OMAP2430 RESET STANDBY GPIO can not set

Hi:
I am working on omap2430sdp for developing camera driver.But I found I can
not operate the GPIO: STANDBY and RESET pin when I pull it high or set it low?I am using kernel2.6.14 and dip S4-S10 setting like this:
S10
1 2 3 4
ON ON ON ON
S9
1 2 3 4 5 6 7 8
ON ON ON ON ON ON ON OFF
S8
1 2 3 4 5 6 7 8
ON ON ON ON ON ON ON OFF
S6
1 2 3 4 5 6 7 8
ON ON OFF OFF OFF OFF OFF ON
S4
1 2 3 4 5 6 7 8
OFF OFF OFF OFF ON ON OFF OFF

should I change the DIP state to enable the camera interface or somewhere in kernel need check?
any suggestion are welcome!

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