1 = critical errors
2 = significant informations
3 = more verbose messages
- Level 3 is useful for testing only, when just one device
+ Level 3 is useful for testing only, when only one device
is used.
Default: 2
-------------------------------------------------------------------------------
It is possible to read and write both the SN9C10[12] and the image sensor
registers by using the "sysfs" filesystem interface.
-Every time a supported device is recognized, read-only files named "redblue"
-and "green" are created in the /sys/class/video4linux/videoX directory. You can
-set the red, blue and green channel's gain by writing the desired value to
-them. The value may range from 0 to 15 for each channel; this means that
-"redblue" accepts 8-bit values, where the low 4 bits are reserved for red and
-the others for blue.
+Every time a supported device is recognized, a read-only file named "green" is
+created in the /sys/class/video4linux/videoX directory. You can set the green
+channel's gain by writing the desired value to it. The value may range from 0
+to 15.
There are other four entries in the directory above for each registered camera:
"reg", "val", "i2c_reg" and "i2c_val". The first two files control the
Model Manufacturer
----- ------------
PAS106B PixArt Imaging Inc.
+PAS202BCB PixArt Imaging Inc.
TAS5110C1B Taiwan Advanced Sensor Corporation
TAS5130D1B Taiwan Advanced Sensor Corporation
(documentation is included there). As an example, have a look at the code in
"sn9c102_pas106b.c", which uses the mentioned interface.
-At the moment, not yet supported image sensors are: PAS202B (VGA),
-HV7131[D|E1] (VGA), MI03 (VGA), OV7620 (VGA).
+At the moment, not yet supported image sensors are: HV7131[D|E1] (VGA),
+MI03 (VGA), OV7620 (VGA).
10. Note for V4L2 developers
- Stefano Mozzi, who donated 45 EU;
- Luca Capello for the donation of a webcam;
-- Mizuno Takafumi for the donation of a webcam.
+- Mizuno Takafumi for the donation of a webcam;
+- Carlos Eduardo Medaglia Dyonisio, who added the support for the PAS202BCB
+ image sensor.