper.cpp
+++ b/src/ipa/libipa/camera_sensor_helper.cpp
@@ -576,6 +576,8 @@ class CameraSensorHelperImx290 : public CameraSensorHelper
public:
CameraSensorHelperImx290()
{
+ /* From datasheet: 0xf0 at 12bits. */
+ blackLevel_ = 3840;
gainType_ = AnalogueGainExponential;
gainConstants_.exp = { 1.0, expGainDb(0.3) };
}