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[media] gspca_pac7302: correct register documentation 

R,G,B balance registers are 0x01-0x03 instead of 0x02-0x04,
which lead to the wrong conclusion that values are inverted.
Exposure is controlled via page 3 registers and this is already documented.
Also fix a whitespace issue.

Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Frank Schäfer 2012-09-23 10:29:42 -03:00 committed by Mauro Carvalho Chehab
parent 2902fb7e0c
commit 6f9b33123c
1 changed files with 5 additions and 6 deletions
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11
drivers/media/usb/gspca/pac7302.c
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@ -29,14 +29,13 @@
* Register page 0:
*
* Address Description
* 0x02 Red balance control
* 0x03 Green balance control
* 0x04 Blue balance control
* Valus are inverted (0=max, 255=min).
* 0x01 Red balance control
* 0x02 Green balance control
* 0x03 Blue balance control
* The Windows driver uses a quadratic approach to map
* the settable values (0-200) on register values:
* min=0x80, default=0x40, max=0x20
* 0x0f-0x20 Colors, saturation and exposure control
* min=0x20, default=0x40, max=0x80
* 0x0f-0x20 Color and saturation control
* 0xa2-0xab Brightness, contrast and gamma control
* 0xb6 Sharpness control (bits 0-4)
*