I think there maybe some different versions of the chip. Whenever I get a webcam with a pac207, it has the problem described here: http://ubuntuforums.org/archive/index.php/t-1553690.html 2011/6/4 Hans de Goede <hdegoede@xxxxxxxxxx>: > Hi, > > Interesting. I'll go and test this with my 6 or so pac207 cameras, > but first I need to wait till this evening as atm it is too > light to test high exposure settings :) > > Regards, > > Hans > > > On 06/04/2011 09:38 AM, Marco Diego Aurélio Mesquita wrote: >> >> The inline patch increases maximum exposure value from 26 to 255. It >> has been tested and works well. Without the patch the captured image >> is too dark and can't be improved too much. >> >> Please CC answers as I'm not subscribed to the list. >> >> >> Signed-off-by: Marco Diego Aurélio Mesquita<marcodiegomesquita@xxxxxxxxx> >> --- >> drivers/media/video/gspca/pac207.c | 2 +- >> 1 files changed, 1 insertions(+), 1 deletions(-) >> >> diff --git a/drivers/media/video/gspca/pac207.c >> b/drivers/media/video/gspca/pac207.c >> index 892b454..6a2fb26 100644 >> --- a/drivers/media/video/gspca/pac207.c >> +++ b/drivers/media/video/gspca/pac207.c >> @@ -39,7 +39,7 @@ MODULE_LICENSE("GPL"); >> #define PAC207_BRIGHTNESS_DEFAULT 46 >> >> #define PAC207_EXPOSURE_MIN 3 >> -#define PAC207_EXPOSURE_MAX 26 >> +#define PAC207_EXPOSURE_MAX 255 >> #define PAC207_EXPOSURE_DEFAULT 5 /* power on default: 3 */ >> #define PAC207_EXPOSURE_KNEE 8 /* 4 = 30 fps, 11 = 8, 15 = 6 */ >> > -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
