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[media] V4L: Add camera exposure metering control

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The V4L2_CID_EXPOSURE_METERING control allows to determine
a method used by the camera for measuring the amount of light
available for automatic exposure.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Sylwester Nawrocki 2012-04-30 04:34:10 -03:00 • committed by Mauro Carvalho Chehab
parent 7f84ad8bdb
commit cf072139c7
3 changed files with 46 additions and 0 deletions
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7
include/linux/videodev2.h
View file

@ -1733,6 +1733,13 @@ enum v4l2_iso_sensitivity_auto_type {
V4L2_ISO_SENSITIVITY_AUTO = 1,
};
#define V4L2_CID_EXPOSURE_METERING (V4L2_CID_CAMERA_CLASS_BASE+25)
enum v4l2_exposure_metering {
V4L2_EXPOSURE_METERING_AVERAGE = 0,
V4L2_EXPOSURE_METERING_CENTER_WEIGHTED = 1,
V4L2_EXPOSURE_METERING_SPOT = 2,
};
/* FM Modulator class control IDs */
#define V4L2_CID_FM_TX_CLASS_BASE (V4L2_CTRL_CLASS_FM_TX | 0x900)
#define V4L2_CID_FM_TX_CLASS (V4L2_CTRL_CLASS_FM_TX | 1)